AUTOMATIC TRANSFER SWITCH

Transcription

1 IEC SERIES FLOOR STANDING AUTOMATIC TRANSFER SWITCH The IEC Series transfer switch is preconfigured for applications requiring the robustness and ease of operation found in a full feature CIRCUIT BREAKER type transfer switch. ATS are equipped with a microprocessor panel, which controls the operation and displays the status of the transfer switch s position, timers and available sources. The embedded digital controller offers high reliability and ease of unattended operation across a range of most demanded load transfer applications. FEATURES Ratings 1000 to 6300 amps 3 or 4 poles 50 or 60Hz up to 600V AC Circuit breaker type. High transfer speed Standard open transition IEC and IEC listed ISO 9001 manufactured CE or GOST certification. Designed for emergency and standby applications Easy to use and Intuitive settings PERFORMANCE FEATURES Electrically and mechanically interlocked Automatic and manual operation. Equipped with Electronic Controller. DESIGN AND CONSTRUCTION FEATURES 3 phase sensing on both sources Adjustable voltage and frequency settings Test switch (fast test/load/no load) to simulate normal source failure. Form 1 floor standing steel panel. Lockable doors Bottom cable entry Front access Type tested panels & bus bar Copper bus bar connections Optional withdrawable Circuit Breaker disconnect for safe maintenance Components accessible for inspection and maintenance Microprocessor Based controller. Caterpillar Solutions warranty. 1

2 THE IEC SERIES OF AUTOMATIC TRANSFER SWITCHES (ATS) This ATS is the result of the association of the best key components for a transfer switch 1. Full rated Circuit Breakers 2. Type tested steel electrical panels 3. Microcontroller based logic device The transfer switches are assembled and tested in an ISO 9001 certified facility. ATS Technical Data Max voltage 600V AC Amps Ratings 1000A, 1250A, 1600A, 2000A, 2500A, 3200A, 4000A, 5000A and 6300A Cooling Natural Ambient 0-40C (Optional 50C) IP rating IP54 Color /paint RAL 7035 /epoxy polyester Separations Form 1 Standards and Certifications IEC IEC/EN AC1 ISO 9001 Quality System Registered CE certification. Optional GOST certification 2

3 ATS Description Circuit breakers ABB, Siemens or similar power interrupters IEC/EN AC1 listed Optional Tripping units will convert the interrupters into protection capable circuit breakers. This is a quite cost saving feature when the ATS is located close to the generator set. It performs then the generator protection and the switch function, avoiding double cost. Steel Electrical panels and bus bar systems. Type-tested bus bar systems The type-tested bus bar systems consist of standard components and cover a range up to 8750 amps. The systems are tested by KEMA and ASTA according to IEC/EN to a short circuit level of 120 ka for 1 sec. and a peak withstand current of max. 264kA. The bus bar sections are easily assembled in templates and fitted into the panel. With specially developed assembly bolt, it is not necessary to drill holes or cut threads. The assembly bolt allows for an adjustable connection, exactly where it is needed on the bus bar holders. All bus bar joints are designated as maintenance-free according to DIN The bus bar systems are easy to install in the panel assembly. Standard inserts are available for all kinds of circuit breakers/switches on the market. Type-tested connections are ensured through the use of patented flexible copper conductors, which easily adapt to the various components makes. All inserts are constructed with much built-in functionality for rational workshop installation and thus increased competitiveness. 3

4 CATERPILLAR pays much attention to both personal safety and operational dependability and therefore, selects good tested according to the market demand, such as earthquake test, shock test and arcing test. Type-tested steel panel systems The steel panels modular system is based on a concept of standard modules for the construction of electrical panels. It is possible to construct an enclosure using a relatively few standard parts and components. The versatility of the modular system makes it easy and quick to assemble and install electrical panels as well as to extend and/or modify existing enclosures. These panels are all tested and/or type approved by several of the world s most recognized test laboratories. Furthermore, the panels are certified according to the norms in ISO Cubicle Technical data Technical specification data Material: Electro-galvanized / iron-phosphated steel plate Colour: Light grey, RAL7035, powder lacquered m Neutral Supply systems TN-C, TN-S, TN-C-S, TT and IT Internal separation: FORM 1, 2a, 2b, 3a, 3b, 4a, 4b FORM 4, type 1-7 Icc up to 120 ka Electro-magnetic compatibility: EMC environment 1, 2 and # 1 and 2 Type test: According to IEC/EN Rated current: Up to 8750 amps Dielectric properties: 3.5 kv Rated peak withstand current Up to 264 ka Rated short-time withstand current: Up to 120 ka Rated voltage, insulation: 1000 V AC Rated operational voltage: Up to 1000 V, 50 Hz Degree of protection: IP54 Vibration test: 2 G in frequency area Hz in three directions Shock test: 30 G in 12.5 ms in six directions Seismic test: Earthquake test carried out with biaxial horizontal and vertical multi-frequency movements Arcing test: Type B assembly according to IEC as well as to AS/NZS Surface treatment: Tropical test ISO 6270, class C2 high, according to ISO

