MASTERYS. Product technical specifications. MASTERYS UPS from 8 90 kva. Uninterruptible Power Supply Systems

Transcription

1 Uninterruptible Power Supply Systems Product technical specifications UPS from 8 90 kva The MC 8-90 kva series is certified by TÜV SÜD with regard to product safety (EN ) TBKMASXX0800-GB_01.doc

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3 CONTENTS 1. Purpose Architecture Range Total protection, quality power supply and maximum reliability Flexibility Power ratings from 8 to 90 kva One range, 4 models Single/single, three/single and three/three Flexible back-up time Horizontal and vertical parallel High availability Redundant ups and redundant distribution External synchronization (ACS) Static transfer systems Redundant batteries (dual battery) Expert battery system Energy saver for parallel units Communication capacity Multilevel communication Embedded LAN T-Service Graphic LCD with ideograms System concentrator: (ICM2) Technology VFI: Voltage Frequency Independent Description of the functional blocks Modes of operation Operating modes and conditions Six-pack IGBT rectifier with pfc Always - On Mode Advantages of low distortion Innovative cooling system Options HW accessories and options SW accessories and options Installation and protection requirements Technical data tables Selectivity in low voltage systems Single line block diagram Reference standards and directives...66 Specifications are subject to change without notice. Contact your nearest SOCOMEC UPS sales office for latest specifications. Copyright SOCOMEC UPS 3

4 1. Purpose The aim of this document is to provide: The information for the choice and sizing of the uninterruptible power system. The information required to prepare the system and the installation premises The document is intended for: 1. Installation engineers 2. Design engineers 3. Engineering firms 4

5 2. Architecture 2.1 Range is a very wide range of high-performance UPSs designed to protect critical and sensitive equipment in mission critical applications in the IT, telecom and industrial sectors, such as enterprise servers, storage systems, networking apparatus, telecommunications systems, diagnostic/ medical equipment and industrial processes. It is developed in models (BC, MC, EB, IP) with power ratings from 8 to 90kVA covering all possible electrical configurations: single-phase/single-phase, three-phase/single-phase and three-phase/threephase. Power (kva) BC Business Critical 1/1 & 3/ BC Business Critical 3/ BC Business Critical MC Mission Critical 3/ MC Mission Critical EB E-Business 15x EB E-Business 30x 2x15 3x15 2x30 3x30 IP Industrial Process 3/ IP Industrial Process Matrix table by family and kva power rating Each family has been specifically designed to satisfy requirements in particular application environments so as to optimize the product s characteristics and to facilitate its integration in the system. 2.2 Total protection, quality power supply and maximum reliability The protection offered is global and intelligent, and thus covers both the hardware and the data which together make up the so-called mission critical application or service. has been developed to provide the highest level of availability, with: extremely accurate control of output voltage and frequency, with immediate switching from and to the battery power supply. Thanks to on-line double conversion technology (VFI), the maximum level of performance envisaged can be obtained, that is, VFI-SS-111 as defined by European standard EN sinusoidal absorption, and therefore no current harmonics reflected on the mains power supply upstream of the UPS, which translates into savings in electrical energy and installation costs. Thanks to the six-pack IGBT rectifier with PFC (Power Factor Correction), which ensures that current distortion (THDi) < 3% is obtained, and PF>0.99. Energy savings can be as much as 20% and full compatibility is ensured in the event of use in combination with a generator, without having to oversize the generator. 5

6 an emergency power supply from battery to be able to continue working during power cuts or to save data and automatically shut down the system if necessary. The back-up times can be configured for up to several hours but what makes this product unique is the way in which it draws energy from the batteries with two separate, independent strings, introducing for the very first time on the market the stand alone UPS with redundant batteries. an emergency power supply GSS coordinated with Generator in order to optimize both functionality and sizing, avoiding over sizing and the relative extra costs in investment and energy consumption. provides coordinated management with a GE to control the energy resource external to the UPS through the exchange of status, alarm and control signals, fully integrating the two sources. The redundant configuration N+X to guarantee very high availability ( %) and a NO single point of failure solution. The application is supported through the principle of load sharing between the various UPSs of the system in the configuration with distributed by-pass. All the UPSs in the range can be placed in parallel with digital control, from 2 to 6 units depending on the family. The system s control technology is widely consolidated (floating master) and performance has been improved with the use of DSP, which allows faster information exchanges and a view of the plant on the LCD panel of each unit working as concentrator display. a modular UPS solution that is easily expanded according to the concept of power on demand following the typical expansion and redesign needs of an IT system In addition to the traditional parallel configuration of single units, is also available in a threephase modular model with all the prerogatives of expansion and maintenance made faster and simpler. The modular models form part of the EB family and are developed on the basis of the actual three/three 15 and 30kVA modules. an intelligent power supply that can manage time segments and application segments differently depending on the level of differential protection, up to 3, and on energy saving. In addition to the absolute guarantee of continuous power, also offers the opportunity to select, and therefore customize, operating and priority modes on the various applications of the system. The following modes in particular can be selected: OnLine, Eco Mode and Always On Mode in combination with the power share output. A high communication and interfacing capability, up to 5 simultaneous levels for remote diagnostics, automatic shutdown, programming and administration of the UPS. is supplied as standard with the RS232/485 serial interface and with two slots for optional communication boards for each application (Relays, system inputs, Gen Set, NetVision). The MC, EB and IP models are also supplied as standard with a further RS232 for modem connection and a LAN network RJ45 port for the easy integration of the UPS into an Ethernet network, which is now a standard feature in all operating environments. 6

7 3. Flexibility 3.1 Power ratings from 8 to 90 kva The entire range is developed (4 models with 33 basic products) on 4 cabinets, 3 of which have the same floor size. The possibility of modulating the power and back-up time of the UPS is therefore translated into cabinet height: 800 mm; 1000 mm; 1400 mm; where, thanks to the compact electronics, internal back-up times can be increased up to 30 minutes on the 30kVA and internal back-up time on the 40kVA S M T Front view Type of cabinet Width (W) Depth (D) Height (H) S 444mm 795mm 800mm (H1) M 444mm 795mm 1000mm (H2) T 444mm 795mm 1400mm (H3) The equipment has been designed to take up the least possible space, whether direct or indirect (direct space means the floor surface taken up / indirect space means all the space required for maintenance, ventilation and access to the parts for handling and communication). 7

8 The external battery cabinets are produced with the same dimensions as the model EB. Access for handling and communication interfaces Front view Type of cabinet Width (W) Depth (D) Height (H) W 600mm 795mm 1400mm (H5) Special care has also been taken to ensure that the unit is easily accessible for maintenance and installation purposes: all the handling components and the communication interfaces are located in the upper front part and are accessible by opening the first panel, which has a distinctive red profile (with the exception of the IP version, which has a single metal door); air for cooling is only taken in at the front, while it is discharged only at the back; this is so it can be positioned alongside other equipment or external battery cabinets if these are present. 8

9 3.2 One range, 4 models BC (11 products) Simplicity of installation and use Low distortion sinusoidal absorption Internal back-up time up to 95 minutes on 8kVA and 45 minutes on 20kVA Single-phase or three-phase universal mains input for 8 and 10kVA models Can be installed in 19 cabinets MC (10 products) Very low distortion sinusoidal absorption (THDi<3%) Maximum battery reliability (2 redundant branches) Parallelability up to 6 units Graphic display with icons and ideograms LAN connection standard EB (4 products) Modular system up to 3 three/three modules, 15 or 30kVA (max 90kVA) Very low distortion sinusoidal absorption (THDi<3%) Maximum battery reliability (2 redundant branches) System graphic display with icons and ideograms LAN connection standard with view of system IP (8 products) Galvanic isolation of the output Very low distortion sinusoidal absorption (THDi<3%) Cabinet with metal door for better mechanical resistance Graphic display with icons and ideograms Relay signalling contacts standard The model is therefore chosen according to its application. Other models or greater back-up times can still be selected even in the plant engineering phase without having to change the system specifications, at least from the physical point of view. Flexibility is also offered in the I/O electrical configurations. 9

10 3.3 Single/single, three/single and three/three. As mentioned in the point above, the range covers all possible I/O electrical configurations: - INPUT: single-phase or three-phase (also combi*) - OUTPUT: single-phase or three-phase - BY-PASS: separate by-pass is standard on the three/single and optional on the others. - Galvanic isolation *Since the 8 and 10kVA input models are the most subject to plant engineering disturbances or instabilities, they are provided with an input known as combi, that is, both single-phase and three-phase. The type of connection can be selected at the time of installation by means of the jumpers in the terminal board. The product is easily identified as the catalogue code is self-explanatory and contains information on the voltage and power ratings as shown in the figure below. MAS2MMVPPC+Bn.. MM model (BC, MC, EB, IP) V output voltage 1=single-phase, 3=three-phase PP power in kva C type of cabinet (S,M,T,W) +Bn definition of batteries 10

11 3.4 Flexible back-up time Different levels of back-up extension can be achieved by using the standard UPS cabinet or a higher cabinet, while always keeping the same compact footprint. For power ratings >=40kVA, or significant back-up times on significant power ratings, the use of batteries in an additional cabinet is envisaged and, if necessary, an additional battery charger. Table of BACK-UP TIMES in minutes (75% of the 0.7p.f.) S M T W BC 8 16/25 45/60 95 BC 10 12/20 30/45 65 BC 12 12/16 25/35 55 BC /25 45/65 BC 20 10/18 30/45 BC /28 Up to 90 BC Up to 60 MC /45 75/110 MC /25 45/65 Up to 300 MC 20 10/18 30/45 Up to 200 MC /28 Up to 130 MC Up to 90 MC 60 Up to 130* MC 80 Up to 85* IP Up to 500 IP Up to 300 IP 20 6 Up to 200 IP 30 4 Up to 130 IP 40 / Up to 90 * Specific additional battery cabinet W=1000mm H=1800mm D=800 The back-up time definition is very flexible since a wide range of battery voltage can be accepted. The batteries are arranged internally in shelves optimized for the size of the batteries to keep overall size to a minimum while providing significant back-up times. The batteries inside the UPS are arranged in 2 separate strings made of battery units connected in series; each individual unit is connected via polarized connectors, which facilitates battery configuration and maintenance operations. Each unit has a container (acid proof) specifically designed to prevent problems in the event of acid leaking from a battery Adaptability The models up to 40kVA have the proper sise to be inserting in standard 19 cabinets; this provides with great flexibility of size and enabling it to be integrated in a wide range of IT environments. Attention should be paid to weight and to heat dissipation which could become restraints to be verify with the customer or installation engineer.- 11

