Tabbatar da Masu Hulɗar Da'ira
Mai Katse Wutar Lantarki (Circuit Breaker) babbar na'ura ce a cikin tsarin wutar lantarki da ake amfani da shi don karewa da sarrafa da'irori. Yana iya rufewa, ɗaukar kaya da karya wutar lantarki a ƙarƙashin yanayi na yau da kullun ko na matsala. Ayyukansa na asali sun haɗa da kariyar wuce gona da iri, kariyar da'ira ta gajere, kariyar ƙarancin wutar lantarki, da sauransu. Yana daidai da haɗakar fiyus da na'urorin watsa zafi na sama da ƙasa da wutar lantarki, amma yana da aminci mafi girma da kuma sake amfani da shi.

Babban sigogin halaye
Ƙarfin wutar lantarki mai ƙima (Ue): Mafi girman ƙarfin lantarki da mai karya da'ira ke aiki akai-akai, kamar 220V, 380V, da sauransu. 37

Matsakaicin ƙarfin lantarki (A): Matsakaicin ƙimar ƙarfin lantarki da za a iya ɗauka lafiya cikin dogon lokaci, wanda dole ne ya fi ƙarfin wutar lantarki na da'irar girma da kashi 35%.

Ƙarfin Karya (Icu/Ics): Ƙarfin karya na gajeren zango (Icu) yana nufin ikon karya matsakaicin wutar lantarki ta gajeren zango a lokaci guda. Ƙarfin karya na aiki (Ics) yana nufin iyakar wutar lantarki da har yanzu ana iya amfani da ita bayan karyewa. Gabaɗaya, masu karya da'irar firam suna buƙatar Ics ≥50%Icu, kuma masu karya da'irar firam ɗin da aka ƙera suna buƙatar Ics ≥25% ICU.

Wutar lantarki mai jure wa ɗan gajeren lokaci (Icw): Ikon mai karya da'ira don jure wa ɗan gajeren lokaci a cikin wani takamaiman lokaci ba tare da lalacewa ba.

Ii. Rarraba Masu Katse Da'ira
1. Ta hanyar matakin ƙarfin lantarki
Masu katse wutar lantarki mai ƙarfin lantarki mai yawa: Ana amfani da su a tsarin 3kV zuwa sama. Kayayyakin kashe wutar lantarki da aka saba amfani da su sun haɗa da sulfur hexafluoride (SF6), injin tsotsa, mai, da sauransu. 4

An rarraba na'urorin katse wutar lantarki masu ƙarancin ƙarfin lantarki zuwa nau'i uku: nau'in firam (ACB), nau'in akwati da aka yi da molded (MCCB), da ƙaramin nau'in (MCB). 57.

2. Ta hanyar tsari da aikace-aikace
Na'urar karya da'ira ta nau'in firam (ACB)
Matsakaicin wutar lantarki: 200A zuwa 6300A, an sanye shi da kariya mai matakai huɗu (jinkirin dogon lokaci, jinkiri na ɗan lokaci, nan take, da kuma matsalar ƙasa), galibi ana amfani da shi don kare manyan maɓallan wuta a cikin tsarin rarrabawa ko kayan aiki masu girma.

Mai karya da'irar akwati (MCCB)
Tsarin ƙarami, wanda aka ƙididdige shi daga 10A zuwa 1600A na yanzu, ya dace da kariyar da'irar reshe. MCCB na lantarki yana goyan bayan kariyar zaɓi, kuma wasu samfuran suna da aikin haɗin gwiwa na yanki 57.

Ƙaramin Mai Kare Da'ira (MCB)
Ana amfani da shi a cikin da'irori masu ƙarfi waɗanda ba su wuce 125A ba (kamar na gida da na kasuwanci), waɗanda ake samu a cikin ƙayyadaddun bayanai na 1P zuwa 4P, kuma yana goyan bayan ɗaukar kaya, gajeriyar da'ira da kariyar zubewa.

3. Fasahar kashe gobara ta danna baka
Injin kashe wutar lantarki: Kashe wutar lantarki cikin sauri, tsawon rai, ya dace da yanayin aiki akai-akai 4.

