Yantai Bonway Manufacturer

I-IEC indoor vacuum circuit breaker VD4
Ukusebenza okuphezulu kokuvikela
Khulisa ukukhiqiza kwakho ngezikhathi zokwehla ezincishisiwe ngomndeni womkhiqizo we-ABB ophambili wama-circuit breaker e-VD4 ukuze uthole ukuvikelwa okuyisisekelo nesesibili, ngesisekelo esifakiwe somhlaba samayunithi angaphezu kwezigidi ezingu-2 nokusebenza okuphezulu kunezinga lemakethe. Vikela impahla yakho ngesixhumi esibonakalayo esikahle, usebenzisa iphothifoliyo ebanzi yemakethe yama-circuit breaker, emboza amazinga omhlaba kanye nezilinganiso ezifanele izidingo zakho ezithile.
Ububanzi bomkhiqizo
Amasekhethi kagesi amaphakathi ane-actuator engumshini (indlela yasentwasahlobo) yokusabalalisa okuyinhloko kufika ku-46 kV, 4000 A, 63 kA.
Izinzuzo eziyinhloko
Isixazululo esisebenza ngezindlela eziningi nesinamandla phakathi kwama-medium voltage vacuum circuit breakers
Ilungele zonke izinhlelo zokusebenza (isb, ukushintshwa kwebhange le-capacitor, olwandle, i-GOST)
Ngaphezu kwezigidi ezi-2 ze-VD4 medium voltage vacuum circuit breaker efakwe emhlabeni wonke
Amakhasethi namasistimu wamamojula atholakalayo kuma-OEM nabakhi bamaphaneli ukuze bakhe izixazululo zabo
Iguquguquka ngokugcwele - kokubili ubukhulu kanye nomdwebo kagesi - nge-ABB VD4 medium voltage gas circuit breaker
I-actuator eyodwa kuphela evamile ye-plug-and-play (uhlobo lwe-EL) kusukela ku-12 kV kuya ku-36 kV enezinhlobonhlobo zezinsiza, izingidi zokuphepha nezingidi, futhi enomuzwa ofanayo womndeni wochungechunge lwe-ABB low voltage EMAX
Izimpawu ezisemqoka
Iziphazamisi zevacuum ezishumekwe ezigxotsheni ukuze zivikeleke kumswakama, ukushaqeka nothuli
I-actuator eyimojula esebenza entwasahlobo eqinisekisa ukusebenza okulula ngisho nangaphandle kokunikezwa kwezinsiza
30,000 imisebenzi yemishini ezilinganisweni eziningi
Ikalwe ngokufika ku-46 kV, 4000 A, 63 kA.

General
I-VD4 iwukuhlanganiswa kobuchwepheshe obaziwayo ekuklameni nasekwakheni iziphazamisi ze-vacuum ezishumekwe ezigxotsheni ze-resin, kanye nobuciko obuhle bokuklama, ubunjiniyela kanye nokukhiqizwa kwezinqamuli ze-voltage eziphakathi nendawo.
Ukushumeka isiphazamisi ku-resin kwenza izigxobo ze-circuit breaker ziqine ikakhulukazi futhi kuvikela isiphazamisi ekuthuthumeleni, ekunqwabeleni kothuli nokuswakama.
Isiphazamisi se-vacuum sigcina abathintwayo futhi sakha igumbi eliphazamisayo.
Ukuphazamiseka kwamanje ku-vacuum. I-vacuum circuit-breaker ayidingi i-interrupting and insulating medium. Eqinisweni, iziphazamisi aziqukethe izinto ezibonakalayo.
Kunoma yikuphi, ekuhlukaniseni othintana nabo i-arc kagesi yenziwa yenziwe kuphela ngezinto ezincibilikisiwe nezihwamukile.