12 3.6 Horizontal and vertical parallel is the only UPS on the market to offer 3 UPS configurations in the same range: Single UPS (stand alone) Parallel UPS (Horizontal parallel) Modular UPS (Vertical parallel) For a wide choice of solutions according to the current and future needs of the application and to scalability, which has become an essential feature when investing in a professional uninterruptible power system. Single UPS This is the so-called stand alone configuration, which is the most common. All models are available in stand alone configuration and all the stand alones can, in a subsequent phase, be inserted in a horizontal parallel system by means of a specific parallel kit and the addition of a second or more UPSs of the same size, usually for growing power expansion needs required by the applications. Conversion from a single unit to parallel configuration requires technical intervention to install the parallel kit and to adjust the electrical installation. Parallel UPS This is implemented with multiple units of the same power and distributed by-pass, the aim being to have from the start a redundant system N+X Operation is based on the principle of load sharing for uniform distribution of the load between the UPSs in parallel. A minimum of 2* to a maximum of 6 units can be placed in parallel. Units can always be installed progressively (up to the maximum allowed) and the electrical installation adjusted accordingly. * BC model max 2 units Modular UPS This configuration, besides offering the advantage of parallelability (and therefore scalability or redundancy), also provides a number of further benefits, such as: simplicity of expansion of the system just by adding a module rapidity of risk-free maintenance thanks to the possibility of single module. Hot swap replacement (without risks for the application) compactness of the system The modular models form part of the EB family and are developed on the basis of three/three 15 and 30kVA modules Power expansion does not require adjustments to the electrical installation which has already been correctly sized. To ensure maximum system reliability in any parallel configuration (either Horizontal or Vertical) the parallel logic is of the master/ slave type with floating master: in concrete, synchronization between the units or modules is managed by the UPS MASTER. In the event of a failure, it disconnects automatically from the power circuit (selective disconnection) and control is passed to another UPS. If the power supplied by the remaining UPS units is not sufficient to power the load, these will be transferred to the mains (by-pass) automatically and without any interruption. 12

13 4. High availability The architecture of has been designed to provide optimum reliability, durability over time and redundancy. It provides an absolute guarantee of uninterrupted power for the applications (high availability) without neglecting aspects of energy savings and saving on the investment. Electrical availability expressed as a % is the probability with which the uninterruptible power system is able to supply a safe and quality power supply to the protected applications. In order to obtain high availability, equipment that is highly reliable must be used, on which rapid maintenance interventions can be carried out whenever necessary. The formula used to calculate the availability value is based on two known parameters: - MTBF (mean time between failure) - MTTR (mean time to repair) AVAILABILITY % = (1- MTTR / MTBF) x 100 The required electrical availability must be evaluated on the basis of the criticality of the application and the functional and economic consequences of a stoppage of the equipment. The parameters of the formula have to be adjusted in order to obtain very high levels of availability, that is % : By increasing the MTBF and choosing a reliable UPS in a fault tolerant configuration; that is, one that can accept any kind of failure without compromising the power supply to the applications until it is fully restored. By reducing the MTTR by means of diagnostic systems in real time that can rapidly identify the faulty component and carry out preventive maintenance. Fault tolerance is achieved by means of a redundant architecture, that is, a configuration with parallel components. Redundancy for an uninterruptible power supply can be provided on 3 different levels: redundancy of the source to ensure availability even during extended mains power failures; redundancy of the UPS to ensure full protection even in the event of a failure and during the recovery phase; redundancy of distribution by means of Static Transfer Systems which provide protected branching of the power supply downstream of the uninterruptible power supply lines. As described in the following chapters, can satisfy all the availability requirements for all the above-mentioned levels. The following data on the MTBF, MTTR and AVAILABILITY of are provided as reference: UPS configuration STAND ALONE With static bypass REDUNDANT N+1 REDUNDANT N+1 with STS distribution MTBF 350,000 hours 1,200,000 hours Maximum availability MTTR 8 hours 8 hours level AVAILABILITY % % % Batteries excluded and with preventive maintenance carried out 13

14 4.1 Redundant ups and redundant distribution As described in full in the chapter on parallel configurations, the architecture of has been designed to satisfy all requirements of safety, availability and future development of the load. The various configurations can be factory preset in the initial phase or subsequently implemented following the development of the system. The modular parallel configuration is put to best use in the e-business version where, for a contained initial investment, the UPS can at any time be configured in N+1 redundancy or the installed power be increased by adding a UPS module with the advantage of keeping both the electrical installation and the footprint unchanged. REDUNDANCY SCALABILITY After reaching the desired level of redundancy for the UPS or for requirements of reconditioning an existing system, redundancy of distribution can be created by combining in Static Transfer System (STS) solutions. is preset to work in perfect synchronism with STS systems thanks to the ACS option described below. STS systems can be installed at various distribution levels, preferably in greater numbers for each section of the system. 14

15 4.2 External synchronization (ACS) The optional ACS (Automatic Cross Synchronization) function enables the use of combined with an STS to keep the output in sync with an alternative power source or with another independent UPS. This enables, for example, the synchronization of two independent UPSs if no reference source (emergency mains) is present. The ACS function ensures each UPS operation without criticalities and enables the synchronous transfer of the Static Transfer Systems (MTC and IT SWITCH) installed downstream, even during periods of mains power failure (operation from battery). This functionality requires the installation (factory configured or subsequently installed by qualified personnel) of an electronic board which is needed to read an external power supply source and to process the sync signals subsequently managed by the DSP. 4.3 Static transfer systems The Static Transfer Systems (STS) allow implementation of a system with dual power supply to provide high availability for critical loads by combining different sources (e.g. centralized UPS and distributed UPS). Powered from two independent and synchronous sources, the Static Transfer Systems (MTC and IT SWITCH) are autonomous and completely automatic. They ensure the safety of the power supply by monitoring the characteristic parameters of the two sources and implementing immediate transfer without causing disturbances to the powered applications. The distributed redundancy solution implemented with MTC and IT SWITCH guarantees optimal protection against: Human errors and failures in the distribution of electrical energy (triggering of protection devices upstream) Disturbances caused by other equipment powered from the same source Load 1 Load 2 Load 3 15

16 4.4 Redundant batteries (dual battery) The topology used to implement the DC/DC converter in models MC, EB and IP is state of the art; this innovative technology draws energy from two separate and independent strings of batteries whenever the mains power supply fails. Unlike the traditional configuration with a single string of batteries and with the central point connected to neutral, the batteries of are arranged in two equivalent but totally separate strings. Traditional UPS Technology The failure of one battery string (e.g. due to a single faulty battery) does not compromise operation of the equipment since the batteries of the efficient string can ensure back-up time to the load though for less time. This concept is put to best use in the configuration of equipment in parallel, each using the dual battery solution. technology applied to EB model In this configuration the failure of a battery string, besides not compromising the operation of the whole system, also gives the benefit of not completely reducing the back-up time capacity of the UPS affected by the failure. 16

17 4.5 Expert battery system The concept of battery redundancy associated with Expert Battery System technology increases the overall level of equipment reliability. Thanks to the information processed in real time regarding the status and conditions of use of the battery, the recharge or discharge modes are selected automatically to safeguard the life of the battery, while offering maximum performance. The whole range is equipped with the Expert Battery System; the advanced management is obtained through the presence of the DSP processors that provide the intelligence needed for the following functionalities: Appropriate recharge mode: the battery charger in automatic mode selects the most suitable recharge method according to the temperature, ranging from back-up recharge to intermittent recharge in order to limit corrosive phenomena and to obtain a significant increase in battery life. Battery recharge dependent on the temperature: a required element prescribed by manufacturers of accumulators to extend battery life, especially in applications subject to thermal variations in the premises of installation. Management of different types of batteries: possibility of selecting the recharge of sealed, open vase and nickel cadmium batteries. Displays: indication on the display of all the battery parameters; real back-up time remaining, charge level, voltage, current and temperature of the battery compartment. Periodic battery test: programmable periodic check by means of an automatic test on the single string with the result shown on the display Protection against deep discharge or prolonged recharge: protection against two phenomena that contribute to battery ageing. Battery charger with reduced ripple: very low level of ripple (AC component that can harm batteries) so that the batteries can be used up to the maximum of the average life guaranteed by the manufacturer. Battery recharge dependent on the temperature FLOATING INTERMITTENT Self discharge Charger Off Battery Voltage Rechaging current I1 I V/el T on Umax Umin Time T off Time Voltage Current Threshold temperature 17

18 4.6 Energy saver for parallel units The series offers the ENERGY SAVER; this is a new functionality introduced in parallel configurations (both vertical and horizontal) to guarantee the global availability of the system and to reduce energy consumption at the same time. It is well-known that it is necessary to oversize the UPS or the N+1 redundancy in order to increase the availability of uninterrupted power, but this increases energy consumption. Indeed, actual use of the system well below the nominal power results in less than optimal efficiency. ENERGY SAVER mode, which is only offered on the market by, overcomes the abovementioned limitations and always keeps efficiency at maximum level. The functionality is activated automatically in configurations with more than two units in parallel. High speed digital control is used to keep in operation only those units needed to guarantee the absorption required by the load at any given time. Redundancy of operation is still ensured, while improving the overall efficiency of the whole system at the same time. Any increase in load absorption or the faulty operation of a unit causes the immediate intervention of the units required for the correct supply with ZERO response time. Load sharing Load sharing + Energy Saver 18

19 5. Communication capacity 5.1 Multilevel communication can manage various communication channels at the same time, whether serial, contact or Ethernet: The various boards and signalling accessories are housed in the 2 built-in communication slots that are standard on all models. This gives interfacing and integration flexibility also after installation, even for hot swap replacement, and without requiring the intervention of specialized personnel. The table indicates the communication resources available according to family and model RS232/485 Slot 1 Slot 2 2 nd RS232 RJ45 10base T BC X X X MC X X X X X EB X X X X X IP X X X X X Communication type 9600 baud Jbus/Modbusprot ocol Depends on card installed Depends on card installed 9600 baud Jbus/Modbus protocol TCP/IP /SNMP protocol Remote panel ADC ADC Modem**** LAN Ethernet UniVision GSS** GSS** BMS* BMS* NetVision*** NetVision*** SMS via GSM SW for tech. support *Building Management System ** only available on models MC, EB, IP *** Ethernet adaptor with 10/100Mb Web/SNMP functionality (necessary for T-service via Web) **** for T-service via telephone network Since each channel is independent, simultaneous connections can be made to satisfy various levels of signalling and remote monitoring. See the options section for a detailed assessment of the functionality of the cards that can be installed in the slots. 3 levels of communication for: BC 5 levels of communication for: MC EB IP 19

20 5.2 Embedded LAN Data centres, and IT system administrators in general, are constantly on the look-out for more intelligent and simpler working methods to enable active, integrated management of peripherals. It is precisely in this regard that the UPS has evolved and, born in the "net generation is already able to connect to the LAN network thanks to the Ethernet RJ45 port embedded in the UPS, a feature that is unique on the market. The widespread use of LAN Ethernet networks, in both networking and industrial environments, simplifies connections and makes the high speed exchange of information particularly reliable. The main functions are listed below: 10Mb Ethernet connection (RJ45) Supervision via web browser Operation statistics Notification of faults via and SMS (GSM) Diagnostics via modem (optional) with the T-Service Web page If the UPS is connected to a LAN network via a simple mains cable, UPS operation can be monitored from any PC in the same network by means of an html page. The active connection icon will be shown on the UPS graphic display An IP address is assigned to the UPS for access via the browser, which is protected by a login and a password. The main web page shows the general UPS state graphically and dynamically. Certain icons and menus allow fast access to information: diagnostics (alarms) electrical measurements, statistical analyses on the battery, energy absorption, use of the GE and environmental parameters commands to the UPS UPS settings language setting: (IT, GB, FR, ES, DE) network parameters change of password enabling JBUS via LAN tunnelling configuration of electronic mail (mail server address, account addressee) SW update (web browser) synchronization of UPS clock with network clock SMS message setting configuration of modem (motive, NR, modem strings) 20

