comparison DuqIppu'chugh Vacuum sf6 circuit breaker

陕西卓越国际有限公司 | Updated: Jul 04, 2016
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vacuum circuit breaker

pa' Vacuum circuit breaker, lo' vacuum interrupters breaking 'ej load chenmoH 'ej pIch Qu'mey potlh. HeghDI' chev qaStaHvIS vacuum interrupter contacts, baS vapour arc discharge tagh 'ej flows vegh plasma until pagh veb Qu'mey potlh Qu'mey potlh qagh.

vaj extinguished arc je baS ghor 'emvo' qelDI' cha'DIch micro condenses conductive baS vapour. Hoch ghot'e' chen dielectric HoS neH breaker tlhoS tam wabvetlh.

sf6 SIp Circuit Breaker

qaStaHvIS sf6 circuit-breaker, flow qaSpu'DI' sf6 SIp ionized contact separation arc consists plasma vegh taH Qu'mey potlh. Hoch nI' law' meQ 'oH, subjected arc choHbe' mIw vIHechbogh flow wanI' tlhaQ tuj extracts vo' 'oH nuq'e'. extinguished arc legh Qu'mey potlh pagh, HeghDI' extracted bIrchoHmeH pong pum Qu'mey potlh. tagha' contact gap de-ionises taH flow SIp 'ej Hoch dielectric HoS poQ 'elqa' mup bot cher.

1 raS.Qo'noS characteristics sf6 'ej vacuum Qu'mey potlh cham qagh.


sf6 circuit breakers

vacuum circuit breakers

criterion

puffer circuit breaker

circuit-breaker self-pressuring

Hap 'u'-Chrome-Copper contact

HoS requirements 'or

Qap HoS requirements jen, mo' HoS SIp compress nIS vISawchoHmeH supply mechanism.

Qap HoS requirements 'eS, mo' neH relatively mach MaQa' ghob'e' vIH mechanism DeSDu' moderate speed, rIn ngaj chuq. SIp flow chenmoH HoS DuHIvDI' wej ghaj mechanism

Qap HoS requirements 'eS, mo' neH relatively mach MaQa' ghob'e' vIH mechanism DeSDu' moderate speed, rIn ngaj chuq.

arc HoS

because of jen conductivity pa' sf6 SIp arc, arc HoS 'eS. (arc voltage yav 150 200v je jojDaq.)

because of qubchugh voltage across baS vapour arc, HoS qubchugh. (arc voltage DuqIppu'chugh 50 100v.)

Erosion contact

muHIvtaHbogh HoS 'eS contact erosion mach.

muHIvtaHbogh HoS qubchugh arc. contact re-condenses ngIm movement arc 'oQqar rIn contact je ngoD 'e' vapour HochHom baS, contact erosion extremely mach.

arc media extinguishing

pov dielectric 'ej arc bang merlu'taH ghaj SuvwI' sf6 gaseous medium. qaSpu'DI' arc extinction, recombine dissociate SIp molecules tlhoS wabmeyvetlh reform sf6. 'e' practically qaS pagh loss ghap consumption merlu'taH medium qej ghu'vam. laH SoHvaD simply 'ej permanently supervised SIp joH rop. wej nIS Qap nuqDaq ngaQ interrupters yIn.

poQlu' pagh Saturjaj extinguish medium. vacuum DeSDu' joH rop 10-7 yo'a'neS Hajmo' tach joq qup tlhoS ideal extinguish medium. ngaQ interrupters yIn vaj 'e' supervision vacuum 'oHbe' poQ.

leQ behavior in relation to Qu'mey potlh chopping

joH rop build-up 'ej vaj SIp flow tlhab Qu'mey potlh nIv. cooled yIteb pagh mach Qu'mey potlh je rap intensity. vaj vay', qagh neH mach nIv jenwI' Se', transient Qu'mey potlh. ruch de-ionization contact gap tlhoS tam wabvetlh, muHIvtaHbogh electro-negative characteristic sf6 SIp arc products je.

joH rop build-up 'ej vaj SIp flow dependent HuvHa' Qu'mey potlh qagh nIv. mach Qu'mey potlh cooled jay', Qu'mey potlh yIteb yISeH. vISovbe', je Sa' qagh jenwI' Se' transient Qu'mey potlh. ruch de-ionization contact gap tlhoS tam wabvetlh muHIvtaHbogh electro-negative characteristic sf6 SIp products je.

pagh flow extinguish medium vacuum arc extinguish nIS. Hoch Qu'mey potlh interruption ensures extremely ngIm de-ionization contact gap jotlhmeH yIteb pagh mach. laH qagh jenwI' Se' transient Qu'mey potlh. qIlmeH pIj chop Qu'mey potlh nIv pong Segh contact Hap 'u' lo'. alloy contact chrome presence je vacuum je.

Qo'. yo'SeH short-circuit

10—50

10—50

30—100

Qo'. naQ load yo'SeH

5000—10000

5000—10000

10000—20000

Qo'. mechanical yo'SeH

5000—20000

5000—20000

10000—30000

table2.comparison sf6 Vacuum cham in relation to Operational Aspects je

criterion

sf6 Breaker

vacuum circuit breaker

summate Qu'mey potlh cumulative

10-50 poH yopwaH bID circuit rated Qu'mey potlh

30-100 poH yopwaH bID circuit rated Qu'mey potlh

Qu'mey potlh capacity interrupter ghor

5000-10000 poH

10000-20000 poH

mechanical Qap yIn

5000-20000 [taH-Qu'vatlh yo'SeH

10000-30000 [taH-Qu'vatlh yo'SeH

pa' leH yo'SeH pagh

5000-20000 [taH-Qu'vatlh yo'SeH

10000-30000 [taH-Qu'vatlh yo'SeH

poH interval SabtaHbogh Mechanism chavmoH

5-10 DIS

5-10 DIS

outlay leH

'e' qach'a' cost, 'eS cost Hap 'u'

'eS cost 'e', jenwI' cost Hap 'u'

reliability

jen

jen

HoS contact gap withstand dielectric

jen

jen

table3.comparison sf6 'ej cham leQ in relation to Applications leQ Vacuum

criterion

sf6 circuit breaker

vacuum circuit breaker

leQ yopwaH bID circuit je jen dc 'ay' Qu'mey potlh

DaHIjba'

DaHIjba'

leQ yopwaH bID circuit je jen rrv Qu'mey potlh

DaHIjba' bopummeH be je (rrv > 1-2 kv per milli cha'DIch

SoHvaD DaHIjba'

leQ transformers

DaHIjba'.

DaHIjba'

leQ woj choHwI'

DaHIjba'

DaHIjba'. mIw tlhap HeghDI' Qu'mey potlh < 600a. rIn voltage muHIvtaHbogh Qu'mey potlh chopping webqu'meH nov

leQ capacitors

DaHIjba'. 'elqa' mup tlhab

DaHIjba'. 'elqa' mup tlhab

leQ capacitors Dub Dub

suited. qaStaHvIS 'op cases Qu'mey potlh SoQmoHta' poQ inrush Qu'mey potlh vuS vuS

suited. qaStaHvIS 'op cases Qu'mey potlh SoQmoHta' poQ inrush Qu'mey potlh vuS vuS

leQ arc furnace

vuS yo'SeH yuQmeyDaq

DaHIjba'. Qo'noS mIw SuD vuS rIn voltage.


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