2021-10-07
Mai kariyar da'ira mai karewa shine ainihin abin da muke kira na'urar kariyar hawan jini, wanda kuma ake kira mai kare hawan walƙiya.Wani nau'i ne na kayan aiki ko da'ira wanda ke ba da kariya ga kayan aikin lantarki daban-daban, kayan aiki, da da'irori na sadarwa.Ana amfani da shi don ɗaukar hawan hawan ko ƙarar ƙarfin wuta tsakanin grid AC don tabbatar da cewa kayan aiki ko da'ira da ke karewa ba za su lalace ba.
Mai kariyar da'ira mai karewa na iya ɗaukar hawan wutar lantarki ko fiɗar dubban volts, ba shakka, wannan ya dogara da sigogi da ƙayyadaddun ƙayyadaddun kariyar da aka zaɓa.Hakanan akwai masu kariyar spd da aka keɓe ga volts ɗari da yawa, dangane da yanayin amfanin mai amfani.Mai karewa na karuwa zai iya jure babban ƙarfin wutar lantarki a nan take, amma tsawon lokacin ƙarfin ƙarfin ƙarfin ba zai iya yin tsayi da yawa ba, in ba haka ba mai kare zai yi zafi kuma yana ƙonewa saboda yawan kuzarin kuzari.
Surge wani nau'in tsangwama ne na wucin gadi.Ƙarƙashin wasu sharuɗɗa, ƙarfin lantarki nan take akan grid ɗin wuta ya zarce kewayon ƙimar ƙarfin lantarki na yau da kullun.Gabaɗaya, wannan ɗan gajeren lokaci ba zai daɗe da yawa ba, amma yana iya samun girman girman girma sosai.Yana iya zama babban kwatsam a cikin miliyan ɗaya kawai na daƙiƙa guda.Misali, lokacin walƙiya, cire haɗin inductive lodi, ko haɗa manyan lodi za su yi tasiri sosai akan grid ɗin wutar lantarki.A mafi yawan lokuta, idan kayan aiki ko da'ira da aka haɗa da grid ɗin wutar lantarki ba su da matakan kariya masu ƙarfi, yana da sauƙi ga na'urar ta lalace, kuma matakin lalacewa zai kasance yana da alaƙa da juriya na ƙarfin lantarki na na'urar.
A ƙarƙashin yanayin aiki na yau da kullun, ƙarfin lantarki a wurin gwaji ana kiyaye shi a yanayin kwanciyar hankali na 500V.Duk da haka, idan an cire haɗin q ba zato ba tsammani, babban ƙarfin lantarki zai faru a wurin gwaji saboda juyar da tasirin wutar lantarki saboda canjin inductive na yanzu.
Ana shigar da na'urar kariya ta matakin farko a ƙofar gida ko gini.Zai kare duk kayan aiki daga wurin haɗin shiga daga tsanantawa ta hanyar tiyata.Yawancin lokaci, iyawa da ƙarar mai kariyar hawan matakin farko duka biyu Yana da girma da tsada, amma yana da mahimmanci.
Matsayi na biyu mai karewa ba shi da girma a iya aiki kamar matakin farko kuma yana ɗaukar ƙarancin kuzari, amma yana da ɗaukar nauyi sosai.Yawancin lokaci ana shigar da shi a wurin samun damar kayan aikin lantarki, kamar soket, ko ma haɗa shi a gaban gaban allon wutar lantarki na kayan lantarki don samar da damar kariya ta biyu don kayan aiki.
Hoto mai zuwa shine zane mai sauƙi na tsari na shigar da na'urar kariya ta karuwa:
Ga mutane da yawa, kadan ba a san game da da'irar kariya ta sakandare ta biyu, saboda yawancin su an haɗa su a kan allon wutar lantarki.Wutar lantarki da ake kira da wutar lantarki galibi shine ƙarshen gaba na shigar da kayan aikin lantarki da yawa, yawanci AC-AC, AC-DC circuit kuma kewayawa ce da ke toshewa kai tsaye a cikin soket.Muhimmin aikin da'irar kariyar walƙiya da aka ƙera akan allon wutar lantarki shine samar da kariya akan lokaci idan abin ya faru, kamar yanke da'ira ko ɗaukar wutar lantarki mai ƙarfi, Current.
Wani nau'in da'irar kariyar haɓaka ta sakandare, kamar UPS (ba a katse wutar lantarki), wasu hadaddun samar da wutar lantarki na UPS za su sami ginanniyar da'irar kariyar haɓaka, wanda ke da aiki iri ɗaya da mai kariyar karuwa a kan allon samar da wutar lantarki na yau da kullun.
Akwai mai kariyar hawan jini, wanda zai yanke wutar lantarki a cikin lokaci lokacin da wutar lantarki ta tashi.Wannan nau'in kariyar karuwa yana da hankali sosai kuma mai rikitarwa.kuma ba shakka yana da tsada sosai, kuma ba kasafai ake amfani da shi ba.Wannan nau'in mai kariyar karuwa gabaɗaya ya ƙunshi firikwensin ƙarfin lantarki, mai sarrafawa da latch.Na'urar firikwensin wutar lantarki galibi yana sa ido akan ko akwai jujjuyawar hauhawar wutar lantarki.Mai sarrafawa yana karanta siginar ƙarar ƙarfin wutar lantarki na firikwensin ƙarfin lantarki kuma yana sarrafa latch akan lokaci azaman kashe da'irar sarrafa mai kunnawa lokacin da aka yanke masa hukunci azaman siginar ƙara.