21 5.3 T-Service This is a technologically advanced monitoring service to resolve all kinds of unexpected events in real time, thus providing a 24 x 7 service. The aim of the service is not only to rapidly resolve problems but also to prevent critical states for the application. The service establishes automatic and continuous communication between the UPS and the Service centre, at predefined time intervals and also whenever a fault occurs. Each emergency situation is managed and resolved with the utmost speed, directly and remotely by the Service centre, or, if necessary, by immediate action on site by the area technician. The following types of connection between the UPS and the local service centre can be selected: - via Internet by means of NetVision (via the network mail server) - via fixed line telephone network or GSM via a suitable modem The continuous power supply comes with an autodiagnostics system which can identify any faults by analyzing UPS operation and the electrical or environmental conditions of the power supply such as temperature, overload, etc, ensuring there is no risk of the equipment stopping. The UPS autodiagnostics procedures ensure the continuous and automatic control of the operating conditions. In the event of a fault, the system will promptly send a diagnostic report via or modem connection directly to the service centre. Base drawing On receiving the report via the internet or the telephone network, the technical personnel of the local Service centre will be able to identify the defective component and organize a fast solution to the problem to return the UPS to conditions of full functionality. 21

22 The real time diagnostics system has the following features, depending on whether it is effected via internet or by telephone line: Internet Interconnection via RJ45 outlet to the LAN network at the installation site Telephone network Interconnection via modem to a dedicated telephone outlet at the installation site presetting for outgoing communication only, to exclude any undesired access by the client to the LAN network Immediate sending of a diagnostic to the service centre in the event of a fault and notification to the client via automatic when the remote diagnostics service is started detailed reports on UPS faults with advice from the Service centre technicians. periodic report on the management of electrical energy and of the UPS via to the customer * the use of a an approved modem is recommended two-way communication so that the service centre can remotely evaluate solutions for the fault or understand the nature of the fault in detail. Immediate sending by telephone* of a diagnostic report to the service centre in the event of a fault and notification to the client via automatic when the remote diagnostics service is started detailed reports on UPS faults with advice from the Service centre technicians. periodic report on the management of electrical energy and of the UPS via to the customer The advantages of the service in brief: Peace of mind: round the clock monitoring of the. Access to the status of your installation: reports inform the user about the parameters and modifications with comments from our specialists. Fast, effective action: if a problem arises, alerts the T-Service station for immediate action. Technical assistance via telephone for the following operations : UPS shutdown, load transfers, switching-off, etc. Advice from specialists: to adapt your high quality energy installation to site evolutions. Manufacturer know-how: the experience of specialists, who monitor your system with the required know-how. 22

23 5.4 Graphic LCD with ideograms The range offers 2 levels of user interface with LCD: one alphanumeric and one of the advanced graphics type. The table below shows the LCD accessories per family Models Alphanumeric LCD Graphic LCD BC X MC X EB X IP X D1: Alphanumeric display Lx: Energy path LEDs BL: Luminous status bar. D1 P1: ESC button P2: UP button P3: DOWN button P4: ENTER/OK button Lx P2 P1 P3 P4 BL With regard to communication capacity, the LCD panel is an essential component for a simple, advanced and immediate user interface. D1: Display with ideograms D2: Text and graphic display BL: Luminous status bar. P1: ESC button P2: UP button P3: DOWN button P4: ENTER/OK button D1 D2 P2 P3 P4 P1 BL 23

24 The figure below shows the organization of the various menus in the display mimic panel. 1 ALARMS 2 MEASUREMENTS 3 COMMANDS 4 PARAMETERS 5 SERVICE Data for installation Configuration Service codes Parameters Production data Immediate commands Extended commands Instant measurements Statistical measurements Active alarms Event history log 24

25 ALARMS MENU Active alarms The alarms section provides an immediate indication of the alarms that are present, with a brief description of the kind of fault and the functional block in which it has occurred: Table of alarms Alarm indication Meaning of alarm BC MC GENERAL ALARM GENERAL ALARM Indicates global presence of alarms BATTERY ALARM BATTERY ALARM Battery circuit failure or faulty operation OUT OVERLOAD OVERLOAD IN OUTPUT Output power over the limit VAUX OUT OF TOL BYPASS MAINS OUT OF TOLERANCE Auxiliary mains over the limit OVER TEMPERATURE OVER THE TEMPERATURE LIMIT Overtemperature or ventilation problems MAINTEN. BYPASS MANUAL BY-PASS ACTIVATED Manual bypass operation executed IMPROPER USE IMPROPER CONDITIONS OF Indicates potential problems due to use in abnormal USE conditions such as: mains power supply, load, temperature. OVERLOAD OFF INV INVERTER BLOCK DUE TO Indicates that the inverter has been shut down due to a OVERLOAD permanent excessive overload. WRONG CONFIG. WRONG CONFIGURATION Incorrect configuration parameters MAINS OUT OF TOL INPUT MAINS OUT OF Input mains over the limit that determines operation from the TOLERANCE battery. RECTIFIER ALARM GENERAL ALARM RECTIFIER Indicates an alarm in the relative section INVERTER ALARM GENERAL ALARM INVERTER Indicates an alarm in the relative section BATT CHARGER ALM GENERAL ALARM BATTERY CHARGER Indicates an alarm in the relative section BYPASS ALARM GENERAL ALARM BY-PASS Indicates an alarm in the relative section OVERLOAD STOP BLOCK DUE TO OVERLOAD Indicates that the output has been shut down due to a permanent overload of such an extent that the automatic bypass stage is also shut down for protection GENERAL ALARM MODULE 1 Module 1 of the parallel configuration in alarm GENERAL ALARM MODULE 2 Module 2 of the parallel configuration in alarm GENERAL ALARM MODULE 3 Module 3 of the parallel configuration in alarm GENERAL ALARM MODULE 4 Module 4 of the parallel configuration in alarm GENERAL ALARM MODULE 5 Module 5 of the parallel configuration in alarm GENERAL ALARM MODULE 6 Module 6 of the parallel configuration in alarm EXTERNAL ALARM 1 EXTERNAL ALARM 1 Specific indication from external systems via ADC interface card EXTERNAL ALARM 2 EXTERNAL ALARM 2 Specific indication from external systems via ADC interface card EXTERNAL ALARM 3 EXTERNAL ALARM 3 Specific indication from external systems via ADC interface card EXTERNAL ALARM 4 EXTERNAL ALARM 4 Specific indication from external systems via ADC interface card T-SERVICE ALARM T-SERVICE ALARM Advanced indication determining activation of the T-Service, if enabled, directly to the support centre via the Internet or telephone line. REDUNDANCY LOST LOSS OF REDUNDANCY The power required by the load is such that operation with the set degree of redundancy is no longer possible. SERVICE CHECK PERIODIC CHECK Preventive indication suggesting a periodic check by the support service BATT. DISCHARGED BATTERY FLAT The energy available in the battery has run down OPT BOARD ALM OPTIONAL CARD GENERAL ALARM Problems relating to the optional cards GENERATOR GENERAL ALARM Indication of a general alarm from the generator if this is appropriately interfaced with the UPS via GSS interface. GENERATOR FAULT Indication of a major alarm from the generator. ESD ACTIVATED ESD ACTIVATED The remote emergency shutdown command has been activated via the ADC interface BAT. CIRC. OPEN BATTERY CIRCUIT OPEN Indicates the opening of the internal battery disconnector and resulting no connection with the batteries 25

26 History log All the events (up to 1000) that are stored in a circular buffer can be displayed in the history log section. The history log contains all the alarm conditions, operating status changes and the commands executed by the system with the relative time reference (date-time). This information can be used at any time to check and determine the past behaviour of the UPS. MEASUREMENTS MENU Instant measurements Data updated in real time on the electrical values of input, output, battery and operating temperature can be accessed from the measurements menu: OUTPUT OUTPUT VOLTAGE (PH-N)* V CHAINED OUTPUT VOLTAGE V LOAD IN OUTPUT* % CURRENT IN OUTPUT* A OUTPUT FREQUENCY Hz TOTAL ACTIVE OUTPUT POWER KW APPARENT OUTPUT POWER KVA AUXILIARY MAINS AUXILIARY MAINS VOLTAGE* AUXILIARY MAINS FREQUENCY INPUT INPUT MAINS VOLTAGE* INPUT MAINS VOLTAGE (PH-PH) INPUT MAINS FREQUENCY APPARENT INPUT POWER V Hz V V Hz KVA BATTERY BATTERY VOLTAGE V BATTERY CAPACITY % ENVIRONMENT INTERNAL TEMPERATURE C (*)Value for each individual phase A more complete evaluation on procedures of use and operation of the system in terms of load performance, the quality of the main and auxiliary power supply voltage and environmental conditions can be found in the section on STATISTICS. 26

27 Statistical Measurements Once a (programmable) reference period has been defined, sampling and analysis time intervals are obtained where the performance of certain characteristic values is processed and made available in digital or graphical format until the next update. The values that are represented graphically can be used to analyse the situation over the last 24 hours; this information, together with that of the programmed interval, provides an enhanced evaluation on the mode of use of the equipment so that it can be verified whether certain critical operating situations are repetitive, stable over time or casual. Apparent input power VALUE STATISTICS INFORMATION GRAPHICS Back-up times less than 2 minutes Back-up times between 2 and 5 minutes Back-up times over 5 minutes MIN, AVERAGE, MAX NUMBER OF EVENTS NUMBER OF EVENTS NUMBER OF EVENTS INFORMATION ON ENERGY CONSUMPTION QUALITY OF THE MAINS POWER SUPPLY Operating time from GE NUMBER OF MINUTES Load in output MIN, AVERAGE, MAX a Overload less than 5 seconds NUMBER OF EVENTS APPLICATIONS POWERED Overload over 5 seconds NUMBER OF EVENTS Loss of redundancy NUMBER OF EVENTS AVAILABILITY Internal temperature ENVIRONMENT OF USE a MIN., AVERAGE, MAX. (batteries) a COMMANDS MENU The mimic panel can be used to send some commands to the system, either to verify certain functions temporarily or to change the operating mode. There are two groups of commands on the mimic panel, according to the importance of the command chosen on the system and in order to ensure uninterrupted power to the applications: Immediate Commands START PROCEDURE STOP PROCEDURE ECONOMY MODE NORMAL OPERATION ALARMS RESET LED TEST Guided procedure to start up the UPS Guided procedure to shut down the UPS Activates ECO/ALWAYS ON MODE Activates normal (ON LINE) operation Resets all alarms Performs the test of the mimic panel LEDs Extended Commands These are only visible if the extended commands item on the configurations menu has been activated SWITCHING AND BLOCK ONTO BY-PASS SWITCHING ONTO INVERTER SWITCHING ONTO BATTERY (FOR 30 SECONDS) IMMEDIATE BATTERY TEST Used for forced maintenance and keeps the UPS in by-pass operating mode Returns the UPS to normal (ON LINE) operation Forces the UPS onto the battery (MANUAL TEST) Immediate execution of the battery test 27

