Air-insulated switchgear UniGear type ZS1

Transcription

1 Air-insulated switchgear UniGear type ZS1 ABB Power Technologies / D

2 Air-insulated switchgear UniGear type ZS1 ABB Power Technologies / D

3 Rated voltage kv Rated current of the main busbars A Rated current of Circuit breaker panel A Rated short-time withstand current ka Peak withstand current ka ABB Power Technologies / D Width mm 650/800/ /800/ /1000 Height mm Height with gas duct mm Dept mm 1300/ /

4 Basic structure A 2 4 Compartments: 1 Circuit-breaker 2 Busbar 3 Cable 4 Auxiliary B C D 1 3 E F Main components: A Busbar system B Bushings C Current Transformer or Combi Sensor D Voltage Transformer E Earthing switch ABB Power Technologies / D F Cable connectors

5 Designed for: Flexible applications Complete range of apparatus: VD4, VM1, HD4, V-Contact Operation and safety Front, rear and sides arc resistance Closed doors racking Metallic shutters, connected to earth Metallic segregation of all the compartments Maintenance simplicity Front service operations Front access to all components ABB Power Technologies / D

6 Apparatus Vacuum circuit-breakers VD4 vacuum circuit-breakers with spring actuator Circuit-breakers for all fields of power distribution applications. Even distribution of the melting points over the whole surface of the contacts means the best performances can be obtained at all current values. The epoxy resin poles protect the interrupters from any physical and electrical damage. ABB Power Technologies / D

7 Apparatus Vacuum circuit-breakers VM1 vacuum circuit-breakers with magnetic actuator The vacuum circuit-breakers can also be equipped with the magnetic actuator operating mechanism. The switching, latching and release functions are integrated in the magnetic actuator. All the functions (release, operating, motion, energy storage and check the functional reliability) are operated by the integrated electronic controller. ABB Power Technologies / D Equipped with multi-voltage power-supply.

8 Apparatus SF 6 circuit-breakers HD4 SF 6 circuit-breakers Circuit-breakers for all fields of power distribution applications. Pole in SF 6 with autopuffer breaking system. The combination of compression and self-blast techniques means the best performances can be obtained at all current values. Withstanding of the insulation voltage and breaking capacity up to 30% of the rated breaking capacity even at zero relative pressure. The poles can be fitted with gas pressure control device. ABB Power Technologies / D

9 Apparatus Vacuum contactors V-Contact vacuum contactor Optimal solution for motor starters, power-factor correction capacitor banks and transformer feeders up to 12 kv. Fitted with medium voltage fuses according to DIN and BS Standards. Possibility of integrating a single-phase voltage transformer to supply the control circuits. Availability of operating mechanism with electrical or mechanical latching. ABB Power Technologies / D Equipped with multi-voltage power-supply.

10 Bushings Main characteristics Single phase type Compact and robust solution Self-supporting branches fixing base Branch connector slot 2 Fixed contacts 3 Circuit-breaker slot ABB Power Technologies /

11 CB compartment open VTs compartment open Shutters Main characteristics Metallic shutters Connected to earth Automatically operated by the truck Optional padlocks ABB Power Technologies / closed closed

12 Cables connections Main characteristics Conventional AIS cable connectors Up to 6 cables per phase Single or three cores cables Up to 630 mm 2 conductor cross section Cable area easily accessible from the front ABB Power Technologies / D

13 Both conventional transformers and sensors technologies The use of sensors gives the following advantages High accuracy and linearity Large dynamic range Low temperature coefficient No saturation No iron-resonance Compact and cost effective solution ABB Power Technologies / D

14 Current transformers ( A) Dimensions according to DIN standard Narrow Type. Electrical characteristics according to IEC One set per phase, Medium or Long size (up to 3 or 5 cores). ABB Power Technologies / D

15 Current transformers ( A) Ring-core Type. Electrical characteristics according to IEC One set per phase. ABB Power Technologies / D

16 Voltage transformers Dimensions according to DIN standard Narrow Type. Electrical characteristics according to IEC Type Fixed Withdrawable with fuses ABB Power Technologies / D

17 Current and voltage sensors ( A) Main characteristics: Dimensions according to DIN standard Narrow Type. Current sensors compliant with IEC / CDV. Voltage sensors compliant with IEC In the combi-sensors both current and voltage sensors are integrated in the same compact cast resin part. Current sensor is based on a Rogowski coil. Voltage sensor is based on a resistive divider. Also a capacitive divider for voltage indication is included. ABB Power Technologies / D

18 Active arc protection system Fast Recovery Device based on pressure sensors for internal arc detecting and quenching. Main characteristics: ABB Power Technologies / D Limit the duration of arcing to a maximum of 100 ms. Minimize the damage caused by arcing. Fault area selective control. Pressure sensors trip directly CB. Sensors mounted in the auxiliary compartment. Pressure sensors testing under service conditions. Pressure sensors

19 REF542 plus Main features Protection Measurement Control Signaling Interlock Automation Communication ABB Power Technologies / D

20 ABB Power Technologies / 20