Akwai kuma wani nau'in da'ira mai karewa, wanda ba ya yanke da'ira lokacin da aka samu karuwa, amma yana danne wutar lantarki kuma yana ɗaukar kuzarin hawan.Yawancin lokaci ana gina wannan a cikin allon kewayawa, kamar sauya hanyoyin samar da wutar lantarki za su sami irin wannan da'irar kariyar haɓaka.Da'irar tana gabaɗaya kamar yadda aka nuna a hoton da ke ƙasa:
Mai karewa 1, a ƙetare iyaka tsakanin layi mai rai da layin tsaka tsaki, wato, yanayin da'irar bambance-bambance.An haɗa masu kariyar haɓaka 2 da 3 bi da bi tare da waya mai rai zuwa ƙasa da waya mai tsaka-tsaki zuwa ƙasa, wanda shine yanayin yanayin gama gari.Ana amfani da na'ura mai ban sha'awa don matsawa da ɗaukar ƙarfin ƙarfin ƙara tsakanin waya mai rai da waya mai tsaka tsaki.Hakazalika, ana amfani da na'ura ta gama-gari don matsar da wutar lantarki ta wayar zamani zuwa ƙasa.Gabaɗaya, ya wadatar don shigar da ma'ajin haɓaka 1 don ƙarancin ƙa'idodi masu buƙata, amma ga wasu lokatai masu buƙata, dole ne a ƙara kariya ta yanayin gama gari.
Akwai abubuwa da yawa da za su iya haifar da hauhawar wutar lantarki, gabaɗaya saboda faɗuwar walƙiya, cajin capacitor da charging, resonant circuits, inductive switching circuits, tsangwama na tuƙi, da dai sauransu. Ana iya cewa ƙarfin wutar lantarki akan grid ɗin wutar lantarki yana ko'ina.Sabili da haka, yana da matukar mahimmanci don ƙirƙira mai karewa a cikin kewaye.
Sai kawai tare da matsakaicin yaduwa mai dacewa, ƙarfin hawan hawan yana da damar da za a lalata kayan lantarki.
Layin wutar lantarki-Layin wutar lantarki shine mafi mahimmanci kuma matsakaicin matsakaicin kai tsaye don yaɗa hawan igiyar ruwa, saboda kusan dukkanin kayan aikin lantarki ana amfani da su ta hanyar layin wutar lantarki, kuma hanyar rarraba layin wutar lantarki tana ko'ina.
Tafsirin rediyo-a zahiri, babbar hanyar shiga ita ce eriya, wacce ke da sauƙin karɓar igiyar igiyar waya ko walƙiya, wanda ke iya lalata kayan lantarki cikin gaggawa.Lokacin da walƙiya ta afkawa eriya, tana ratsa mai karɓar mitar rediyo.
Alternator-A fagen na'urorin lantarki na kera motoci, za a kuma ayyana hauhawar wutar lantarki tare da ba da fifiko.Sau da yawa lokacin da madaidaicin yana da hadaddun sauye-sauye, za a haifar da babban ƙarfin lantarki.
Inductive kewaye-lokacin da ƙarfin lantarki a ƙarshen ƙarshen inductor ya canza ba zato ba tsammani, yawancin ƙarfin lantarki yakan haifar.
Ba shi da wahala a ƙirƙira da'irar kariyar karuwa.A haƙiƙa, don ƙira ginanniyar da'irar kariya ta haɓaka, hanya mafi sauƙi kawai tana buƙatar sashi ɗaya, wato, MOV varistor ko TVS diode mai wucewa.Kamar yadda aka nuna a cikin hoton da ke ƙasa, masu kare hawan 1-3 na iya zama varistors MOV ko TVS.
Wani lokaci, ya zama dole kawai a haɗa MOV varistor a layi daya tsakanin layin tsaka tsaki na layin wutar AC don saduwa da ma'aunin IEC.A cikin aikace-aikace da yawa, yana da mahimmanci don ƙara da'irar kariya ta haɓaka tsakanin sifili live waya da ƙasa a lokaci guda don saduwa da ma'auni mafi girma, alal misali, buƙatun ya fi 4KV.
1. MOV tsaye ga Metal oxide varistor, karfe oxide resistor, juriya darajar zai canza bisa ga irin ƙarfin lantarki a fadin resistor.Yawancin lokaci ana amfani da shi tsakanin grid ɗin wutar lantarki na AC don magance hauhawar wutar lantarki.
2. MOV na'ura ce ta musamman bisa ƙarfin lantarki.
3. Lokacin da MOV ke aiki, halayensa sun ɗan yi kama da diodes, waɗanda ba na layi ba kuma ba su dace da dokar Ohm ba, amma ƙarfin lantarki da halaye na yanzu suna bidirectional, yayin da diodes ɗin unidirectional ne.
4. Ya fi kama da diode TVS bidirectional.
5. Lokacin da ƙarfin lantarki a fadin varistor bai kai ga matsa lamba ba, yana cikin yanayin budewa.
varistor wani abu ne mai mahimmanci a cikin mai karewa.Lokacin zayyana, tabbatar da cewa yana kusa da fuse a ƙarshen shigarwa, kamar yadda aka nuna a cikin hoton da ke ƙasa.Ta wannan hanyar, ana iya tabbatar da cewa za a iya busa fis ɗin a cikin lokacin da motsi mai ƙarfi ya faru, kuma da'irar da ke gaba tana cikin buɗaɗɗen yanayi don guje wa babban lalacewa ko ma wuta ta haifar.
Dongguan Slocable Photovoltaic Technology Co.,LTD.
Ƙara: Guangda Manufacturing Hongmei Science and Technology Park, No. 9-2, Hongmei Section, Wangsha Road, Hongmei Town, Dongguan, Guangdong, China
Saukewa: 0769-220101