28 PARAMETERS MENU The system configuration can be verified by entering this section of the mimic panel, and more specifically: The current configuration of the parameters that can be changed by the user Main production data (software version, various CPUs, serial number, and so on) The parameters can be changed from the SERVICE menu described below. SERVICE MENU In addition to the specific information for installation and preventive maintenance, this menu is used to set the operating parameters so as to adapt the UPS for the type of installation / protected application. Some of the parameters listed below are only available in the models with Graphic LCD. Table of configurable parameters Parameter LANGUAGE SELECTION LEVEL OF REDUNDANCY OUTPUT VOLTAGE OUTPUT FREQUENCY CONVERTER BATTERY TYPE BATTERY CAPACITY NUMBER OF ELEMENTS PRE MINIMUM BATTERY VOLTAGE MINIMUM BATTERY VOLTAGE BATTERY RECHARGE MAINTENANCE VOLTAGE BATTERY RECHARGE CURRENT LIMIT BATTERY RECHARGE ACCORDING TO TEMPERATURE FREQUENCY OF BATTERY TEST RS232 SERIAL CONNECTION DATE AND TIME LCD CONTRAST FREQUENCY OF STATISTICAL FUNCTIONS Description Selects the language required for the LCD Defines the level of redundancy N+X Sets the nominal voltage of the output voltage Sets the value of the output frequency Sets the mode of the frequency converter Indicates the type of batteries used: Hermetically sealed lead VRLA (AGM or GEL) Open vase Nickel Cadmium Sets the nominal battery capacity in Ah Indicates the number of elements in series on each string Voltage value at which the pre minimum battery alarm signal is activated Voltage value at which the UPS shuts down due to minimum battery voltage Indicates the maintenance voltage value per individual cell Indicates the recharge current limit as a percentage of the nominal capacity set Sets the compensation value of the recharge voltage according to the battery temperature Sets the interval in days for the automatic execution of the battery test Sets the serial communication parameters and enables/disables the remote commands. Sets the date and time for event history log functions Sets the contrast for the GRAPHIC LCD display Sets the sampling time intervals for monitoring of events / measurements 28

29 5.5 System concentrator: (ICM2) In the parallel configuration (horizontal parallel), each module comes with a graphic LCD display with ICM function. This means that the individual units and the whole system hierarchically can be seen and controlled on all displays. The advantages of the Intelligent Communication Module functionality are that a single UPS can house a selection of options and the external communication accessories needed for the monitoring and diagnostics for the whole system (NetVision, GSS or ADC Board, etc.); information on the system, including the unified Ethernet connection, is therefore remotable and made available centrally. This functionality is already implicitly present in the e-business solution which starts out as a single modular system with a single ICM graphic display. The ICM functionalities are linked exclusively to display and communication, without any interaction with the parallel control electronics, to ensure there is no single point of failure. : Intelligent Communication Module Panel visualisation 29

30 : Intelligent Communication Module Panel visualisation 30

31 6. Technology 6.1 VFI: Voltage Frequency Independent The main purpose of the Uninterruptible Power System (UPS) is to provide an autonomous power supply to the connected equipment to that operation of the equipment is not affected by random alterations and/or short extended failures of the mains power supply. A special feature of is the ONLINE double conversion operation (VFI-SS-111 as defined by the new reference standard EN ), that is, the capacity to supply a voltage that is perfectly stabilized in frequency and amplitude, even in event of extreme alterations in the mains power supply. The table below shows the UPS classification procedures and parameters in accordance with EN V F I S S A B C Output characteristics Only in normal operating mode Waveform in output First character: normal mode or from by-pass Second character: mode from battery Dynamic performance in output A In conditions of change of operating mode B In conditions of variation of the linear load C In conditions of variation of the non linear reference load Classification option Classification option Classification option VFI When the UPS output is independent of the variations in (mains) power supply voltage and frequency VFD When the UPS output is dependent on the variations in voltage and frequency S The waveform generated is sinusoidal, with total harmonic distortion rate D < 0.08 and harmonics within the limits indicated in EN in all conditions of linear/ non linear reference load X Like S with linear load, D < 0.08 with distorting load 1 < Class 1 (no interruption or zero voltage) 2 < Class 2 (zero in output for 1ms) 3 < Class 3 (zero in output for 10ms) 4 Refer to the manufacturer VI When only the output frequency depends on the variations in (mains) power supply frequency Y The waveform generated is not sinusoidal and exceeds the limits indicated in EN (Refer to the manufacturer for the type of waveform) 31

32 6.2 Description of the functional blocks With reference to the block diagram shown below, the individual blocks have the following functions: (4) (1) (3) (2) (2) (1) RECTIFIER When the mains power supply is present, the function of the rectifier is to convert the input alternating voltage into a direct voltage (AC/DC converter) for the supply of the inverter stage. Working directly with the mains voltage, it has power factor correction (PFC > 0.99), and input current harmonic distortion control (THDi < 3%); these are important in order to ensure that other applications powered on the same distribution line are not affected. The same functional block is also used as a DC/DC converter during operation from battery. It supplies a constant direct power supply inverter voltage and at the same time ensures protection against deep discharges of the accumulator batteries used. (2 )BATTERY This is the energy source for the inverter power supply if the main power supply fails, in order to ensure there is no break in the supply of power to the applications. The main types of batteries used for these purposes are maintenance-free hermetically sealed lead, open vase and nickel-cadmium batteries. (3) INVERTER This converts the direct voltage supplied by the rectifier stage into a sinusoidal voltage that is fully stabilized in amplitude and frequency (4) AUTOMATIC BY-PASS This device transfers the UPS output onto the auxiliary mains in the event of an overload or a fault in the inverter section. The mains by-pass circuit is produced using thyristors and so intervention time is zero. 32

33 7. Modes of operation 7.1 Operating modes and conditions On line operation A special feature of the series is the "ON LINE" double conversion operation in conjunction with mains absorption with very low distortion. With ON LINE mode, the UPS is able to supply a voltage that is fully stabilized in frequency and amplitude, regardless of any interference in the mains power supply within the most stringent classification of UPS regulations. ON LINE operation provides three operating modes according to mains and load conditions: "Normal" mode This is the most frequent operating condition: the energy is drawn from the primary mains power supply and is converted and used by the inverter to generate the output voltage to power the connected applications. The inverter is constantly synchronized in frequency with the back-up power supply so that the load can be transferred to it (due to an overload or inverter stoppage) without any break in the power supply to the load. The battery charger supplies the energy required to maintain or recharge the accumulator batteries. "By-pass" mode If the inverter should stop, the application is automatically transferred, without any interruption in power, onto the stand-by mains. This procedure may occur in the following situations: in the event of a temporary overload; the inverter continues to power the load. If the condition persists, the inverter goes into protection mode and the UPS output is switched via the automatic by-pass onto the stand-by mains line. Normal operation, that is from inverter, returns automatically a few seconds after the overload disappears. when the voltage generated by the inverter goes out of the allowed limits of tolerance due to a major overload or because of a fault on the inverter. when the internal temperature exceeds the maximum allowed value. "Battery" mode In the event of a mains failure (micro interruptions or extended black-outs), the UPS continues to power the application using the energy stored in the accumulator battery. The Expert Battery System keeps the user constantly informed on the battery status and on the back-up time available. The disconnection of non-privileged applications during battery discharge can be programmed (after a certain amount of time has passed) by using the Power Share option so that the battery resources can be reserved for the most critical applications. Operation in economy mode The UPS has a selectable and programmable economy operating mode that can increase overall efficiency by up to 98%, for energy saving purposes. With this mode of operation, specific daily or weekly time intervals can be selected and programmed in which the applications are powered directly from the back-up power supply. If the supply fails, the UPS will automatically switch onto the inverter and continue to supply power to the load by drawing energy from the battery. This mode does not provide perfect stability in frequency and voltage, which is a property of ON LINE operation, thus the use of this mode should be carefully evaluated according to the level of protection required by the application. Eco-Mode Operation Very high efficiency can be achieved with Eco Mode operation, since in normal conditions the application is powered directly from the back-up power supply via the automatic bypass. 33

34 Always On Operating Mode Very high efficiency can be achieved with the innovative Always On mode in conjunction with active filtering of the harmonics reflected in the mains by the distorting load. In normal conditions the application is powered directly from the stand-by mains via the automatic bypass, while the inverter contributes towards compensating the reflected harmonics. Operation with manual by-pass If the manual by-pass is activated with the appropriate procedure, the load is powered directly from the stand-by mains, while the UPS is in fact excluded from the power supply and can be switched off. This operating mode can be selected for maintenance to be carried out on the system so that the necessary actions can be performed by service personnel without having to disconnect the power supply to the load. Operation in GE configuration provides for operation in conjunction with a generator (GE). With a generator, the frequency and voltage ranges of the stand-by mains can be coordinated to accept the instability of the GE and at the same time to avoid operation from the battery or risks of out-of-sync switching to the by-pass. The use of the GSS interface, described in the options section, also allows an increase in the amount of diagnostic information exchanged between the continuous power system and the generator. 34

35 7.2 Six-pack IGBT rectifier with pfc A power factor close to one and the lowest harmonic distortion value that can currently be achieved for the input current (combined between them) enables : to limit its influence and that of the powered applications on the operation of other sensitive loads connected to the same distribution line (upstream of the UPS), to lower operating costs by means of a substantial reduction in required power, to reduce the cable sections and the size of the protection devices located upstream of the UPS. input section is based on a six-pack IGBT switching rectifier topology which, thanks to DSP electronic control (enhanced predictive control) guarantees uniform performance with any level of load powered and independent of mains power supply impedance. This solution also ensures full compatibility with all types of generators, thus avoiding oversizing. This structure built into the UPS means there is no need for external harmonics reducing devices such as passive/active filters; it is therefore an additional element in reducing the indirect space taken up by the system and is an integrated response in observance of the EN directive on harmonics. In addition to excellent low distortion sinusoidal absorption performance, the IGBT rectifier also offers significant benefits with regard to the wide range of input voltage and frequency from 260 to 480V and from 45 to 65Hz without the use of the battery. This feature allows a high level of immunity from mains disturbances, reducing the time of operation from battery (fewer charge and discharge cycles) therefore protecting the initial investment. 35

36 7.3 Always - On Mode With its ON LINE double conversion operation (VFI-SS-111 in compliance with standard EN ), supplies a voltage that is perfectly stabilized in voltage and in amplitude, independent of alterations in the mains power supply. During ON LINE operation, the input rectifier stage guarantees a power factor close to one and the lowest harmonic distortion value that can be achieved. also offers Always ON Mode, an innovative development in the possibility of use of Continuous Power Systems. When Always ON Mode is selected (or whenever there has been transfer onto the automatic by-pass), the load is powered from the emergency mains. In this mode the harmonic rejections typical of the loads powered, are in any case monitored and corrected by the UPS. The topology of is in fact implemented to guarantee automatically the sinusoidal absorption of input ensuring the quality of the mains power supply even with the load powered from the automatic by-pass. A substantial reduction in installation power needed is achieved by keeping full compatibility with all types of generators, thus avoiding their over-sizing. 36

