Ukwahlulela nokuphathwa kwe-circuit breaker "ukuvala okungamanga"

Uma iI-circuit breakerivala ngokuzenzakalelayo ngaphandle kokusebenza, kuyiphutha "lokuvala okungamanga".Ngokuvamile, kufanele yahlulelwe kanje.Ngemuva kokuhlolwa, kuyaqinisekiswa ukuthi umsebenzi awuvaliwe.Uma isibambo sisendaweni "emuva" futhi ukukhanya okubomvu kubaneka ngokuqhubekayo, kubonisa ukuthiI-circuit breakerivaliwe, kodwa "ukuvala okungalungile".Kulokhu, vula ifayelaI-circuit breaker.

Kwaba "okungalungile"I-circuit breaker, uma i-breaker yesifunda ivuliwe bese "ingalungile", kufanele ikhishwe ku-fuse yokuvala, ihlole izizathu zikagesi kanye nemishini ngokulandelanayo, futhi uxhumane nokuthunyelwa ukuze umise i-breaker circuit futhi uphenduke ekunakekeleni.Izimbangela "zokungahambisani" zingabandakanya:

1. Amaphuzu amabili amahle namabi kumjikelezo we-DC asekelwe ukwenza isifunda sokulawula sokuvala sixhunywe.

2, i-othomathikhi yokuvala kabusha idlulisele iphutha lengxenye elixhunywe iluphu yokulawula (efana nokudlulisa isikhathi sangaphakathi kuvame ukuvuleka othintana naye ngokuvaleka ngephutha), ukuze i-circuit breaker ivaleke.

I-3, ukumelana nekhoyili yokuvala i-contactor kuncane kakhulu, futhi i-voltage yokuqala iphansi, lapho i-DC system pulse yenzeka khona manjalo, kuzobangela ukuthi i-breaker yesifunda ivale ngephutha.

Isimo "sokwenqaba ukuvala" senzeka ngokuyisisekelo ohlelweni lokuvala nokuvala kabusha.Isibonelo, uma i-circuit breaker ye-standby power supply yenqaba ukuvala, ingozi izoba mbi nakakhulu.Ingahlukaniswa ngezinyathelo ezintathu zokunquma imbangela nokwelashwa kwe-circuit breaker "ukwenqatshwa".

1) Hlola ukuthi ingabe ukwenqaba ukuvala kwangaphambilini kubangelwa ukusebenza okungalungile (okufana neswishi yokulawula ukuyiyeka ihambe ngokushesha), bese usebenzisa iswishi yokulawula ukuze uhlangane futhi.

2) Uma ukuvala kungakaphumeleli, hlola zonke izingxenye zesekethe kagesi ukuze unqume ukuthi kukhona yini iphutha kumjikelezo kagesi.Hlola izinto yilezi: ukulawula ukuvala ukunikezwa kwamandla kujwayelekile;Kungakhathaliseki ukuthi i-fuse yesifunda sokulawula ukuvala kanye ne-fuse yesifunda sokuvala isesimweni esihle;Ukuthi ukuthintwa koxhumana naye wokuvala kujwayelekile;Shintshela iswishi yokulawula endaweni "yokuvala" ukuze ubone ukuthi isenzo sensimbi yokuvala sijwayelekile yini.

I-3) Uma isifunda sikagesi sijwayelekile futhi i-circuit breaker namanje ayikwazi ukuvalwa, kubonisa ukuthi kukhona iphutha lomshini.I-circuit breaker kufanele imiswe futhi ibikwe elungiselelweni lokuhlela lokunakekelwa nokwelashwa.