I-arc kagesi ihlala isekelwe amandla angaphandle kuze kube yilapho imanje ikhanseliwe endaweni eyiziro yemvelo. Ngaleso sikhathi, ukuncipha okusheshayo kokuminyana komthwalo kanye nokufingqa ngokushesha komhwamuko wensimbi, kuholela ekululameni ngokushesha okukhulu kwezici ze-dielectric.
Ngakho-ke isiphazamisi se-vacuum sibuyisela amandla okuvikela kanye nekhono lokumelana ne-voltage yokutakula yesikhashana, sicime nakanjani i-arc.
Njengoba amandla aphezulu e-dielectric angafinyelelwa ku-vacuum, ngisho namabanga amancane, ukuphazamiseka kwesekhethi nakho kuqinisekisiwe lapho ukuhlukaniswa kwabathintwayo kwenzeka ama-millisecond ambalwa ngaphambi kokudlula kwamandla amanje ngoziro wemvelo.

Ijiyomethri ekhethekile yabathintwayo nezinto ezisetshenzisiwe, kanye nobude besikhathi esinqunyelwe kanye ne-voltage ephansi ye-arc, iqinisekisa ukugqoka okuncane kokuxhumana nokuphila isikhathi eside. Ngaphezu kwalokho, i-vacuum ivimbela i-oxidation yabo nokungcola.
Indlela yokusebenza
Isivinini esiphansi sabathintwayo, kanye nokugijima okuncishisiwe nesisindo esiphansi, kukhawulela amandla adingekayo ukuze kwenziwe umsebenzi futhi ngenxa yalokho kuqinisekisa ukuguga okulinganiselwe kakhulu kwesistimu. Ngakho-ke i-circuitbreaker idinga ukulungiswa okulinganiselwe kuphela.
Ama-circuit breaker e-VD4 asebenzisa indlela yokusebenza eyimishini, enamandla agciniwe kanye nohambo lwamahhala. Lezi zici zivumela ukuvula nokuvala imisebenzi ngaphandle komqhubi.

Isakhiwo
Indlela yokusebenza kanye nezigxobo zigxilwe kuhlaka lwensimbi oluphinde lusekele inguqulo ehleliwe ye-circuit-breaker. Isakhiwo esihlangene siqinisekisa ukuqina nokuthembeka komshini.
Ngaphandle kokuxhumana okuzihlukanisayo kanye nentambo enepulaki yokuxhuma amasekethe asizayo, inguqulo ekhishwayo igcwaliswa ngeloli ukuze ingene futhi iyikhiphe ku-switchgear noma indawo ebiyelwe ngomnyango uvaliwe.

Kusiphazamisi se-vacuum, i-arc kagesi iqala ngesikhathi sokuhlukaniswa kokuxhumana futhi igcinwa kuze kube yilapho i-zero yamanje futhi ingathonywa izinkundla kazibuthe.
I-vacuum arc - isakazwa noma inenkontileka
Ukulandela ukuhlukana kokuxhumana, amaphoyinti okuncibilika awodwa akha phezu kwendawo yonke ye-cathode, akhiqize amafu ensimbi asekela i-arc.
I-arc ye-vacuum ehlukanisiwe ibonakala ngokunwetshwa ngaphezu kwendawo yokuthintana nangokusabalaliswa okulinganayo kwengcindezi eshisayo ezindaweni zokuthintana.
Esikhathini esilinganiselwe samanje sesiphazamisi se-vacuum, i-arc kagesi ihlale iwuhlobo lokusabalalisa.
Ukuguguleka othintana naye kulinganiselwe kakhulu futhi inani leziphazamiso zamanje liphezulu kakhulu.
Njengoba inani lamanje eliphazamisekile likhuphuka (ngaphezu kwevelu elinganiselwe), i-arc kagesi ijwayele ukuguqulwa isuka ekusabalazweni iye ohlotsheni lwenkontileka, ngenxa yomphumela weHholo.
Ukuqala ku-anode, inkontileka ye-arc futhi njengoba yamanje ikhuphuka ngokuqhubekayo ivame ukuba
kuchazwe ngokucacile. Eduze nendawo ehilelekile kukhona ukwanda kwezinga lokushisa okuhambisana nokucindezeleka kokushisa kothintana naye.
Ukuvimbela ukushisa ngokweqile nokuguguleka koxhumana nabo, i-arc igcinwa ijikeleza. Ngokujikeleza kwe-arc ifana ne-conductor ehambayo lapho yamanje idlula khona.
Ijiyomethri evunguzayo ye-ABB vacuum interrupter contacts
Ijiyomethri ekhethekile yokuxhumana okuvunguzayo ikhiqiza inkambu kazibuthe eyi-radial kuzo zonke izindawo zekholomu ye-arc, egxile phezu kweziyingi zokuthintana.