37 7.4 Advantages of low distortion The two functions described above, the six-pack IGBT rectifier and Always-On mode, have an integrated active filter. They have been introduced to ensure that in the various operating conditions the UPS does not alter the quality and reliability of the primary power supply or its distribution. Beside being determined by external interference such as over-voltages or spikes due to atmospheric agents, the quality of the power supply is in fact increasingly affected by the presence of abnormal absorption within the building due to the combination of linear and non linear loads that determine: - an increase in harmonics, - a subsequent rise in the voltage distortion level, - an increase in the size of protective devices, - oversizing of the power required by the power supply or in some cases by the generator, if present. Thanks to the innovative functions that have been introduced, Masterys provides a solution that guarantees and even improves the quality of the power supply upstream while also firmly limiting the interference caused by the protected applications downstream. To sum up, the advantages of low distortion absorption are as follows: Reduction in effects on the voltage harmonic distortion Reduction in the value of the absorbed neutral current Reduction in the effective value of the absorbed harmonic current Reduction in the overall effective value of the absorbed current (as a consequence of the reduction in harmonic current) Reduction in the Crest Factor (relationship between the crest value and the effective value) of the absorbed current Improvement in the Power Factor The table below shows a qualitative comparison of the solutions currently on the market for the reduction of harmonic distortion: PARAMETER LC PASSIVE FILTER 12-PULSE RECTIFIER Impedance of the mains power supply Variation in the time of the powered load Variation of the frequency of the power supply source Improvement in the Power factor (P.F.) Size Weight Dependence on the value of the mains impedance with risk of resonance The passive filter is sized for a determined maximum load value at which the best performance is achieved Strong dependence on the stability of the frequency of the power supply source Limited improvement in the power factor very dependent on the value of the powered load Considerable size with the need for a dedicated cabinet with the resulting increase in floor space required The weight of the whole solution is increased significantly with the addition of the passive filter Dependence on the value of the mains impedance The 12-pulse rectifier solution achieves maximum performance at the maximum load value Limited dependence on variations of the frequency of the power supply voltage Improvement in the Power Factor but with dependence on the value of the powered load Considerable size with an increase in the space required for installation. Depending on the power, a dedicated cabinet may be necessary Given the need for transformers/ autotransformers, this determines a significant increase in the weight of the whole solution EMBEDDED ACTIVE FILTER Mains impedance has no effect on filter performance Constant value of performance (in terms of power factor and distortion) regardless of the load value No dependence on any variations of the frequency of the power supply voltage Substantial improvement in the Power Factor regardless of the value of the powered load (achievable P.F. >0.99) Electronic solution integrated into the system without determining an increase in the space required for installation The integrated solution does not determine a significant increase in weight 37

38 7.5 Innovative cooling system offers an innovative multi-zone cooling system that guarantees separation into different sections within the UPS, using cooling and segregation techniques to prevent the transmission of the flow of warm air from one zone to the other. The zone with the greatest development of heat is the one comprising the power modules (six-pack IGBT and other semiconductors) and the magnetic components but, by means of high efficiency dissipators and controlled speed fans, a considerable reduction in required space can be achieved and optimal heat discharge developed. The remaining zones (boards, protection mechanisms, electromechanical devices and condensers) are suitably separated from the zone having the greatest development of heat and directly benefit from the natural airflow which comes in from the front. Special attention has been given to the battery compartment where a specific separation ensures that thermal effects cannot shorten the life of the accumulators; the temperature value is constantly monitored by the Expert Battery System and the charge voltage level and related modes are adjusted. Multi-Zone cooling ZONA 2 SCHEDE Z 1 Z1 power electronics zone Z2 PCB zone Z3 Batteries zone Air in ZONA 3 BATTERIE 38

39 8. Options 8.1 HW accessories and options The various configurations of can be adapted and integrated into any system to satisfy all requirements: Parallel kit: allows a further increase in reliability (redundancy) or in power system (scalability) by connecting up to 6 units in horizontal parallel. Separate auxiliary mains: Masterys by-pass line can be powered from a separate energy source to ensure a "safe" power supply in the event of an overload. The 3/1 models are generally supplied with this feature as standard, and it can be requested as an option on the other models. Input or Output transformer: the galvanic isolation transformer can be requested as an option in models BC-MC-EB. It is generally used to vary the distribution rate according to system requirements (IT system) or for immunity from electromagnetic phenomena (TN system). Since the IP family has been specifically designed for industrial applications, an internal isolation transformer is supplied as standard and can be connected to the UPS input or output. Isolation controller: In combination with the isolation transformer, can be equipped with a device to control isolation towards earth and thus to indicate any losses in isolation of the system. The remote mimic panel shows all available information, allowing full remote monitoring of the UPS, up to a maximum of 100 m. The language can be selected from the 14 available: Italian, English, French, German, Spanish, Portuguese, Slovenian, Dutch, Swedish, Norwegian, Russian, Polish, Chinese and Turkish External dry contacts interface board (Advanced Dry Contact): a board with three isolated inputs (including ESD) and 4 relay outputs (2A - 250V).is available to implement signals and remote controls. GSS interface board (Global Supply System): for integrated operation management and Generator diagnostics management. 39

40 External manual by-pass: The entire range provides the opportunity to preset an external manual bypass for any system requirements and to allow on site maintenance of the UPS by completely isolating the UPS. The manual by-pass is supplied as standard, built into the UPS, in the families MC, EB, IP and as option for the BC models. In the case of vertical parallel systems, a manual by-pass sized for the full power of the system must be used. Batteries: In the MC-IP-EB series, can be configured for the use of various types of batteries; Hermetically sealed batteries Open vase batteries Nickel Cadmium batteries Battery charger: the standard battery charger can be reinforced with an additional battery charger according to the recharge requirements associated with the capacity (Ah) of the battery installed. A correct recharge current guarantees a useful battery life as per its specifications and a rapid back-up recovery time even in the event of particularly deep discharges. Not permanent programmable output (Power Share): an output dedicated to the protection of non critical loads which can be disconnected under certain conditions. EMD (Environment Module Device) EMD is a device to be used in conjunction with NET VISION with the following features: - temperature and humidity measurements + 2 contact alarms - can be managed remotely from 2 to 15 metres - alarm thresholds configurable via Web browser - notification of environmental alarm via and SNMP traps. 40

41 8.2 SW accessories and options Thanks to high communication capacity, a number of SW solutions can be associated to it which have been specifically developed to improve the efficiency of the management of electrical power supply protection devices present on the networks: The UniVision PRO software version safeguards the data and ensures that the operating system of the local server and of the computers in the network is automatically shut down before the batteries are completely run down. The optional NetVision board (WEB/SNMP) for more advanced management and monitoring of the network by optimizing UPS performance and to customize the protection solution UNI VISION PRO is the solution for management of the UPS connected to the local server via RS232; its application is normally at departmental level for the automatic shutdown of systems and the safe management of the UPSs protecting servers and workstations. The compatibility whit various OS is made by JRE (Java Runtime Engine) Uni Vison Uni Vision Pro Windows Server 2003/XP/2000 Linux kernel 2.x Intel architecture IBM AIX 4.3.3/5.x Rs 6000/PPC architecture HP HP-UX 10.20/11.x PA-RISC architecture Sun Solaris 8/9/10 Sparc architecture Novell 5/6 Main functions - Graphic UPS supervision via web browser - Local shutdown of the server where Uni Vision Pro is running - Remote shutdown by means of optional proxy agent or Java &.Net Shutdown Client - Fault notification via to up to 8 addresses It is usually adopted in networks of medium size and complexity (1 server and 5-20 workstations), when the server is physically near to the UPS. NET VISION is the solution for management of the UPS connected directly to the local network. It is usually adopted in networks of medium/large size and complexity and in multi-server environments at enterprise level where the IT manager centrally manages all the network resources. The physical position of the UPS is not important. Main functions - 10/100Mb Ethernet connection (RJ45) - Graphic UPS supervision via web browser - Remote shutdown of up to 40 computers - Fault notification via to up to 8 addresses - UPS management by means of SNMP protocol (RFC 1628 MIB compliant) - Diagnostics via internet with the T-Service. - Ambient monitoring trought EMB (Enviromental Module Device) The UPS behaves just like a network peripheral. It can be managed remotely and, in turn, can manage the shutdown of the Servers/Workstations installed in the network. Connection to the network via a normal RJ45 connector makes this software extremely flexible and easy to use, thanks also to its HTML graphic interface. 41

42 Java &.Net Shutdown Client (JNC) is a SW tool, or programme, that can be installed on the various computers in the network and which, once started and suitably configured, is in charge of shutting down the computer it resides on without operator intervention in critical conditions during power supply from the UPS (end of battery imminent, overload, etc.). Main features / functions: - Use of standard TCP/IP network protocol - Interface graphics for ease of configuration - Minimal use of CPU resources - Customization of parameters and shutdown script - Continuous check of the efficiency of the connection with UPS It is provided as an option and can be associated with communication products UNI VISION PRO or NET VISION. Thanks to Java technology, it can be used on various operating systems in which a Java Runtime Environment is installed. If installed in Windows platforms it becomes very simple and efficient thanks to.net technology. This interprets and converts instructions into suitable commands to be executed directly by the O.S. Client included on Net Vision software Client available on request Windows Server 2003/XP/2000 (1) Novell 4.x Novell 5/6 SCO Unixware 7.0 (intel architecture) SCO Open Server from version 5.x (intel architecture) Sun Solaris versions 2.6 to 8.0 (intel architecture) Sun Solaris 8/9/10 Sparc architecture Linux Kernel 2.2.x or later versions (intel architecture) - Red Hat compatible Linux kernel 2.x Intel architecture Windows 9X/ME/NT/Server 2003/XP/2000 IBM AIX 4.3.3/5.x Rs 6000/PPC architecture IBM AS 400 V4R5 HP HP-UX 10.20/11.x PA-RISC architecture Apple Mac Os X JAVA JREincluded in OS X (1) Suggested for Windows 2003 Server 9. Installation and protection requirements The mains connection and that of the applications must be made using cables of the appropriate section and which are compliant with the currently applicable regulations. An electrical panel must be provided (if there is none present) so that the mains can be isolated upstream of the UPS. This electrical panel must have an automatic switch (or two if there is a separate by-pass line) of sufficient capacity for the current absorbed at full load, and also a differential switch. The earth leakage current varies according to the size of the UPS so the installation engineer must correctly size the differential protection upstream of the UPS using a selective model (insensitive to transients). It should be taken into consideration that any leakage currents of applications downstream are added to those of the UPS and that in the transitory phases (no power from mains and mains return) current peaks may occur, though of brief duration. It is therefore recommended to calculate? the differential protection, if necessary by applying 30mA protection devices downstream of the UPS on the lines to the applications. It is in any case advisable to carry out a preliminary check of the earth leakage current with the continuous power system installed and operating with the definitive load, in order to ensure that the above-mentioned switches are not suddenly triggered. In the event that installation of the external manual by-pass is required, the one supplied by the manufacturer must be installed. Refer to the family table for the suitable sizing of cables and protection devices. 42

43 10. Technical data tables BC MODEL TABLE BC Nominal apparent power 8 kva 1/1 10 kva 1/1 8 kva 3/1 10 kva 3/1 12 kva 3/1 15 kva 3/1 20 kva 3/1 10 kva 12 kva 15 kva 20 kva 30 kva 40 kva 8 kva 10 kva 8 kva 10 kva 12 kva 15kVA 20kVA 10 kva 12 kva 15kVA 20kVA 30 kva 40 kva Nominal active power 5,6 kw 7 kw 5,6 kw 7 kw 8,4 kw 12kW 16kW 7 kw 8,4 kw 12kW 16kW 24 kw 32 kw Nominal/ maximum rectifier input current (according to EN ) Nominal/ maximum by-pass input current (according to EN ) 29A / 47A 35A / 62A* Maximum air flow 400 m 3 /h 34A /60A 44A / 77A* 400 m 3 /h 10A / 16A* 35A / 62A* 400 m 3 /h 12A/ 20A* 44A / 77A* 400 m 3 /h 15A / 24A* 53A / 92A* 400 m 3 /h 19A / 35A* 65A / 114A* 546 m 3 /h 25A / 46A* 87A / 152A* 546 m 3 /h 12A / 20A 15A / 26 A** 400 m 3 /h 15A / 24A 18A / 31A** 400 m 3 /h 19A / 35A* 22A / 38A** 546 m 3 /h 25A / 46A* 29A / 51A** 546 m 3 /h 38A / 71A 43A / 76A** 546 m 3 /h 51A / 95A 58A / 101A** Sound level 52 db 52 db 52 db 52 db 52 db 55 db 55 db 52 db 52 db 55 db 55 db 55 db 62 db Dissipation at nominal load (W) (worst case : mains input and battery recharging) m 3 /h kcal/h BTU/h Type of recharge Weight (kg) with std. Back up time Single level with temperature compensation (expert battery system) (*) Absorption in by-pass mode is of the single-phase type. The nominal current of neutral and phase common to the by-pass are therefore three times the current absorbed by the rectifier in normal operation (**) In the case of single-phase non-linear loads connected downstream of the UPS, the current on the neutral can be times higher than the phase current during operation from the by-pass. This is due to the current harmonic distortion introduced by the load itself, which is no longer corrected by the UPS rectifier as in normal operation. 43

