Ukukhetha i-circuit breaker

1.kwisekethe yokukhanyisa ukwenzela ukunciphisa iindleko zeprojekthi, ngokuqhelekileyo khetha i-1P i-breaker circuit, kufuneka ihlawule ingqalelo kwi-breaker circuit breaker kufuneka ibe nomsebenzi wokuvuza uhambo, kufuneka inqunyulwe ukunikezelwa kwamandla aphezulu;

2. Ukugcinwa kwamandla ukwenzela ukukhusela umgca ophilayo kunye nomgca we-zero uqhagamshelwe kwingozi (xa umgca ophilayo kunye nomgca we-zero uqhagamshelwe kwi-1P ukuqhawula umgca we-zero kwaye awuzange uqhawule umgca ophilayo), unokusetyenziswa. Isixhobo esifutshane se-1P+N, esihlala sisithi i-DPN i-breaker circuit.

3. Kwindlu ye-circuit breaker yobukhulu obufanayo, kukho umehluko phakathi kwe-1P kunye ne-1P + N, yangaphambili inomthamo ophezulu wokuphuka kunokugqibela phantsi kwemeko yengozi yesiphaluka esifutshane.Ngoko ke, kucetyiswa ukuba kusetyenziswe i-2P i-circuit breaker kwisiphaluka esibaluleke ngakumbi kunye nokugcinwa rhoqo kunye nokusebenza kwesekethe kwiprojekthi, kodwa ixabiso liphezulu.

Ukongeza: i-1P, i-2P yesigaba esisodwa, i-3P, i-4P yesigaba sesithathu.

Xa ikhusela i-zero, kuphela i-1P, i-3P ingasetyenziswa;Xa isiseko sokukhusela, kungcono ukusebenzisa i-2P, i-4P.

I-1P + N: umkhuseli ufakwe kuphela kumgca wesigaba, kwaye umgca wesigaba unqanyuliwe ngexesha elifanayo xa kuthathwa isenzo.