High-voltage line arrester don 6 ~ 220kV AC watsa layukan, wani sabon nau'in kama walƙiya ne wanda aka dakatar kuma aka sanya shi akan hasumiya ta watsawa.
Mai kama layin watsawa: musamman mabuɗin zinc oxide arrester.
Mai kama layin rarrabawa: nau'in bawul mai kama, tube nau'in kama, zinc oxide arrester, riƙaƙa.
Iyaka high-voltage line walƙiya overvoltage.
Haɓaka matakin juriya na walƙiya mai ƙarfi.
Rage yawan raguwar da ke haifar da kurakuran walƙiya a cikin tsarin.
Mai kamun layin wutar lantarki yana da nau'i biyu.
Yawancin lokaci ana shigar da ɗaya a layi daya tare da igiyoyin insulator na layi, ana iya haɗa mai kama a jere don samar da tazara. Kuma sanya rushewar wutar lantarki ya yi ƙasa da na insulator string flashover ƙarfin lantarki.
Don haka babban mai kama layin wutar lantarki a cikin igiyar insulator kafin fashewar walƙiya, shigarta kamar haka.
Wani kuma shine mai kama shi kai tsaye cikin tsarin, Amfani da juriya na kama wanda ba na kan layi ba wannan sifa don kare igiyar insulator. Dukansu suna iya haɓaka matakin juriya na walƙiya na layin watsawa, don haka rage saurin walƙiya, ƙara amincin aikin layin watsa labarai.
Babban mai kama layin wutar lantarki da insulators na layin wutar lantarki a layi daya. Lokacin da walƙiyar ta faɗo abin kama, ragowar ƙarfin lantarki na mai kama yana ƙasa da 50% na insulator kirtani fitarwa ƙarfin lantarki. Koda walƙiya ta ƙaru, ragowar wutar lantarki na mai kamawa ya ƙaru kaɗan kaɗan, insulator har yanzu baya faruwa flashover. Bayan walƙiya ta gudana, mitar ci gaba na halin yanzu da ke gudana ta cikin mai kama shine milliampere kawai, Mitar ci gaban halin yanzu da ke gudana ta mai kama yana kashewa a karon farko sama da sifili, ba zai yi tafiya ba, tsarin ya dawo daidai.
Hoton da ke gaba yana kwatanta babban mai kama layin wutar lantarki da insulator mai ƙarfin lantarki volt- seconds halayen haɗin gwiwar haɗin gwiwa. Halayen volt-na biyu na mai kama fiye da insulator halayen volt-na biyu na fiye da 15% kasa, lokacin da baya, zai iya zama ƙasa da 20%.
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