5 ATS Logic Controller The Circuit Breaker type transfer switch makes use of a fully prograable configurable microprocessor-based controller to allow the utmost in application flexibility. Further, the controller is offered in a wide array of configurations enabling it to meet the needs of even the most highly critical load. Time Delay Normal to Emergency (TDNE) Time Delay Engine Start (TDES) Time Delay Emergency to Normal (TDEN) Time Delay Engine Cool-down (TDEC) All Phase Under / Over voltage Sensing Under/Over frequency Sensing Plant Exerciser Pre-transfer Signal Output Pre-exerciser Signal Output Transfer Fail Alarm Signal Output Fail Alarm On Display range : 0 ~ 300 sec range : 0 ~ 30 sec range : 0 ~ 300 sec range : 0 ~ 300 sec 280VAC ~ 370VAC 390VAC ~ 480VAC range : 40Hz ~ 59Hz range : 51Hz ~ 70Hz once per week range : 1 ~ 99 sec. range : 1 ~ 99 sec. ATS controller front and back view 5

6 ATS Architecture The standard ATS architecture is the vertical one described below. This configuration allows front access and bottom cable entry for source incomers and load feeder. Genset Load Grid Standard architecture Other architectures are available upon request 6

7 Options The IEC series ATS is offered with the below optional features. Tripping unit This option elegantly adds an electronic tripping device to one of the air circuit breakers. The tripping unit is the ABB electronic PR122 LSI type or equivalent. Using this option one can perform 50 and 51 ANSI protection with the ATS. One can add the protection to one or to both source sides of the ATS. If the unit is needed on both sides, please add the option twice. Please select the appropriate option of 3 or 4 poles. Withdrawable breaker This option converts a fixed circuit breaker in a withdrawable one. It adds a compatible drawer to the cabinet. Using this option one can easily perform service visits of the ATS Manual and visible lockout functions with the ATS. One can add the protection to one or to both source sides of the ATS. If option is needed on both sides, please add the option twice. Please select the appropriate option of 3 or 4 poles. Power monitor Display Displays kw, kvar, Amps, Volts phase-phase, phase-neutral and more. Class 0.5s for measurement and metering according to IEC The power monitor provides effective solutions for network monitoring, installation sizing, energy management and electrical network quality measurement. One can add the device on one or on both source sides of the ATS. If both side is needed please add the option twice. Relay logic. The relay logic is a classic relay type control of the ATS. It replaces the electronic controller ATS380. This option is useful in rare applications where electronic controller is not acceptable. Generator Set Auxiliaries power feeders. Provides feeder protection for jacket water heater, space heater and battery charger. 230V or 400V depending on configuration. GOST certification. 7

8 Dimensions 3 Poles Amps Rating B A C Weight kg ATS A ATS A ATS A ATS A ATS A ATS A ATS A ATS A ATS A Poles Amps Rating B A C Weight kg ATS A ATS A ATS A ATS A ATS A ATS A ATS A ATS A ATS A The above dimensions are based on bottom cable entry and front access. The ATS can adapt to different site configuration. Please ask your CATERPILLAR Territory Manager or the Geneva solution group Caterpillar All Rights Reserved. CAT, CATERPILLAR, their respective logos and Caterpillar Yellow, ACERT, ADEM, as well as corporate and product identity used herein are trademarks of Caterpillar and may not be used without permission. Version 1.2 Aug Ref. DCQ