PowerWave Bus System Specification

Transcription

1 BUSWAY SYSTEM 1.0 SUMMARY 1.1 This specification covers the electrical characteristics and general requirements for a continuous opening, low voltage vertical or horizontal distribution system (busway). 1.2 System shall be designed primarily as an overhead distributed power distribution center. System shall be designed to be located near critical distribution points to power specific loads, servers and or work stations. Once installed, the completed system will provide a manageable, economical means for the distribution of power and communications. Distribution of power and communications will be made through the adaptation of Tap Off plug-in units mounted securely to the busway rails. 1.3 Tap Off points shall be easily modifiable for phase configuration and be safe for installation and decommissioning while the busway is in its live state. 1.4 System shall be 100% recyclable and be shipped in recyclable containers and packing. 2.0 STANDARDS AND CERTIFICATION 2.1 The low voltage distribution busway shall be manufactured and labeled to the follow standards: 2.1a Underwriters Laboratories Standard, UL 857 The common UL, CSA, and ANSI Standard for Busways that is derived from the fifth edition of CSA Standard C22.2 No. 27, the twelfth edition of UL 857, and the second edition of NMX-J ANSI. 2.1b IEC Standard - Low-voltage switchgear and control gear assemblies - Part 2: Particular requirements for bus bar trunking systems (busways). 2.1c IEC Standard Use of the Busway housing assembly as the protective ground conductor. 2.1d Low Voltage Directive (73/23/EEC) including Amendment (93/68/EEC). 2.1e IEC Standard Requiring that the tap-off units instantly connect loads or secondary runs. 2.1f IEC/EN Standard IEC standard for busway systems with installation standards and regulations for busway with an additional internal conductor with a cross-section equal to half that of the phases. 2.1g Low Voltage Switchgear and Control gear Assemblies, Part 1: Type Tested and partially type tested Assemblies, IEC : Part 2: Particular Requirements for Bus Bar Trunking systems (Busways), IEC : Smiths Power 2015 p.1 Power Distribution, Inc Oakleys Court Richmond, VA 23223

2 2.2 Compliant for: CUL Listing. 2.3 Compliant for: National Electric Code (NEC) Article 364 Busways Compliant: NEMA AB1, Molded Case Circuit Breakers and Molded Case Switches. 2.5 Compliant: NEMA KS-1, Enclosed and Miscellaneous Distribution Equipment Switches (600VAC). 2.6 Compliant: NFPA 70 National Fire Protection Agency. 3.0 SYSTEM DESCRIPTION 3.1 Electrical Requirements: 3.1a Rated system voltage: 208V, 400V, 480V, up to 600V (rating and voltage identified on plans). 3.1b Operating Frequency: 50/60 Hz. 3.1c Ampacity Rating at Full Load: (160), (225), (250), (400), (600), and (800). 3.1d Neutral Capacity: Minimum of 100% of rating (optional 150% - 160A to 800A). 3.1e Short Circuit Rating shall be: (22kAIC, up to 480V; 35kAIC, up to 480V with 400Amp rating, 42kAIC up to 480V with 600 & 800Amp rating). 3.1f Grounding: One piece aluminum housing assembly. 3.1g Conductors: Individual, isolated, and insulated. 3.1h Conductors: 3 Phase Bus, 1 Neutral Bus. 3.1i Conductors shall be silver or tin - plated copper. 3.1j Voltage Drop: Less than 3V per 100' of installed system. 3.1k Operating Temperature: 55 C rise over 40 C / 104 F with no de-rating. 3.1l Position: 100% rating for any horizontal or vertical orientation. Smiths Power 2015 p.2 Power Distribution, Inc Oakleys Court Richmond, VA 23223