44 BC MODEL TECHNICAL DATA TABLE BC Characteristics BC kVA Nominal mains power supply voltage 3x400V+N (three-phase model) 230V (single-phase model) Tolerance on the voltage ±20% up to -35% at 70% of nominal power Nominal frequency 50/60Hz selectable Tolerance on the frequency ± 10% Power factor input at full load and at nominal voltage Total current harmonic distortion (THDi) Maximum inrush current on start-up 0.99 Single-phase 0.95 Three-phase < 6% Single-phase < 25% Three-phase <In (no over current) > 0.99 BC15-40kVA < 10% Single-phase < 3% Three-phase INPUT By-pass frequency variation speed 1 Hz/s 3 Hz/s Nominal by-pass voltage Nominal output voltage ±15% Nominal by-pass frequency (selectable) 50/60Hz selectable Tolerance on the by-pass frequency ± 2% from ± 1% to ± 8% (in operation together with generator) Nominal output voltage (selectable) Tolerance on the output voltage Nominal output frequency (selectable) Tolerance on the output frequency Crest factor 3:1 Voltage harmonic distortion Overload allowed by the inverter (with mains present) Efficiency in double conversion operation (normal mode) (**) 208*/220/230/240V (1/1 and 3/1 models) 3x380/400/415V+N ( models) Static: ±1% Dynamic: in compliance with VFI-SS-111 (EN ) 50 or 60Hz ±0.01% (no mains power) 1% on linear load <7% on distorting load (EN ) 125% x 2 min 150% x 10 sec Efficiency in Eco Mode Up to 98% Up to 92% at nominal load 125%x 10min. 150%x 1min. Storage temperature C ( F) (15 to 25 C for best battery life) Operating temperature C ( F) (15 to 25 C for best battery life) Maximum relative humidity (non condensing) 95% Maximum altitude without de-rating 1,000m (3.300ft) Degree of protection IP20 (IP 21 optionals) Portability EN Colour RAL 7012, frontal plastic panel: silver grey 208V Pout= 90% Pnom (**) link to the power rating INVERTER BY-PASS ENVIRONMENT EFFICIENCY 44

45 MC MODEL TABLE MC Nominal apparent power Nominal active power Nominal/ maximum rectifier input current (according to EN ) Nominal/ maximum bypass input current (according to EN ) 10 kva 3/1 15 kva 3/1 20 kva 3/1 10 kva 15 kva 20 kva 30 kva 40 kva 60 kva 80 kva 10 kva 15 kva 20 kva 10 kva 15 kva 20 kva 30 kva 40 kva 60 kva 80 kva 8 kw 12 kw 16 kw 8 kw 12 kw 16 kw 24 kw 32 kw 48 kw 64 kw 13A / 23A* 43A* / 76A* 19A / 35A* 65A* / 114A* 25A / 46A* 87A* / 152A* 13A / 23A* 15A* / 25A* 19A / 35A 22A / 38A** 25A / 46A 29A / 51A** 38A / 71A 43A / 76A** 51A / 95A 58A / 101A** 77A / 142A 87A/ 152A** 102A / 190A 116A / 203A** Air flow 546 m 3 /h 546 m 3 /h 546 m 3 /h 546 m 3 /h 546 m 3 /h 546 m 3 /h 546 m 3 /h Sound level 55 db 55 db 55 db 55dB 55 db 55 db 55 db 62 db 62 db 62 db Dissipation at nominal load (worst case : mains input and battery recharging) 795 W 1187 W 1738 W 795 W 1187W 1738 W 2549 W 3165 W 4500 W 6000 W 1092 m 3 /h 1330 m 3 /h 1330 m 3 /h Type of recharge kcal/h BTU/h Single level with temperature compensation (expert battery system) Weight (kg) with std. Back up time (no battery) 210 (no battery) (*) Absorption in by-pass mode is of the single-phase type. The nominal current of neutral and phase common to the by-pass are therefore three times the current absorbed by the rectifier in normal operation (**) In the case of single-phase non-linear loads connected downstream of the UPS, the current on the neutral can be times higher than the phase current during operation from the by-pass. This is due to the current harmonic distortion introduced by the load itself, which is no longer corrected by the UPS rectifier as in normal operation. 45

46 MC MODEL TECHNICAL DATA TABLE MC Nominal mains power supply voltage Characteristics 3x400V+N Tolerance on the voltage ±20% up to -35% at 70% of nominal power Nominal frequency 50/60Hz selectable Tolerance on the frequency ± 10% Power factor input at full load and at nominal voltage 0.99 Total current harmonic distortion (THDi) 3% (up to 50 harmonic) models 10% (up to 50 harmonic) 3/1 models INPUT Maximum inrush current on start-up <In (no over-current) By-pass frequency variation speed < 1 Hz/s 3Hz/s By-pass nominal voltage Nominal output voltage ±15% By-pass nominal frequency (selectable) 50/60Hz selectable Tolerance on the by-pass frequency ± 2% from ± 1% to ± 8% (in operation together with generator) Nominal output voltage (selectable) Tolerance on the output voltage Nominal output frequency (selectable) Tolerance on the output frequency Crest factor 3:1 Voltage harmonic distortion Overload allowed by the inverter Efficiency in double conversion operation (normal mode)(**) 208*/220/230/240V (3/1 models) 3x380/400/415V+N ( models) Static : ±1% Dynamic : compliance with VFI-SS-111 (EN ) 50 or 60Hz ±0.01% no mains power 1% on linear load <6% on distorting load (ref EN ) 125% x 10 min 150% x 1 min Efficiency in Eco Mode Up to 97% Efficiency in Always On Mode Up to 95% Up to 92% at nominal load Storage temperature C ( F) (15 to 25 C for best battery life) Operating temperature C ( F) (15 to 25 C for best battery life) Maximum relative humidity (non condensing) 95% Maximum altitude without de-rating 1,000m (3.300ft) Degree of protection IP20 (IP 21 Optionals) Portability EN Colour 208V Pout= 90% Pnom (**) link to the power rating RAL 7012, frontal plastic panel: silver grey INVERTER BY-PASS ENVIRONMENT EFFICIENCY 46

47 IP MODEL TABLE IP 10 kva 15 kva 20 kva 10 kva 15 kva 20 kva 30 kva 40 kva 3/1 3/1 3/1 Nominal apparent power 10 kva 15 kva 20 kva 10 kva 15 kva 20 kva 30 kva 40 kva Nominal active power 8 kw 12 kw 16 kw 8 kw 12 kw 16 kw 24 kw 32 kw Nominal/ maximum rectifier input current (according to EN ) Nominal/ maximum by-pass input current (according to EN ) 13A / 24A* 19A / 35A* 25A / 46A* 13A / 24A* 19A / 35A 25A / 46A 38A / 71A 51A / 95A 44A* / 76A* 65A* / 114A* 87A* / 152A* 15A* / 25A* 22A / 38A** 29A / 51A** 43A / 76A** 58A / 101A** Air flow 706 m 3 /h 706 m 3 /h 706 m 3 /h 706 m 3 /h 706 m 3 /h 706 m 3 /h 866 m 3 /h 1252 m 3 /h Sound level 55 db 55 db 55 db 55 db 55 db 55 db 55 db 62 db Dissipation at nominal load (worst case : mains input and battery recharging) 890 W 1483 W 2141 W 890 W 1483 W 2141 W 3149 W 3560 W Type of recharge Kcal/h BTU/h Single level with temperature compensation (expert battery system) Weight (kg) with std. Back up time (no battery) (*) Absorption in by-pass mode is of the single-phase type. The nominal current of neutral and phase common to the by-pass are therefore three times the current absorbed by the rectifier in normal operation (**) In the case of single-phase non-linear loads connected downstream of the UPS, the current on the neutral can be times higher than the phase current during operation from the by-pass. This is due to the current harmonic distortion introduced by the load itself, which is no longer corrected by the UPS rectifier as in normal operation. 47

48 IP MODEL TECHNICAL DATA TABLE IP Nominal mains power supply voltage Characteristics 3x400V+N Tolerance on the voltage ±20% Up to -35% at 70% of nominal power Nominal frequency 50/60Hz selectable Tolerance on the frequency ± 10% Power factor input at full load and at nominal voltage 0.99 Total current harmonic distortion (THDi) 3% (up to 50 harmonic) models 10% (up to 50 harmonic) 3/1 models Maximum inrush current on start-up <In (no over-current) By-pass frequency variation speed < 1 Hz/s 3Hz/s Nominal by-pass voltage Nominal output voltage ±15% Nominal by-pass frequency (selectable) 50/60Hz selectable ± 2% Tolerance on the by-pass frequency from ± 1% to ± 8% (in operation together with generator) Nominal output voltage (selectable) Tolerance on the output voltage Nominal output frequency (selectable) 208*/220/230/240V (3/1 models) 3x380/400/415V+N ( models) Static: ±1% Dynamic: in compliance with VFI-SS-111 (EN ) 50 or 60Hz INPUT BY-PASS Tolerance on the output frequency Crest factor 3:1 Voltage harmonic distortion Overload allowed by the inverter Isolation towards the output Neutral system in output ±0.01% (no mains power) 1% on linear load <7% on distorting load (EN ) 125% x 10 min 150% x 1 min 2 kv Neutral isolated from the input Efficiency in double conversion operation (normal mode)(**) Up to 91% at nominal load Efficiency in Eco Mode Up to 96% Efficiency in Always On Mode Up to 94% Storage temperature C ( F) (15 to 25 C for best battery life) Operating temperature C ( F) (15 to 25 C for best battery life) Maximum relative humidity (non condensing) 95% Maximum altitude without de-rating 1,000m (3,300ft) Degree of protection IP21 Portability EN Colour 208V Pout= 90% Pnom (**) link to the power rating RAL 7012, frontal metallic panel: silver grey INVERTER EFFICIENCY ENVIRONMENT 48

49 IP MODEL 220V TABLE: The version 220V provide one input and one output transformer inside the cabinet for voltage adaptation. The following table gives the technical data. IP 220V 15 kva 20 kva 30 kva Nominal apparent power 15 kva 20 kva 30 kva Nominal active power 12 kw 16 kw 24 kw Nominal/ maximum rectifier input current (according to EN ) 35A / 65A 46A / 85A 70A / 132A Nominal/ maximum by-pass input current (according to EN ) 41A / 70A** 54A / 95A** 78A / 141A** Air flow 866 m 3 /h 866 m 3 /h 866 m 3 /h Sound level 55 db 55 db 55 db Dissipation at nominal load (worst case : mains input and battery recharging) 1793W 2561W 3780W Kcal/h BTU/h Type of recharge Single level with temperature compensation (expert battery system) Weight (kg) without battery (**) In the case of single-phase distorting loads connected downstream of the UPS, the current on the neutral can be times higher than the phase current during operation from the by-pass. This is due to the current harmonic distortion introduced by the load itself, which is no longer corrected by the UPS rectifier as in normal operation. 49