Amandla kazibuthe kagesi ayazenzela futhi lokhu kusebenza ngokuzenzakalelayo, okubangela ukujikeleza kwe-arc okusheshayo eduze kwe-eksisi yokuxhumana.
Lokhu kusho ukuthi i-arc iphoqeleka ukuthi ijikeleze futhi ibandakanye indawo ebanzi kunaleyo ye-arc enenkontileka engashintshi.
Ngaphandle kokunciphisa ukucindezeleka okushisayo koxhumana nabo, konke lokhu kwenza ukuguguleka kokuxhumana kunganakwa futhi, ngaphezu kwakho konke, kuvumela inqubo yokuphazamisa ukuthi ilawulwe ngisho noma kuneziyingi ezifushane kakhulu.
Iziphazamisi ze-ABB vacuum ziyiziphazamisi zamanje eziyiziro futhi azinakuphi ukuphinda kushaye.
Ukwehliswa okusheshayo kweshaji yamanje kanye nokuminyanisa okusheshayo kwezihwamuko zensimbi ngesikhathi esisodwa noziro wamanje, kuvumela amandla aphezulu e-dielectric ukuthi abuyiselwe phakathi koxhumana nabo bokuphazamisa ngaphakathi kwama-microsecond.

Izinguqulo ezitholakalayo
Ama-circuits-breaker e-VD4 ayatholakala enguqulweni engaguquki nekhiphekayo enomshini osebenza ngaphambili.
Inguqulo ekhishwayo iyatholakala kumamojula we-UniGear ZS1/ZS3.2 kanye ne-ZS8.4, i-PowerCube ne-Powerbloc module.
Izinkambu zesicelo
Ama-circuits-breaker e-VD4 asetshenziselwa ukusatshalaliswa kwamandla okulawula nokuvikela izintambo, imigqa ephezulu, iziteshi ze-transformer kanye nokusabalalisa, ama-motor, ama-transformer, ama-generator namabhange e-capacitor.

Amazinga nezimvume
Ama-circuit breaker e-VD4 ahambisana ne-IEC 62271-100, VDE 0671 ingxenye 100, CEI 17-1 ifayela 1375
Amazinga kanye nalawo amazwe amakhulu anezimboni.
Ama-circuit breaker e-VD4 enze izivivinyo eziboniswe ngezansi futhi aqinisekisa ukuphepha nokuthembeka kwemishini esebenza kunoma yikuphi ukufakwa.
• Ukuhlolwa kohlobo: ukukhuphuka kwezinga lokushisa, ukumelana nokufakwa kwamanzi kumafrikhwensi kagesi, ukumelana nokufakwa kwamanzi lapho uqhutshwa umbani, isikhathi esifushane kanye nenani eliphakeme ukumelana namanje, ukuphila kokusebenza, amandla okwenza kanye nokuphuka kwesiyingi esifushane, kanye nokuphazamiseka kwekhebula elingalayishi.

• Ukuhlolwa komuntu ngamunye: ukuhlukaniswa kwamasekhethi amakhulu ane-voltage kumafrikhwensi kagesi, isifunda esisizayo kanye nokufakwa kwemishini yokusebenza, ukukalwa kokuphikiswa kwesekethe okuyinhloko, ukusebenza kwemishini nogesi.
Ukuphepha kwesevisi
Ngenxa yohlu oluphelele lwamalokhi emishini nawogesi, kungenzeka ukwakha i-switchgear yokusabalalisa ephephile ngama-circuitbreaker e-VD4.