3 3.2 Optional: Branch Circuit Monitoring System 3.2a Branch Circuit Monitoring System The Branch Circuit Monitoring must be integrated into the busway delivering the measurement and management of the Bus and Tap Off loads to the customer s building management system through Modbus or SNMP protocols. The BCMS option shall be integrated at the factory and shall not require any installer wiring between the End Feeds and Tap Off Boxes. The Branch Circuit Monitoring System shall be capable of monitoring and providing all power calculations for the total input power for each busway run. It is housed on the outside wall of the power input End Feed Box, and shall be able to monitor two independent sources for dual run applications. Voltage (L-L, L-N) for all Three Phases Overvoltage/Undervoltage Alarm Threshold Voltage THD Current Phase, Ground, and Neutral Minimum & Maximum Current Demand and Percent Load Current Crest Factor Warning and Alarm Threshold kw, kva, kvar, Power Factor, kwh 3.2b The Busway Branch Circuit Monitoring System shall be capable of complete integration with PDI s current Branch Circuit Monitoring System (BCMS) Hub. 3.2c Optional BCMS Hub System - this system integrates multiple BCMS devices (up to 240); these devices can be End Feed units or other equipment monitored with installed BCMS. The BCMS Hub includes these features: Modbus RTU Protocol and Modbus TCP/IP Protocol supported simultaneously 10.4" local color touchscreen monitor Embedded web server with IP addressable interface for remote monitoring Graphical representation of all devices including End Feeds, Tap Off Boxes, and other BCMS-monitored equipment with time-stamped alarm log. Software with customization features that includes exporting all points measured into Excel for owner manipulation. Real time load management information through a Modbus RTU or Modbus TCP/IP connection, or web pages. Smiths Power 2015 p.3 Power Distribution, Inc Oakleys Court Richmond, VA 23223

4 3.2d Optional 7 Color Touch Screen Monitoring Display a high-performance, 800 x 480 pixels LED backlit color LCD display with a resistive touch screen interface. It is used with the PowerWave Bus System to provide a graphic display of the detailed power parameter data for the busway. Displays shall not be mounted overhead on end feeds. Eye level display is required. There are two options: 1) End Feed Only Monitoring. 2) End Feed Plus Tap Off Box Monitoring. This monitor can be configured to display the power parameters of up to six End Feeds each with up to fifteen Tap Off Boxes a total of 96 device addresses. The monitor comes standard with Modbus RTU, Modbus TCP via Ethernet is also available as an upgrade. 3.2e This system integrates multiple BCMS devices (up to 96). Up to 6 End Feeds, and up to 15 Plug-in Tap Off units can monitored. 3.3 Optional: Isolated Ground 3.3a Optional isolated ground bus installed in the existing rail channel factory installed and tested. 3.4 Manufacturing Requirements: 3.4a All Busway, fittings and accessories shall be manufactured by Power Distribution Incorporated (PDI) or its sister companies. PDI Corporation 4200 Oakleys Court Richmond VA Smiths Power 2015 p.4 Power Distribution, Inc Oakleys Court Richmond, VA 23223

5 4.0 SUBMITTALS 4.1 Submittals shall be in accordance with specified procedures. A line by line compliance is required and deviations to the specification are to be explained. Submit shop drawing and product data for record and approval prior to shipment. 4.2 All submittals shall include construction details; dimensions, weights, clearances, connection details and component layout. Include submittals for all Tap Off units including but not limited to breaker, communication, cabling and lengths as well as Tap Off unit schedules. 4.3 All submittals shall include connection details for configurations, document the integrated BCMS option if selected, show external power wiring and connections, as well as the size and location of all conduit connections and terminations. 4.4 Submittal shall include documentation regarding, transportation, handling and installation requirements. 5.0 WARRANTY 5.1 The Busway manufacturer shall guarantee the entire system against defective material and workmanship for a period of one(1) year from installation or eighteen (18) months from shipment with optional extended warranty periods of two (2) and three (3) years. Smiths Power 2015 p.5 Power Distribution, Inc Oakleys Court Richmond, VA 23223