50 IP MODEL 220V: TECHNICAL DATA TABLE IP 220V Nominal mains power supply voltage Characteristics 3x220 without neutral Tolerance on the voltage ±20% Up to -35% at 70% of nominal power Nominal frequency 50/60Hz selectable Tolerance on the frequency ± 10% Power factor input at full load and at nominal voltage 0.99 Total current harmonic distortion (THDi) 3% (up to 50 harmonic) INPUT Maximum inrush current on start-up <10In (magnetising transformer current) By-pass frequency variation speed < 1 Hz/s 3Hz/s Nominal by-pass voltage Nominal output voltage ±15% Nominal by-pass frequency (selectable) 50/60Hz selectable ± 2% Tolerance on the by-pass frequency from ± 1% to ± 8% (in operation together with generator) Nominal output voltage (selectable) Tolerance on the output voltage Nominal output frequency (selectable) 3x208/220+N ( models) Static: ±1% Dynamic: in compliance with VFI-SS-111 (EN ) 50 or 60Hz BY-PASS Tolerance on the output frequency Crest factor 3:1 Voltage harmonic distortion Overload allowed by the inverter Isolation towards the output Neutral system in output ±0.01% (no mains power) 1% on linear load <7% on distorting load (EN ) 125% x 10 min 150% x 1 min 2 kv Neutral isolated from the input Efficiency in double conversion operation (normal mode)(**) Up to 89% at nominal load Efficiency in Eco Mode Up to 94% Efficiency in Always On Mode Up to 92% Storage temperature C ( F) (15 to 25 C for best battery life) Operating temperature C ( F) (15 to 25 C for best battery life) Maximum relative humidity (non condensing) 95% Maximum altitude without de-rating 1,000m (3,300ft) Degree of protection IP21 Portability EN Colour 208V Pout= 90% Pnom (**) link to the power rating RAL 7012, frontal metallic panel: silver grey INVERTER EFFICIENCY ENVIRONMENT 50

51 EB MODEL 30 kva 45 kva 60 kva 90 kva EB (2x15 kva) (3x15 kva) (2x30 kva) (3x30 kva) Nominal apparent power 30 kva 45 kva 60 kva 90 kva Nominal active power 24 kw 36 kw 48 kw 72 kw Nominal/ maximum rectifier input current (according to EN ) 38A /71A 58A /109A 77A /144A 115A /215A Nominal/ maximum by-pass input current (according to EN ) 43A / 76A** 65A / 114A** 87A / 152A** 130A / 228A** Air flow 1092 m 3 /h 1638 m 3 /h 1092 m 3 /h 1638 m 3 /h Sound level 58 db 61 db 58 db 61 db Dissipation at nominal load 2374 W 3561 W 5098W 7650 W (worst case : mains input and battery recharging) Type of recharge KCal/h BTU/h Single level with temperature compensation (Expert Battery System) Weight (kg) with std. Back up time (no battery) (no battery) (**) In the case of single-phase non-linear loads connected downstream of the UPS, the current on the neutral can be times higher than the phase current during operation from the by-pass. This is due to the current harmonic distortion introduced by the load itself, which is no longer corrected by the UPS rectifier as in normal operation. 51

52 EB MODEL TECHNICAL DATA TABLE EB Nominal mains power supply voltage Characteristics 3x400V+N Tolerance on the voltage ±20% Up to -35% at 70% of nominal power Nominal frequency 50/60 Hz selectable Tolerance on the frequency ± 10% Power factor input at full load and at nominal voltage 0.99 INPUT Total current harmonic distortion (THDi) Maximum inrush current on start-up 3% (up to 50 harmonic) <In (no over-current) By-pass frequency variation speed < 1 Hz/s 3Hz/s Nominal voltage Nominal output voltage ±15% Nominal frequency (selectable) 50/60Hz selectable Tolerance on the frequency ± 2% from ± 1% to ± 8% (in operation together with generator) Nominal voltage (selectable) Tolerance on the voltage Nominal frequency (selectable) Tolerance on the frequency Crest factor 3:1 Voltage harmonic distortion Allowed overload Efficiency in double conversion operation (normal mode) (**) 3x380/400/415V+N Static: ±1% Dynamic: in compliance with VFI-SS-111 (EN ) 50 or 60Hz ±0.01% (no mains power) 1% on linear load <6% on distorting load (ref EN ) 125% x 10 min 150% x 1 min Up to 92% at nominal load Efficiency in Eco Mode Up to 97% Efficiency in Always On Mode Up to 95% Storage temperature C ( F) (15 to 25 C for best battery life) Operating temperature '0 +40 C ( F) (15 to 25 C for best battery life) Maximum relative humidity (non condensing) 95% Maximum altitude without de-rating 1.000m (3.300ft) Degree of protection IP20 (IP 21 as optional) Portability EN Colour RAL 7012, frontal plastic panel: silver grey (**) link to the power rating INVERTER BY-PASS ENVIRONMENT EFFICIENCY 52

53 BC PROTECTION DEVICES/SELECTIVITY TABLE BC Maximum i 2 t supportable by the by-pass (Icc<=1.5kA) 8 kva 1/ A 2 s 10 kva 1/ A 2 s 8 kva 3/ A 2 s 10 kva 3/ A 2 s 12 kva 3/ A 2 s 15 kva 3/ A 2 s 4KA max 20 kva 3/ A 2 s 4KA max 10 kva 8000 A 2 s 12 kva 8000 A 2 s 15 kva 8000 A 2 s 1.2KA max 20 kva 8000 A 2 s 1.2KA max 30 kva40 kva A 2 s 1.7KA max A 2 s 1.7KA max Rectifier (2) Curve D switch (1) 40A 50A 16A 20A 20A 32A 40A 20A 20A 32A 40A 63A 80A If use common mains 63A 63A 63A 63A 63A 25A 25A GG Fuse (1) 40A 50A 16A 20A 20A 32A 40A 20A 20A 32A 40A 63A 80A RECOMMENDED PROTECTION By-pass or general (2) Earth leakage device (3 Curve D switch (1) 50A 63A 50A 63A 63A 100A 125A 20A 25A 32A 40A 63A 80A GG Fuse (1) 50A 63A 50A 63A 63A 100A 125A 20A 25A 32A 40A 63A 80A 100 ma selective >0.5A selective 100 ma selective >0.5A selective Output (4) Curve C switch (4) <6A <6A <6A <6A <6A <12A <16A <4A <4A <4A <5A <8A <10A UR Fuse (4) <6A <6A <6A <6A <6A <18A <24A <4A <4A <6A <10A <12A <16A Rectifier terminals (maximum cable section) By-pass terminals (maximum cable section) Output terminals (maximum cable section) 4xCBD1 6 4xCBD1 6 4xCBD1 6 4xCBD1 6 4xCBD1 6 4xCBD2 5 4xCBD2 5 4xCBD1 6 4xCBD1 6 4xCBD1 6 4xCBD1 6 4xCBD2 5 4xCBD2 5 2xCBD1 2xCBD1 2xCBD1 2xCBD1 4xCBD1 4xCBD1 2xCBD1 2xCBD2 2xCBD2 4xCBD1 4xCBD1 4xCBD2 4xCBD (25mm ) (35mm 2 (25mm ) ) optional optional optional optional optional optional 2xCBD1 6 2xCBD1 6 2xCBD1 6 2xCBD1 6 2xCBD1 6 4xCBD2 5 4xCBD2 5 4xCBD1 6 4xCBD1 6 4xCBD1 6 4xCBD1 6 4xCBD2 5 (1) For devices operating in parallel, the size of the protection device must be oversized by 1.5 times. (2) Protection of the rectifier alone is only to be considered in the case of separate inputs; if the by-pass input is connected in common with the rectifier input, size the general input protection (by-pass + rectifier) according to the size recommended for the by-pass or general protection. (3) Must be selective with the earth leakage devices downstream connected to the UPS output. If the by-pass main is separated from the rectifier one, or in case of parallel UPS, use only one common input earth leakage protection device upstream. (4) Selectivity of distribution downstream with the inverter short circuit current (short circuit in operation from battery). In the case of devices connected in parallel, the value of the protection device can be increased n times, with n being the number of devices in parallel. 4xCBD2 5 53

54 MC PROTECTION DEVICES/SELECTIVITY TABLE MC Maximum i 2 t supportable by the by-pass (Icc<=max ka) Maximum i 2 t inverter at 100ms (short-circuit in battery mode) RECOMMENDED PROTECTION Rectifier (2) By-pass or general (2) Earth leakage device (3 Output (4) 10 kva 3/ A 2 s 4KAmax 15 kva 3/ A 2 s 4KAmax 20 kva 3/ A 2 s 4KAmax 10 kva 15 kva 20 kva 30 kva 40 kva 8000 A 2 s 8000 A 2 s 8000 A 2 s A 2 s 15000A 2 s 1.2KAmax 1.2KAmax 1.2KAmax 1.7KAmax 1.7KAmax 60 kva 80 kva A 2 s A 2 s 4KA max 5KA max 2434 A 2 s 2434 A 2 s 4326 A 2 s 270 A 2 s 270 A 2 s 480 A 2 s 1082 A 2 s 1922 A 2 s 4330 A 2 s 7670 A 2 s Curve D (1) 32A 32A 40A 32A 32A 40A 63A 80A 125A 160A aut. switch GG Fuse (1) 32A 32A 40A 32A 32A 40A 63A 80A 125A 160A Curve D aut. (1) 100A 100A 125A 32A 32A 40A 63A 80A 125A 160A switch GG Fuse (1) 100A 100A 125A 32A 32A 40A 63A 80A 125A 160A >0.5A selective Curve C aut. (4) <12A <12A <16A <4A <4A <5A <8A <10A <20A <25A switch UR Fuse (4) <18A <18A <24A <6A <6A <10A <12A <16A <32A <40A Rectifier terminals (maximum cable section) By-pass terminals (maximum cable section) Battery terminals (maximum cable section) Output terminals (maximum cable section) 4xCBD25 2xCBD25 4xCBD25 2xCBD25 4xCBD25 2xCBD25 4xCBD25 2xCBD25 4xCBD25 2xCBD25 4xCBD25 2xCBD25 4xCBD16 4xCBD16 4xCBD16 4xCBD16 4xCBD16 4xCBD16 4xCBD16 4xCBD16 4xCBD16 4xCBD16 4xCBD16 4xCBD16 4xCBD25 4xCBD25 4xCBD25 4xCBD25 4xCBD25 4xCBD25 4xCBD25 4xCBD25 4xCBD35 (50mm 2 ) 4xCBD35 (50mm 2 ) 4xCBD70 (95mm 2 ) 4xCBD35 (50mm 2 ) 4xCBD35 (50mm 2 ) 4xCBD35 (50mm 2 ) 4xCBD70 (95mm 2 ) 4xCBD35 (50mm 2 ) (1) For devices operating in parallel, the size of the protection device must be oversized by 1.2 times. (2) Protection of the rectifier alone is only to be considered in the case of separate inputs; if the by-pass input is connected in common with the rectifier input, size the general input protection (by-pass + rectifier) according to the size recommended for the by-pass or general protection. (3) Must be selective with the earth leakage devices downstream connected to the UPS output. If the by-pass main is separated from the rectifier one, or in case of parallel UPS, use only one common input earth leakage protection device upstream. (4) Selectivity of distribution downstream with the inverter short circuit current (short circuit in operation from battery). In the case of devices connected in parallel, the value of the protection device can be increased n times, with n being the number of devices in parallel. 54