Mai karya da'ira na SF6: Yana da kyakkyawan aikin rufewa da kuma kashe wutar lantarki kuma galibi ana amfani da shi a tsarin wutar lantarki mai ƙarfi. Ana buƙatar a riƙa gwada tsarkin iskar gas akai-akai.

Iii. Ka'idoji don Zaɓin Mai Katse Da'ira
Sigogi na da'irar daidaitawa
Ƙarfin wutar lantarki mai ƙima ≥ ƙarfin lantarki na layi, ƙarfin wutar lantarki mai ƙima ≥ matsakaicin ƙarfin wutar lantarki, ƙarfin karyewa ≥ ana sa ran wutar lantarki mai gajeren zango 57.

Daidaita nau'in kaya
Kariyar mota tana buƙatar la'akari da wutar lantarki (ƙimar saitin tafiya nan take shine sau 1.35 zuwa 1.7 na wutar lantarki). Da'irar hasken tana ɗaukar wutar lantarki sau shida na 78.

Zaɓin haɗin kai
Masu katsewar da'ira ta sama da ta ƙasa suna buƙatar biyan bambancin lokaci (kamar bambancin aiki na ɗan gajeren lokaci ≥0.1s) da bambancin halin yanzu (ƙarshen aikin matakin sama ≥ sau 1.2 na matakin ƙasa) don guje wa faɗuwa a matakin da ya wuce kima.

Daidaitawar Muhalli
Ga yanayin yanayi mai tsayi, danshi ko zafi mai yawa, ya kamata a zaɓi samfura na musamman kuma a daidaita wutar lantarki mai ƙima (ana buƙatar rage ƙarfin aiki idan zafin ya wuce 40℃). 13.

iv. Gwaji da Kula da Masu Katse Wutar Lantarki
Muhimman abubuwan gwaji
Juriyar hulɗar da ba ta canzawa/mai canzawa: Gano asarar hulɗar da ba ta canzawa 12.

Binciken halayen injina: Lokacin buɗewa da rufewa, gudu da kuma lokaci ɗaya 14.

Aikin rufewa: Jure gwajin ƙarfin lantarki, gano digirin injin (don masu fasa da'irar injin) 14.

Tabbatar da aikin kariya: Daidaita nauyin kaya da ƙimar aiki na ɗan gajeren lokaci 8.

Muhimman abubuwan kulawa
Dubawa akai-akai: Matsi na iskar gas (mai karya da'ira ta SF6), cirewar lamba, man shafawa na inji 48.

Gwaje-gwajen rigakafi: An yi su ne bisa ga ƙa'idodi kamar GB/T 1984 da GB 14048, sau ɗaya a kowace shekara 1 zuwa 3.

Kula da matsala: Idan akwai ƙarancin mai, zafi fiye da kima ko fashewa, ana buƙatar keɓewa cikin gaggawa kuma ya kamata a binciki matsalolin da ke tattare da tsarin hulɗa ko kashe wutar lantarki. 4.

V. Binciken Matsalolin da Aka Fi So
Bambanci tsakanin mai warware da'ira da kuma mai cire haɗin
Ana amfani da na'urar yanke wutar lantarki (QS) ne kawai don ware wutar lantarki kuma ba ta da ikon kashe wutar lantarki. Na'urar yanke wutar lantarki (QF) za ta iya yanke wutar lantarki ta 12.

Muhimmancin Icu da Ics
Icu yana nuna ƙarfin karyewa na ƙarshe, kuma Ics yana nuna amincin aiki mai ci gaba. Manyan layukan suna mai da hankali kan Ics, yayin da layukan reshe ke mai da hankali kan Icu8.

Zaɓin masu katse wutar lantarki masu iyakancewa a halin yanzu
Haɗa matsin zafi na kebul ta hanyar lanƙwasa mai iyakance halin yanzu, kuma a ba da fifiko ga samfuran da ke da saurin karyewa (kamar injinan fashewa na injin) 78.

Kariyar zubar ruwa ta yi matsala
Galibi saboda raguwar rufin layi ko rashin kyawun ƙasa, ya zama dole a gano kwararar ruwan da ke kwarara sannan a daidaita matakin aiki (yawanci daga 30mA zuwa 300mA)