ISINGENISO SE-FUSE YE-VOLTAGE EZIPHEZULU

Ama-fuse ane-voltage ephezulungokuvamile asetshenziswa kumagridi kagesi amancane ane-voltage engaphansi kuka-35kV. Uma kwenzeka ukugcwala ngokweqile noma i-short circuit ohlelweni, ukuncibilika kuyapheshulwa ngenxa yokushisa ngokweqile, ngaleyo ndlela kunqunywe umugqa futhi kuvikelwe igridi yamandla kanye nemishini kagesi. Isimiso sayo sokusebenza sifana nesama-fuse ane-voltage ephansi. Ama-fuse ayafana.
Ama-fuse ane-voltage ephezulu ahlukaniswe izinhlobo ezimbili: ukukhawulela ugesi kanye nokuwa. Incazelo yokukhawulela ugesi iwukukhawulela ugesi we-short-circuit ukuze ufinyelele inani eliphezulu, ngaleyo ndlela uphule ugesi ngenani elithile ngaphambi kwenani eliphezulu logesi we-short-circuit, kanye nokunciphisa ukulimala kogesi we-short-circuit kulayini kanye nemishini kagesi.

1. Isingeniso se-drop fuse
Insika yokuvikela idlala indima yokufaka, ukuqinisa kanye nokuvikela, kanti izinto zenziwe nge-ceramic. Ishubhu yokuncibilikisa idlala indima yokuvikela kanye nokucima i-arc. Ingqimba yangaphandle yenziwe ngeshubhu lephepha le-phenolic noma ishubhu lendwangu yengilazi ye-epoxy, kanti ungqimba lwangaphakathi lwenziwe ngezinto ezikhiqiza igesi njengeshubhu lephepha lensimbi noma ishubhu lephepha le-shellac. Zombili iziphetho zeshubhu yokuncibilikisa ziyizixhumanisi eziphezulu nezingezansi. Ukuncibilika kudlula ngeshubhu yokuncibilikisa, umkhawulo owodwa uqiniswe koxhumana naye ongezansi, omunye umkhawulo uqiniswe epuletini lokucindezela elingazungeza i-axis, futhi ipuleti lokucindezela licindezelwa eshidini lensimbi yesipilingi ukuze kwakheke ukuxhumana okuphezulu. Ishubhu yokuhlanganisa iqiniswe phakathi kwesekelo sensimbi kanye ne-duckbill. Uma uyifaka, yenza ishubhu le-fuse kanye nomugqa oqondile kube yi-engeli engu-30°. Ngemva kokuba ukuncibilika kuhlanganisiwe, ipuleti lokucindezela lijikeleza ngokwewashi lizungeze ishafu ngaphansi kwesenzo sesipilingi, ukuxhumana okuphezulu kuyashelela olimini lwesivalo se-duckbill, futhi ishubhu le-fuse lijikeleza ngokuphambene newashi lizungeze ishafu 3 ngamandla alo adonsela phansi, lilenga libheke phansi ekusekeleni, futhi kuthiwa liyawa. Ngemva kokuba ukuncibilika sekupheshulwe futhi kukhiqizwe i-arc,
Ukushisa kwe-arc kwenza izinto ezisodongeni lwangaphakathi lwe-melting tube zikhiqize igesi, ingcindezi ebhobhini iyakhuphuka, igesi ikhishwa ngesivinini esikhulu, bese i-arc ishaywa ngobude, bese i-arc icima lapho ugesi uwela ku-zero.
Ngemva kokuba ithubhu le-fuse liwile, susa ithubhu le-fuse ngenduku ye-insulating hook bese ulifaka i-melting entsha. Ngemva kokuba iphutha selisusiwe, cindezela ithubhu le-fuse liye endaweni yokuvala.
I-fuse ilula ngesakhiwo futhi ayibizi kakhulu. Inkinga ukuthi ugesi oqhekekayo mncane, futhi uma ukuncibilika kushaywa, ilangabi kanye nezinsalela zensimbi kuyafuthwa kusuka epayipini le-fuse kuye emaphethelweni womabili.

2. Isingeniso sei-fuse ekhawulela ugesi
Intambo yethusi efakwe isiliva isetshenziswa njenge-fuse futhi iboshwe ngokuhambisanayo enkabeni ye-ceramic ukuze kwakheke ukuncibilika konke. I-fuse ihlanganiswe ngamabhola e-tin, okusebenzisa umphumela we-metallurgical, ongathuthukisa inkinga yokuthi izinga lokushisa lokuxhumana likhuphuka kakhulu lapho ugesi ogcwele uphansi, kanti i-tin. Ibhola alinawo umthelela omkhulu ekuphuleni i-short circuit, ngoba isikhathi se-short circuit sifushane kakhulu. I-fuse yenziwe ngezinto ze-ceramic futhi igcwele isihlabathi se-quartz njengesigcwalisi. Zombili iziphetho ze-fuse tube ziyizigqoko zethusi njengezinto ezixhumana nazo.
Uma ukuncibilika kungaphansi kwesenzo somsinga wephutha, kuqala kuyahlangana, bese igebe elincane liqhekeka ukuze kukhiqizwe i-arc, bese igebe likhuliswa kancane kancane bese kwenzeka inqubo yokuqhekeka, kuze kube yilapho i-voltage yokutakula ingasabangela ukuthi igebe liqhekeke futhi umugqa unqunywe. Ngenxa yomphumela onamandla wokuhlukana kwesihlabathi se-quartz, umsinga we-short-circuit uyanqunywa noma unqunyelwe ngaphambi kokufinyelela inani eliphakeme, ngakho-ke ubizwa ngokuthi i-fuse ekhawulela umsinga.
Laphoi-fuse ekhawulela yamanjeuma inqamula umugqa, i-arc iyacinywa epayipini le-fuse elivaliwe, futhi isetshenziswa kabanzi kumadivayisi okusabalalisa amandla angaphakathi. Ngenxa yomphumela wamanje wokukhawulela, izidingo zokuqina okuguquguqukayo nokushisa kwemishini kagesi eseketheni ziyancishiswa.