55 IP PROTECTION DEVICES/SELECTIVITY TABLE IP Maximum i 2 t supportable by the by-pass (Icc<=max ka) Maximum i 2 t inverter at 100ms (short-circuit in battery mode) RECOMMENDED PROTECTION Rectifier (2) By-pass or general (2) Earth leakage device (3 Output (4) Curve D switch 10 kva 3/1 15 kva 3/1 20 kva 3/1 10 kva 15 kva 20 kva 30 kva 40kVA A 2 s A 2 s A 2 s 8000 A 2 s 8000 A 2 s 8000 A 2 s A 2 s 15000A 2 s 1.7KA max 1.7KA max 4KA max 1.2KA max1.2ka max 1.2KA max 1.7KA max1.7ka max 2434 A 2 s 2434 A 2 s 4326 A 2 s 270 A 2 s 270 A 2 s 480 A 2 s 1082 A 2 s 1922 A 2 s 32A 32A 40A 32A 32A 40A 63A 80A GG Fuse 32A 32A 40A 32A 32A 40A 63A 80A Curve D switch 100A 100A 125A 32A 32A 40A 63A 80A GG Fuse 100A 100A 125A 32A 32A 40A 63A 80A >0.5A selective Curve C 4) switch <12A <12A <16A <4A <4A <5A <8A <10A UR Fuse (4) <18A <18A <24A <6A <6A <10A <16A <16A Rectifier terminals (maximum cable section) By-pass terminals (maximum cable section) Battery terminals (maximum cable section) Output terminals (maximum cable section) 4xCBD25 2xCBD25 4xCBD25 2xCBD25 4xCBD25 2xCBD25 4xCBD25 2xCBD25 4xCBD25 2xCBD25 4xCBD25 2xCBD25 4xCBD16 4xCBD16 4xCBD16 4xCBD16 4xCBD16 4xCBD16 4xCBD16 4xCBD16 4xCBD16 4xCBD16 4xCBD16 4xCBD16 4xCBD25 4xCBD25 (35mm2) 4xCBD25 4xCBD25 (35mm2) 4xCBD25 4xCBD25 (35mm2) 4xCBD25 4xCBD25 (35mm2) (2) Protection of the rectifier alone is only to be considered in the case of separate inputs; if the by-pass input is connected in common with the rectifier input, size the general input protection (by-pass + rectifier) according to the size recommended for the by-pass or general protection. (3) Must be selective with the earth leakage devices downstream connected to the UPS output. If the by-pass main is separated from the rectifier one, or in case of parallel UPS, use only one common input earth leakage protection device upstream. (4) Selectivity of distribution downstream with the inverter short circuit current (short circuit in operation from battery). 55

56 IP 220V PROTECTION DEVICES/SELECTIVITY TABLE IP 220V Maximum i 2 t supportable by the by-pass (Icc<=max ka) Maximum i 2 t inverter at 100ms (short-circuit in battery mode) 15 kva A 2 s 2.22KA max 20 kva A 2 s 2.22KA max 30 kva A 2 s 3.15KA max 928 A 2 s 1650 A 2 s 3721 A 2 s RECOMMENDED PROTECTION Input Output (4) Curve C switch 63A 80A 125A GG Fuse 63A 80A 125A Curve C 4) switch <6A <8A <12A UR Fuse (4) <10A <16A <20A Input terminals (maximum cable section) 4xCBD16 4xCBD16 4xCBD35 Battery terminals (maximum cable section) Output terminals (maximum cable section) 4xCBD16 4xCBD16 4xCBD16 4xCBD16 4xCBD35 (35mm2) 4xCBD35 (35mm2) (4) Selectivity of distribution downstream with the inverter short circuit current (short circuit in operation from battery). 56

57 EB PROTECTION DEVICES/SELECTIVITY TABLE EB Maximum i 2 t supportable by the by-pass (Icc<=max ka) Maximum i 2 t inverter at 100ms (short-circuit in battery mode) 30 kva 15x2 kva 16000A 2 s 2.4KA max 45 kva 15x3 kva 24000A 2 s 3.6KA max 60 kva 30x2 kva 30000A 2 s 3.4KA max 90 kva 30x3 kva 45000A 2 s 5.1KA max 540 A 2 s 810 A 2 s 2164 A 2 s 3246A 2 s RECOMMENDED PROTECTION Rectifier (2) By-pass or general (2) Earth leakage device (3 Output (4) Curve D switch (1) 63A 100A 125A 200A GG Fuse (1) 63A 100A 125A 200A Curve D switch (1) 63A 100A 125A 200A GG Fuse (1) 63A 100A 125A 200A >0.5A selective Curve C switch (4) <8A <12A <16A <24A UR Fuse (4) <12A <18A <24A <36A Rectifier terminals (maximum cable section) 4xCBD35 (50mm 2 ) 4xCBD35 (50mm 2 ) 4xCBD35 (50mm 2 ) 4xCBD35 (50mm 2 ) By-pass terminals (maximum cable section) 4xCBD35 (50mm 2 ) 4xCBD35 (50mm 2 ) 4xCBD35 (50mm 2 ) 4xCBD35 (50mm 2 ) Battery terminals (maximum cable section) 12xCBD25 12xCBD25 12xCBD25 12xCBD25 Output terminals (maximum cable section) 4xCBD35 (50mm 2 ) 4xCBD35 (50mm 2 ) 4xCBD35 (50mm 2 ) 4xCBD35 (50mm 2 ) (1) Sizing of the system must take into account any possible future horizontal parallel expansion. (2) Protection of the rectifier alone is only to be considered in the case of separate inputs; if the by-pass input is connected in common with the rectifier input, size the general input protection (by-pass + rectifier) according to the size recommended for the by-pass or general protection. (3) Must be selective with the earth leakage devices downstream connected to the UPS output. If the by-pass main is separated from the rectifier one, or in case of parallel UPS, use only one common input earth leakage protection device upstream. (4) Selectivity of distribution downstream with the inverter short circuit current (short circuit in operation from battery). 57

58 11. Selectivity in low voltage systems Definitions: Total selectivity: selectivity is guaranteed for any type of fault (overload, short circuit, earth fault) and for any over-current value between the trigger threshold of the device furthest downstream and the estimated short circuit current at the point of installation of the device furthest upstream. Partial selectivity: selectivity is guaranteed up to a certain over current limit (selectivity current limit). SELECTIVITY IN OVERLOAD For protection device trigger times of a few hours to a few seconds (over currents up to 6-8 times the nominal current), coordination of the protection devices is quite simple; basically the current - time curves of the protection devices must never cross. SELECTIVITY IN SHORT CIRCUIT The protection devices must trigger in a few milliseconds to avoid burning of the cables considering the high currents in the event of a short circuit. For these trigger times, the considerations made on the criteria of the protection devices with regard to the current - time curves (in the event of an overload) no longer apply because the curves are no longer legible for such low times. The selectivity sizing in this case must be made on the basis of the limitation curves of the joule integral of the protection devices. In practice, for a determined estimated short circuit current value, the device furthest upstream must let more A2s pass than the device downstream would let pass. SELECTIVITY IN SHORT CIRCUIT WITH UPS 58

59 In the event of a short circuit of one of the loads connected downstream of the UPS, two cases are to be considered: The by-pass power supply upstream of the UPS is available: For a short circuit in output, the UPS will immediately transfer the load onto the by-pass; the by-pass magneto thermal protection MCB2 and the output protection device protecting the line of the load that has short circuited (MCB3) are thus in series (the short circuit is marked by a broken line in the figure). For correct coordination, the output switch (MCB3) must open before the general input switch (MCB2). The maximum energy allowed to pass by MCB3 must therefore be lower than the maximum energy that MCB2 allows to pass (at the expected value of the short circuit current): I 2 t MCB-3 <I 2 t MCB-2 The selectivity between the by-pass input magneto thermal switch and the maximum energy that can be supported by the by-pass SCRs (245000A 2 s in the example) at the expected short circuit (line) current (3000A in the example) must also be verified, that is: I 2 t SCR >I 2 t MCB-2 The by-pass power supply upstream of the UPS is not available: As the load cannot be transferred onto the by-pass (since this is not available), the short circuit must be fully supported by the UPS inverter. It must be verified that the distribution downstream opens before the electronic trigger of the UPS protection. As an example (in the figure the short circuit is shown by a dotted line), the three-phase short circuit current from battery of a 277A Masterys is considered as lasting for a max time of 100ms (square waveform). The short circuit energy in output provided by the UPS equals at most: I 2 t UPS = 277x277x100ms= 7672 A 2 s At the short circuit current value, which in this case is not expected but known and coincides with the UPS short circuit current value (277A in the example), for correct selectivity it must be verified that: I 2 t MCB-3 <I 2 t UPS This second case (short circuit without upstream mains) is however highly unlikely. The lack of mains upstream, in fact, presupposes that there has been a failure, and it is unlikely that a second failure (short circuit in output) would occur in the usually short period of mains failure. In general, this period coincides with the time that power is supplied from the battery (if the stand-by mains and the rectifier do not have separate power supplies) or with the average operator intervention time to repair the fault (if the UPS rectifier and the by-pass have two different mains power supplies, as in this example). 59

60 12. Single line block diagram BC BC BC (separate mains AND manual by-pass) BC (separate mains AND manual by-pass) 60

61 MC (internal batteries) MC (external batteries) 61

62 MC (separate by-pass and internal batteries) MC (separate by-pass and external batteries) 62

63 MC (internal batteries and parallel connection) MC

64 MC (separate by-pass) IP

65 EB EB (UPS module) 65

66 13. Reference standards and directives GENERAL INFORMATION The production of the equipment and the choice of materials and components are in accordance with the currently applicable Laws, Decrees, Directives and Standards. In particular, the equipment is in compliance with all the European directives on CE marking. 73/23EEC Council directive 73/23/EEC of 19 February 1973, on the approximation of the laws of Member States relating to electrical equipment designed for use within certain voltage limits. 89/336EEC Council directive 89/336/EEC of 3 May 1989 on the approximation of the laws of Member States relating to electromagnetic compatibility ELECTROMAGNETIC COMPATIBILITY Electromagnetic compatibility (EMC) provisions EN Electromagnetic compatibility SAFETY General and safety provisions for UPSs used in areas that can be accessed by the operator EN General and safety provisions for equipment used in areas that can be accessed by the operator EN General and safety provisions for UPSs used in areas that can be accessed by the operator (TÜV SÜD certified) EN Safety provisions for accumulator batteries and their installation EN Stationary lead accumulator batteries. General provisions and testing methods. Part 1: Open vase batteries EN Stationary lead accumulator batteries. General provisions and testing methods. Part 2: Valve-regulated batteries EN Degree of protection of the casing [Standard IP21] TYPE AND PERFORMANCE Performance provisions and testing methods EN Uninterruptible power systems (UPS). Performance classification methods and testing provisions STANDARDS for systems and installation The UPS inserted in the system does not change the neutral arrangements; this is due to the fact that the neutral input terminal N is directly connected to the output terminal N1 inside the device. If the neutral arrangements of the system downstream of the UPS need to be changed, the IP version must be installed, or the isolation transformer option used. The above-mentioned standards are with reference to the product (UPS) and are thus those which the UPS manufacturer must follow. When the UPS is inserted in a system, the installation engineer must refer to the regulations applicable in the specific electrical installation (e.g. EN 60364). 66