Mai karewa, wanda kuma aka sani da kama walƙiya, na'urar lantarki ce wacce ke ba da kariya ga kayan lantarki daban-daban, kayan aiki, da layin sadarwa.Lokacin da aka haifar da tashin hankali ko ƙarfin lantarki ba zato ba tsammani a cikin da'irar lantarki ko layin sadarwa saboda tsangwama na waje, mai kare hawan zai iya gudanar da shunt a cikin ɗan gajeren lokaci, ta haka ne ya guje wa lalacewar hawan ga wasu kayan aiki a cikin kewaye.
Mai karewa, wanda ya dace da AC 50/60HZ, tsarin samar da wutar lantarki na 220V/380V, don kare walƙiya kai tsaye da tasirin walƙiya kai tsaye ko wasu haɓakar wuce gona da iri, wanda ya dace da gida, masana'antar manyan makarantu da buƙatun kariyar filayen filayen.
Kalmomi
1. Tsarin ƙarewar iska
Abubuwan ƙarfe da sigar ƙarfe waɗanda ake amfani da su kai tsaye don karɓo ko jure wa walƙiya, kamar sandunan walƙiya, layukan walƙiya (layi), tarun walƙiya, da sauransu.
2. Down conductor tsarin
Direbobin ƙarfe da ke haɗa na'urar ƙarewar iska zuwa na'urar ƙasa.
3. Tsarin ƙarewar duniya
Jimillar jigon ƙasa da masu haɗa haɗin jiki.
4. Duniya lantarki
Wani karfen madugu da aka binne a cikin ƙasa wanda ke da alaƙa kai tsaye da ƙasa.Har ila yau ana kiran wutar lantarki ta ƙasa.Hakanan ana iya amfani da sassa daban-daban na ƙarfe, kayan ƙarfe, bututun ƙarfe, da kayan ƙarfe waɗanda ke da alaƙa kai tsaye da ƙasa kuma ana iya amfani da su azaman gawar ƙasa, waɗanda ake kira jikin ƙasa na halitta.
5. Duniya shugaba
Waya mai haɗawa ko mai gudanarwa daga tashar ƙasa na kayan lantarki zuwa na'urar ƙasa, ko haɗin waya ko mai gudanarwa daga abin ƙarfe da ke buƙatar haɗin haɗin kai, babban tashar ƙasa, allon taƙaita ƙasa, babban shingen ƙasa, da haɗin haɗin daidaitattun daidaito. jere zuwa na'urar saukarwa.
6. Walƙiya kai tsaye
Walƙiya tana faɗowa kai tsaye akan ainihin abubuwa kamar gine-gine, ƙasa ko na'urorin kariya na walƙiya.
7. Ground m counterattack Back flashover
Canjin yuwuwar ƙasa a cikin yankin da ke haifar da hasken walƙiya da ke wucewa ta hanyar ƙasa ko tsarin ƙasa.Yiwuwar tunkarar ƙasa zai haifar da canje-canje a cikin yuwuwar tsarin ƙasa, wanda zai iya haifar da lalacewa ga kayan lantarki da kayan lantarki.
8. Tsarin kariyar walƙiya (LPS)
Tsarin da ke rage lalacewar walƙiya ga gine-gine, shigarwa, da sauran makasudin kariya, gami da tsarin kariya na walƙiya na waje da na ciki.
8.1 Tsarin kariya na walƙiya na waje
Bangaren kariya na walƙiya na waje ko jikin gini (tsarin) yawanci ya ƙunshi masu karɓar walƙiya, na'urori masu saukar da ƙasa da na'urori na ƙasa, waɗanda ake amfani da su don hana walƙiya kai tsaye.
8.2 Tsarin kariya na walƙiya na ciki
Bangaren kariyar walƙiya a cikin ginin (tsarin) yawanci ya ƙunshi tsarin haɗin kai na equipotential, tsarin ƙasa gama gari, tsarin garkuwa, wayoyi masu dacewa, mai karewa, da sauransu. Ana amfani dashi galibi don ragewa da hana walƙiya a cikin sararin kariya.haifar da electromagnetic effects.
Siffofin asali
1. Gudun kariya yana da girma, ragowar matsa lamba yana da ƙananan ƙananan, kuma lokacin amsawa yana da sauri;
2. Ɗauki sabuwar fasahar kashe baka don gujewa wuta gaba ɗaya;
3. Yin amfani da kewayen kariya na zafin jiki, ginanniyar kariya ta thermal;
4. Tare da alamar matsayi na wutar lantarki, yana nuna matsayi na aiki na mai kare surge;
5. Tsari mai tsauri, aikin barga da abin dogara.
Lokacin aikawa: Mayu-01-2022
