Vacuum circuit-breaker - high duty VD4

Transcription

1 Vacuum circuit-breaker - high duty VD4 ABB Power Technologies / E

2 Vacuum circuit-breaker high duty 12 kv, A, ka 12 kv, 3150/4000 1) A, 63 ka 17.5 kv, A, 40 ka 17.5 kv, 3150/4000 1) A, 40 ka 36 kv, A, 40 ka 40.5 kv, A, 31.5 ka ABB Power Technologies/ E

3 Rated voltage 1) kv ) Rated current A /4000 3) /4000 3) ) Rated short-circuit breaking current symm. 2) ka 40 50/ Short-circuit breaking current asymm. 2) ka / Rated short-circuit making current 2) ka / / / /80 Rated short circuit duration s Dimensions p 210/275 6) 210/275 7) / /360 10) 280 H a 600/ / / / ) 895 b ) / c d e 599 8) 615.5/ ) ) 615.5/ ) ) Weight kg Embedded pole Assembled pole ABB Power Technologies/ E The switchgear complies with the following specifications in according with DIN VDE and relevant IEC publications: VDE 0670, Teil 1000 and IEC DIN VDE 0670,Teil 1 and IEC ) Test voltage according to DIN VDE 0670, part 1000, list 2 2) When the operating voltage is lower than the rated voltage, the same values apply as for rated voltage 3) 4000 A breaker only with fan cooling 4) 3150 A breaker in withdraw. version only 5) 40.5 kv breaker in withdraw. version only 6) With rated current 2500 A only pole centres 275 mm 7) With rated current > 2500 A and rated shortcircuit breaking current 63 ka only pole centres 275 mm 8) Breaker with heat-sink 616 mm 9) Breaker with heat sink 10) Pole centres 360 mm fixed version Pole centres 280 mm withdraw. version 11) 1000 mm fixed version 12) Only with fixed version

4 12 kv, A, 40 ka; p H a b c d e mm mm mm mm mm mm mm ,)2) ),2) 12 kv, A, 50 ka 17.5 kv, A, 40 ka p H a b c d e mm mm mm mm mm mm mm ) 459 8) ) kv, 3150 A / 4000 A 1),...50 ka 12 kv, A, 63 ka 17.5 kv, 3150 A / 4000 A 1),...40 ka p H a b c d e mm mm mm mm mm mm mm ) ) Shown: 12kV, 2500A, 40kA 1) Measuring point pole part 2) Pole with heat -sink 616 mm 3) Pole with heat -sink 4) Fixed version only up to 2500A 5) 40,5kV only for version on withdrawable part 6) Version on withdrawable part 7) Ausführung: Leistungsschalter als Festeinbau 8) Max. width or depth 36 kv, A 4), ka 40.5 kv 5), A, 25/31,5 ka p H a b d e mm mm mm mm mm mm 280 6) ) 686 6) ) ) 555 7) ABB Power Technologies/ E

5 VD4 vacuum circuit-breakers are well suited for switching of: short-circuit currents overhead lines under load and no-load conditions transformers under load and no-load conditions ripple control systems capacitors motors ABB Power Technologies/ E

6 1 Vacuum interrupter (principle structure ) ABB Power Technologies/ E Stem/Terminal 2 Twist protection 3 Bellow 4 Interrupter lid 5 Shield 6 Ceramic insulator 7 Shield 8 Contacts 9 Stem/Terminal 10 Interrupter lid

7 1 Embedded pole (principle structure) ABB Power Technologies/ E Upper terminal 2 Vacuum interrupter 3 Epoxy resin 4 Stem 5 Lower terminal 6 Movable contact 7 Contact force spring 8 Push rod 9 Fixing point 10 Operating mechanism connection

8 Operating mechanism VD4 - high duty (principle structure) 9 Charging lever 15 Vacuum interrupter 15.3 Switching contacts 16.2 Movable contact 17 Contact force spring 18 Insulating push rod 19 Opening spring 20 Shift lever pair 21 Cam disk 30 Drive shaft 32 Stop disk 33 Drum with spiral spring 34 Chain 50 Lever-hand control cam ABB Power Technologies/ E

9 Operating mechanism of vacuum circuit-breaker VD4 - high duty Shown: VD ABB Power Technologies/ E

10 Vacuum circuit-breaker on withdrawable part intended for indoor installation in air-insulated switchgear systems (front view) Shown: VD ABB Power Technologies/ E

11 Vacuum circuit-breaker on withdrawable part intended for indoor installation in air-insulated switchgear systems (pole view) Shown: VD ABB Power Technologies/ E

12 Vacuum circuit-breaker on truck 36 kv, A, ka 40.5 kv, A, ka Shown: VD ABB Power Technologies/ E

13 12 kv, A 1), 40 ka 1) 2500 A with heat-sink ABB Power Technologies/ E Shown: Vacuum circuit-breaker, type VD4, in embedded technique 12 kv, 2000 A, 31.5 ka 1 Upper contact terminal 2 Vacuum interrupter 3 Epoxy resin enclosure 4 Lower contact terminal 5 MC-contact 6 Piston 7 Contact force spring 8 Insulated coupling rod 9 Opening spring 10 Shift lever 11 Drive shaft 12 Release mechanism 13 Mechanism enclosure with spring operating mechanism

14 kv, 1250 A 2500 A, 50 ka 12 kv, 3150 A / 4000 A 1),...50 ka 12 kv, 1250 A 3150 A / 4000 A 1), 63 ka 17.5 kv, 1250 A 3150 A / 4000 A 1), 40 ka 1) Breaker with fan-cooling ABB Power Technologies/ E Shown: Vacuum circuit-breaker, type VD4, with assembled poles 12 kv, 2500 A, 50 ka Upper contact terminal 2 Vacuum interrupter 3 Epoxy resin enclosure 4 Lower contact terminal 5 Roller contact 6 Contact force spring 7 Insulated coupling rod 8 Opening spring 9 Shift lever 10 Drive shaft 11 Release mechanism 12 Mechanism enclosure with spring operating mechanism

15 ABB Power Technologies/ 15