Imishini yokukhiya ihloliwe ukuze kunqandwe ukusebenza okungalungile kanye nokuhlola ukufakwa ngesikhathi kuqinisekiswa ukuphepha okuphezulu komsebenzisi.

izesekeli
Ama-circuit breaker e-VD4 anohlu oluphelele lwezesekeli ukuze anelise zonke izidingo zokufakwa.
Indlela yokusebenza inobubanzi obujwayelekile bezesekeli nezingxenye ezisele okulula ukuzibona nokuhleleka.
Izesekeli zifakwe kalula kusukela ngaphambili kwe-circuit-breaker. Ukuxhumeka kukagesi kwenziwa ngezixhumi ze-plug-socket.
Ukusetshenziswa, ukugcinwa nokugcinwa kwezinsiza kulula futhi kudinga ukusetshenziswa okulinganiselwe kwezinsiza.
Indlela yokusebenza
Indlela yokusebenza iwuhlobo lwentwasahlobo yamandla agciniwe futhi isebenza ezigxotsheni ezintathu zokuqhekeza. Amandla okusebenza adingekayo agcinwa elungele ukusebenza ngokushaja isitolo samandla entwasahlobo.
Indlela yentwasahlobo yamandla agciniwe ngokuyisisekelo iqukethe isigubhu esiqukethe i-spiral spring, isistimu yokushaja, i-latching kanye nendlela yokusebenza kanye nokuxhumanisa okudlulisela amandla ezigxotsheni zokuphuka. Ngaphezu kwalokho, kunezingxenye ezengeziwe njengenjini eshajayo, ukukhishwa, amaswishi ayisizayo kanye nezilawuli namathuluzi atholakala ngaphambili kwendawo ebiyelwe yimishini.
Indlela yokusebenza ifaneleka ngokuyisisekelo ukuvala ngokuzenzakalela futhi, ngenxa yezikhathi zokushaja ezimfushane, nokuvala kabusha okuzenzakalelayo kwamashothi amaningi.
I-generator breaker inesistimu yokubambezeleka komshini eyakhelwe ngaphakathi lapho isikhathi sokuvula sinwetshwa cishe nge-approx. 30 ms.
Kunguqulo eyisisekelo ye-circuit-breaker, isitolo samandla entwasahlobo sikhokhiswa ngesandla. Indlela yokusebenza ingafakwa ngokuzithandela injini yokushaja.

Ukukhishwa kwe-shunt ON kusetshenziselwa ukuvala okulawulwa kude kwe-circuitbreaker. I-axiliary switch BS1(S1) inika amandla ukukhululwa lapho intwasahlobo ishajwa. I-axiliary switch BB1( S3) isetshenziselwa ukunqanyulwa. Zombili ziyadingeka futhi zifakiwe kububanzi bokunikezwa. Ukukhishwa kungokuzithandela kuma-breaker anezindlela zokusebenza ezenziwa mathupha futhi afakwe kububanzi bokuphakela ama-breaker anamamotho ashajayo.
Ububanzi bokunikezwa kokukhishwa okuvalayo kufaka phakathi i-antipumping relay -K0. I-antipumping relay ivimbela ukuvala nokuvula imijikelezo ephindaphindiwe lapho, isibonelo, i-circuit-breaker ikhubeka ngokudluliselwa kokuvikela ekuphenduleni iphutha eliyinhloko lesifunda futhi umyalo wokuvala ugesi unomphela usebenza ngesikhathi esifanayo. Ukuvalwa kwe-circuit-breaker kuvulwa amandla futhi kuphela lapho umyalo wokuvala osebenzayo uphazamisekile.

Uma i-de-energized, i-blocking magnet ivimbela ukuvala i-circuitbreaker. I-voltage kumele isetshenziswe kuzibuthe ovimbayo okungenani okungu-100 ms ngaphambi komyalo wokuvala. I-Axiliary switch -BL1(-S2) iyadingeka futhi ifakiwe kububanzi bokunikezwa.