Menene kariyar wutar lantarki guda biyar na babban ƙarfin wutan lantarki?

Manufar rigakafin guda biyar:

1. Anti-load bude da kuma rufe disconnector;

2. Hana budewa da rufewar karya;

3. Anti-loading rufe grounding canji;

4. Load watsa lokacin da anti-grounding sauya aka rufe;

5. Hana shiga sararin samaniya bisa kuskure.

Makullin rigakafin biyar shine saitin kulle da aka shigar don cimma matakan rigakafin biyar na sama.Don cimma takamaiman aikin rigakafin biyar, kuma yana buƙatar haɗin gwiwa tare da tsarin rigakafin biyar na microcomputer ko ta hanyar tsauraran ma'aikata ƙa'idodin aiki na rigakafin biyar.

"Tsarin wutar lantarki guda biyar" na babban ƙarfin wutar lantarki:

"Haɗin kai" na babban ƙarfin wutan lantarki shine muhimmin ma'auni don tabbatar da amintaccen aiki na grid na wutar lantarki, tabbatar da amincin kayan aiki da ma'aikata, da kuma hana rashin aiki.GB3906-1991 "3 ~ 35 kV AC Metal-enclosed Switchgear" ya yi fayyace tanadi don wannan.Gabaɗaya, ana siffanta “interlocking” a matsayin: hana buɗewar ƙarya da rufe na’urar da’ira;hana budewa da rufewa na cire haɗin tare da kaya;hana rataye (rufewa) na waya ta ƙasa (maɓallin ƙasa) tare da iko;hana rufewar waya ta ƙasa (canzawa) tare da ƙarfi;hana shiga sararin samaniya bisa kuskure.Abubuwan da ke sama guda biyar da ke sama don hana ɓarna wutar lantarki ana kiranta da "kariya guda biyar"."Haniyoyin rigakafi guda biyar" gabaɗaya an raba na'urori zuwa injiniyoyi, lantarki da kuma cikakkun nau'ikan.A halin yanzu, akwai nau'ikan nau'ikan nau'ikan wutar lantarki masu ƙarfi a kasuwa, yawancinsu suna da madaidaiciyar yanayin shiga tsakani.

1. Bayan da injin kewayawa trolley a cikin high-voltage sauya hukuma an rufe a wurin gwaji, trolley circuit breaker ba zai iya shiga wurin aiki.(Hana rufewa da kaya).

2. Lokacin da grounding canji a cikin high-voltage sauya majalisar da aka rufe, trolley circuit breaker ba za a iya rufe.(Hana rufewa da waya ta ƙasa).

3. Lokacin da injin da'irar da'ira a cikin high-voltage switchgear yana rufe, an kulle ƙofar baya na panel da hukuma tare da ƙofar majalisar ta hanyar inji akan wuka mai ƙasa.(Hana shigar da sararin samaniya bisa kuskure).

4. An rufe ma'aunin kewayawa a cikin babban ma'aunin wutar lantarki yayin aiki, kuma ba za a iya sanya maɓallin rufewa a cikin aiki ba.(Hana rataye kai tsaye na waya ƙasa).

5. Mai ba da wutar lantarki a cikin babban ma'aunin wutar lantarki ba zai iya fita daga wurin aiki na na'ura mai kwakwalwa ba lokacin da aka rufe shi.