6 6.0 COMPONENTS 6.1 Housing Construction 6.1a Housing shall be of a single piece extruded aluminum designed to act as a 100% ground conductor. Standard lengths must include 5, 6, 10, and 12 foot. Bus bar conductor must not extend beyond the housing. 6.1b The extruded housing must accommodated the direct insertion of hanger assemblies which attach directly to the housing assembly. 6.1c Hanger assemblies shall include the option for ceiling mount, side wall mount and must not interfere or obstruct the housing opening intended for the installation of Tap Off units. 6.1d The complete assembly shall be of the continuous opening design and shall have a slotted opening on one side of the bus to accommodate the insertion of the Tap Off units. 6.1e The busway shall be constructed to allow any individual section to be removed and replaced without disruption to adjacent sections. 6.1f All the bus systems shall be finger safe IP2X rated and tested. 6.2 Conductor and Conductor Assemblies 6.2a All phase and neutral conductors shall be made of silver plated copper with a minimum of 98.9% electrical grade purity and sized to handle a minimum of 100% of the continuously rated current with ambient temperatures at or below 40 C/104 F. All conductors shall be electrically isolated from the housing using a Class H (220), C (302 0 F) fiberreinforced Glastic material with non-propagating properties. All insulators must be UL recognized. 6.2b All critical power junction points must have redundant connection points, or contact springs when relying on spring force to maintain the connection to avoid the fatigue or failure of a single spring force junction from comprising the critical load. Smiths Power 2015 p.6 Power Distribution, Inc Oakleys Court Richmond, VA 23223

7 6.3 Conductive Fittings and Components 6.3a All conductive fittings including Tees, Crosses, and Elbows etc. shall be of the same material from the same manufacturer. All insulating material shall be a Class H (220), C (302 0 F) fiber-reinforced Glastic material. All insulators must be UL recognized. 6.4 Plug-in Tap Units 6.4a Plug-in Tap Off units shall be polarity matched to the busway system. 6.4b Plug-in Tap Off units shall use (Square D or approved equal, MG Schneider circuit breakers or equal) for branch circuit protection. The breakers shall compliment AIC rating of the application. 6.4c Plug-in Tap Off units shall permit inherently safe two step insertion and removal, and shall allow mechanically securing and then energizing contact with the bus rail conductors in isolated, sequential steps. Plug-in Tap Off units shall make ground contact prior to full insertion in the bus system. The two step insertion and removal process compliments safety and change procedures at Mission Critical sites. 6.4d Plug-in Tap Off units must be able to be repositioned on busway without de-energizing the busway system. 6.4e Plug-in Tap Off units requiring a cord assembly shall be manufactured with cord grips and receptacles as specified in the drawings. 6.4f All Tap Off Boxes will be equipped to provide current/voltage information for optional Branch Circuit Monitoring System and Branch Circuit Monitoring Hub devices. When equipped with the BCMS option the Tap Off Boxes shall be plug and play. No installer wiring shall be required. Smiths Power 2015 p.7 Power Distribution, Inc Oakleys Court Richmond, VA 23223

8 7.0 INSTALLATION 7.1 Busway Runs will consist of specific factory manufactured straight lengths and fittings as shown on the approval drawings. 7.2 Suspension System Using supplied mounting hardware the busway will be hung from the ceiling using threaded rod. Contractor shall be responsible for the connections on the supporting structure. Maximum hanger spacing will be no more than 10' maximum on center see Installation Manuals for recommendations for contractor. Height and plane changes of the busway system will be evaluated and submitted prior to release of final approval drawings. 7.3 Connecting Busway Sections The installer will follow all manufacturers installation details. Specifications for the cam-operated splice joint will include the alignment of the position indicators on each joint in a straight line. The splice joints shall not have any visible sag when installed per factory instructions. 7.4 End of Runs End pieces and end caps will be provided to install at the ends of each run. 7.5 Closure Components The bottom opening of the bus system can be closed at any point along the system with the addition of the optional closure. Closure hardware can be field modified for length and fit. Smiths Power 2015 p.8 Power Distribution, Inc Oakleys Court Richmond, VA 23223