... Isiphazamisi se-Vacuum sase-China somphakeli we-low voltage circuit breaker kanye nomkhiqizi kanye nomthumeli ngaphandle |Kukhanye
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Isiphazamisi se-vacuum se-low voltage circuit breaker


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Isiphazamisi se-vacuum, esaziwa nangokuthi i-vacuum switch tube, siyingxenye eyinhloko yeswishi yamandla kagesi aphezulu aphakathi nendawo.Umsebenzi oyinhloko wesiphazamisi se-vacuum ukwenza isekethe ye-voltage ephakathi nendawo nephezulu inqamule ukunikezwa kwamandla kwegumbi lokucisha i-arc ye-vacuum yegobolondo le-ceramic ngokusebenzisa ukufakwa okuhle kakhulu kwe-vacuum ngaphakathi kweshubhu, engacisha ngokushesha i-arc futhi icindezele amandla amanje. , ukuze kugwenywe izingozi nezingozi.
Isiphazamisi se-vacuum sisebenzisa i-vacuum ephezulu ukucisha i-arc phakathi kwababili abathintwayo.Njengoba abathintwayo behlukana, imanje ligeleza endaweni encane.Kukhona ukwanda okubukhali kokumelana phakathi koxhumana nabo, futhi izinga lokushisa endaweni yokuxhumana likhuphuka ngokushesha kuze kube yilapho kuvela ukuhwamuka kwe-electrode-metal.Ngesikhathi esifanayo, inkambu kagesi iphezulu kakhulu ngaphesheya kwegebe elincane lokuxhumana.Ukuqhekeka kwegebe kukhiqiza i-vacuum arc.Njengoba i-alternating current iphoqeleka ukuba idlule ku-zero ngenxa yokumelana ne-arc, futhi igebe phakathi koxhumana nabo abalungisiwe nabahambayo liyakhula, i-plasma conductive ekhiqizwa i-arc isuka kude negebe futhi ingabi yi-conductive.Umsinga uphazamisekile.

Othintana nabo be-AMF ne-RMF banezikhala ezivunguzayo (noma ze-radial) ezisikwe ebusweni babo.Umumo wabathintwayo ukhiqiza amandla kazibuthe anyakazisa indawo ye-arc ngaphezulu koxhumana nabo, ukuze i-arc ingahlali endaweni eyodwa isikhathi eside kakhulu.I-arc isatshalaliswa ngokulinganayo endaweni yokuxhumana ukuze kugcinwe i-voltage ephansi ye-arc nokunciphisa ukuguguleka kokuthintana.
Ngemva kokuba izindawo ezingaphezulu seziqediwe futhi zahlanzwa nge-electroplating kanye nokuhlolwa kokubona kokuvumelana kwendawo yazo zonke izingxenye eyodwa sekwenziwe, isiphazamisi siyahlanganiswa.I-solder ye-vacuum ephezulu isetshenziswa ekuhlanganiseni kwezingxenye, izingxenye zihambisana, futhi iziphazamisi zilungiswa.Njengoba ukuhlanzeka ngesikhathi sokuhlanganiswa kubaluleke kakhulu, yonke imisebenzi yenziwa ngaphansi kwezimo zegumbi elihlanzekile elinesiphephetha-moya.Ngale ndlela umenzi angaqinisekisa izinga eliphezulu njalo leziphazamisi kanye nezilinganiso eziphezulu ezingafika ku-100 kA ngokuya nge-IEC/IEEE 62271-37-013.

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