Masu karewa masu tasowa da masu kama walƙiya ba abu ɗaya ba ne.
Kodayake duka biyun suna da aikin hana wuce gona da iri, musamman hana walƙiya, har yanzu akwai bambance-bambance masu yawa a aikace.
1. Mai kama yana da matakan ƙarfin lantarki da yawa, kama daga 0.38KV ƙananan ƙarfin lantarki zuwa 500KV UHV, yayin da masu karewa gabaɗaya suna da samfuran ƙarancin wutar lantarki;
2. An shigar da mai kama a kan tsarin farko don hana kutsawa kai tsaye na igiyoyin walƙiya.Ana shigar da mai karewa mafi yawa akan tsarin na biyu.Bayan mai kama walƙiya ya kawar da kutsen kai tsaye na igiyoyin walƙiya, mai kama walƙiya ba ya kawar da walƙiya.Ƙarin matakan
3, mai kama shi ne don kare kayan lantarki, kuma mai karewa mafi yawa don kare kayan lantarki ko kayan aiki;
4. Saboda mai kama walƙiya yana da alaƙa da tsarin farko na lantarki, dole ne ya sami isasshen aikin rufewa na waje, kuma girman bayyanar yana da girma sosai, kuma ana iya sanya mai karewa ƙarami saboda ƙarancin wutar lantarki.
Bambanci tsakanin mai karewa da kama shi shine:
1. Ana iya raba filin aikace-aikacen daga matakin ƙarfin lantarki.Ƙididdigar ƙarfin lantarki na mai kama shine <3kV zuwa 1000kV, ƙananan ƙarfin lantarki 0.28kV, 0.5kV.
Ƙididdigar ƙarfin lantarki na kariyar karuwa shine k1.2kV, 380, 220 ~ 10V ~ 5V.
2, Abun kariya ya bambanta: mai kamawa shine don kare kayan lantarki, kuma SPD surge kariya gabaɗaya don kare madaidaicin siginar na biyu ko zuwa ƙarshen kayan aikin lantarki da sauran madaukai na wutar lantarki.
3. Matsayin insulation ko matakin matsa lamba ya bambanta: ƙarfin juriya na kayan lantarki da kayan lantarki ba tsari bane mai girma, kuma ragowar ƙarfin lantarki na na'urar kariya ta wuce gona da iri ya kamata ya dace da matakin ƙarfin ƙarfin abin kariya.
4. Matsayin shigarwa daban-daban: Ana shigar da mai kama akan tsarin don hana kutsawa kai tsaye na igiyoyin walƙiya da kuma kare layin sama da kayan lantarki.An shigar da kariyar SPD a kan tsarin na biyu, wanda ke kawar da igiyoyin walƙiya a cikin mai kama.Bayan kutsawa kai tsaye, ko mai kama ba shi da ƙarin matakan kawar da igiyar walƙiya;don haka, an shigar da mai kama a layin da ke shigowa;An shigar da SPD a ƙarshen tashar tashar ko sigina.
5. Ƙarfin kwarara daban-daban: mai kama walƙiya saboda babban aikin shine hana walƙiya wuce gona da iri, don haka ƙarfin kwararar dangi ya fi girma;kuma ga kayan lantarki, matakin rufewa ya fi ƙanƙanta fiye da kayan lantarki a cikin ma'anar gaba ɗaya, wajibi ne don SPD akan walƙiya na walƙiya Ana kiyaye shi ta hanyar aiki mai yawa, amma ƙarfinsa ta hanyar gudu yana da ƙananan ƙananan.(SPD yana gabaɗaya a ƙarshen kuma ba za a haɗa shi kai tsaye zuwa layin sama ba. Bayan ƙayyadaddun iyaka na yanzu na matakin sama, hasken walƙiya an iyakance shi zuwa ƙaramin ƙima, ta yadda SPD tare da ƙaramin ƙarfin kwarara zai iya cikakken kariya. Ƙimar ba ta da mahimmanci, abu mai mahimmanci shine saura matsa lamba.)
6. Sauran matakan rufewa, mayar da hankali ga sigogi, da dai sauransu kuma suna da manyan bambance-bambance.
7. Mai karewa mai karuwa ya dace da kariya mai kyau na tsarin samar da wutar lantarki mai ƙarancin wuta.Ana iya zaɓar kayan wutar lantarki daban-daban na AC / DC bisa ga ƙayyadaddun bayanai daban-daban.Ƙarfin wutar lantarki yana da nisa mai nisa daga gaban-ƙarshen mai karewa, ta yadda da'irar ta kasance mai saurin jujjuyawa fiye da ƙarfin wutar lantarki ko wasu fiye da ƙarfin lantarki.Kyakkyawan kariyar haɓakar wutar lantarki don kayan aiki na ƙarshe, haɗe tare da mai karewa na matakin farko, tasirin kariya ya fi kyau.
8. Babban abu na mai kama shi ne mafi yawa zinc oxide (daya daga cikin karfe oxide varistor), da kuma babban kayan da ake amfani da surge kariya ne daban-daban bisa ga anti-surge matakin da classification kariya (IEC61312), da kuma zane ne. daban.Masu kama walƙiya na yau da kullun sun fi daidai.
9. Magana ta fasaha, mai kamawa ba ya kai matakin mai karewa a cikin sharuddan lokacin amsawa, tasirin iyakancewar matsa lamba, cikakkiyar tasirin kariya, da halayen tsufa.
Lokacin aikawa: Maris-04-2021