'utmo' Dujvam Vacuum Switchgear

陕西卓越国际有限公司 | Updated: Jul 11, 2016
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nowadays, vacuum switchgear popularity Suq mu'tlheghmeyDaj tlhoS tam wabvetlh. qaSchoH, vIta'Qo' safely 'ej reliably Qap vacuum circuit breaker nuqDaq faulty 'ej motlh yo'SeH mI' jen be'nI'puqDaj. pa' medium voltage switchgear application, switchgear ranges vo' 3 36 vacuum kv. rewbe'mey'e' depends circuit breaker yIqaw ghaH dielectric medium arc merlu'taH lo'. vacuum switchgear tlhoS leH tlhab latlh chaH Dapon 'e' yI 'utmo' Dujvam cham.

ngIm Arc merlu'taH

during opening contacts pa' Qu'mey potlh qeng je, lIng baS vapor SabtaHbogh contacts 'ej path baS electric Qu'mey potlh taH flow until pagh veb Qu'mey potlh vegh DuHIvDI' baS vapor. wanI' je known je vacuum arc. extinguished arc pagh Qu'mey potlh DaSum 'ej conductive baS vapor re-condense contact ghor neH qelDI' cha'DIch micro. 'e' neH 1 vatlhvI' vapor re-condense arc lopta' 'oH pa'DopDaq tlhoy' 'ej 99 vatlhvI' vapor re-condensed contact ghor vo' nuqDaq vaporized 'oH.

'eS Arc HoS neH Vacuum

HoS dissipated during arc vacuum ghot tu'lu'. mej wa' tenth DotlhDaj oil 'ej wa' fourth DotlhDaj sf6 SIp. HoS dissipation rewbe'mey'e' muHIvtaHbogh 'eS interruption poH (muHIvtaHbogh mach contact gap) mach arc 'ab (ghu'vam je muHIvtaHbogh mach gap contact) 'ej 'eS. because of 'eS arc HoS dissipation, negligible contact erosion chaq vacuum switchgear 'ej tlhoS leH tlhab yIn yapnIS poH 'oH ghu'vam. je yIjunmoH 'e' ghor be Qu'mey potlh, HoS poQ vacuum circuit breaker taHtaHghach minimum jejlaw' circuit breaker 'ej oil circuit breaker.

dielectric HoS Vacuum

nob contact gap, ghot tu'lu'. mej chorgh poH puS dielectric HoS law' jejlaw' loS poH puS dielectric HoS law' sf6 SIp DeSDu' wa' tach 'ej DuHIvDI', vacuum. law' dielectric HoS mangHom, contact gap vacuum circuit breaker laH leH mach. qaStaHvIS mach contact gap, arc merlu'taH safely qIt muHIvtaHbogh jen HoS dielectric 'ej je recovery nom HoS vItlha' vacuum naQ arc interruption naQ dielectric lo'laHghach Qu'mey potlh pagh legh. vacuum switchgear chenmoH 'ach yuQmeyDaq capacitor leQ.

nap yItungHa', qaH QaQ Mechanism

qaStaHvIS sf6, oil je jejlaw' circuit breaker, highly qaD movement contacts pong highly compress medium arc pa' merlu'taH. 'ach qaStaHvIS vacuum switchgear, pagh medium, 'ej je bup movement contacts qup muHIvtaHbogh mach contacts gap, yIDoH Ha' HoS poQ yItungHa', qaH QaQ Huch law' smaller, qaStaHvIS circuit breaker. DaSovrup toH nap wepDaj-wepDaj Qap mechanism yap switchgear pat, pagh nIS hydraulic 'ej pneumatic mechanism. jen mechanical yIn vacuum switchgear nob simpler yItungHa', qaH QaQ mechanism.

from above discussion, tlhoS HuvchoH 'e' recovers dielectric HoS vacuum switchgear nom 'ej contact erosion tlhoS negligible.

Endurgjöf
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