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Ƙarfin wutar lantarki na musamman da aka yi amfani da shi a cikin da'irar hanyar haɗin DC

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Karfe-karfe capacitors na fim su ne wasu na'urorin da aka fi amfani da su a cikin da'irori na lantarki a yau yayin da ake amfani da capacitors masu ƙarancin wutar lantarki don ƙaddamar da aikace-aikacen tacewa.

Ana amfani da capacitors na wutar lantarki sosai a cikin da'irori na haɗin gwiwar DC, laser pulsed, filasha X-ray, da masu canza lokaci.

 

 


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Halayen wasan kwaikwayon na capacitors na fim sun bambanta musamman dangane da kayan lantarki da aka yi amfani da su da kuma fasahar gini da aka yi amfani da su.Wasu daga cikin fitattun kayan aikin filastik da aka fi amfani da su sun haɗa da polyethylene naphthalate (PEN), polyethylene terephthalate (PET), da polypropylene (PP).

Za a iya rarraba capacitors na fina-finai na filastik zuwa fim / foil da masu ƙarfin fim na ƙarfe.Tsarin asali na capacitor na fim/foil ya ƙunshi na'urorin lantarki guda biyu na ƙarfe na ƙarfe da dielectric fim ɗin filastik tsakanin su.Fim/foil capacitors suna ba da juriya mai ƙarfi, ƙarfin sarrafa bugun jini mai ƙarfi, ƙarfin ɗaukar nauyi na yanzu, da kwanciyar hankali mai kyau.Ba kamar masu ɗaukar fim/foil capacitors ba, masu ƙarfin fim ɗin ƙarfe suna amfani da fina-finan robobi masu rufin ƙarfe azaman na'urorin lantarki.Ƙarfafawar fina-finai na ƙarfe na ƙarfe sun rage girman jiki, kuma suna ba da babban tasiri mai mahimmanci, kwanciyar hankali mai kyau, ƙananan hasara na dielectric, da kyawawan kayan warkarwa.Wasu capacitors matasan fim/foil capacitors ne da masu ƙarfin fim da aka yi da ƙarfe da sifofi na nau'ikan biyu.Kaddarorin warkar da kai na masu ƙarfin fim ɗin ƙarfe sun sa su zama manufa don aikace-aikace iri-iri, gami da tsawon rai da yanayin yanayin gazawa.

Kai-warkar da metallized film capacitors

Dielectrics na fim ɗin filastik waɗanda aka fi amfani da su a cikin ginin ƙarfin fim ɗin ƙarfe sun haɗa da polypropylene (PP), polyphenylene sulfide (PPS), polyester, da takarda mai ƙarfe (MP).Wadannan kayan aikin dielectric suna da damar warkar da kansu daban-daban.

Lokacin da lalacewa ta faru a cikin capacitor na fim ɗin da aka yi ƙarfe, arcing yana haifar da bakin ciki na karfen da ke kewaye da wurin kuskure ya yi tururi.Wannan tsari na vaporization yana cire murfin ƙarfe mai ɗaukar nauyi a cikin yankin da ke kusa da aibi.Tun da an cire kayan aiki, ɗan gajeren kewayawa ba zai iya faruwa tsakanin faranti ba.Wannan yana hana gazawar bangaren.

Ƙarfin warkar da kai na capacitor na fim mai ƙarfe ya dogara da abubuwa da yawa ciki har da kaddarorin dielectric abu da kauri na karfe Layer.Tsarin vaporization yana buƙatar isassun isashshen iskar oxygen da kayan dielectric tare da babban abun ciki na iskar oxygen suna da kyawawan kaddarorin warkar da kai.Wasu daga cikin dielectrics na fim ɗin filastik waɗanda ke da halayen warkarwa masu kyau sun haɗa da polypropylene, polyester da polycarbonate.A daya hannun, filastik fim dielectrics tare da low surface oxygen abun ciki da matalauta warkar da halaye.Polyphenylene sulfide (PPS) shine nau'in nau'in dielectric.

Baya ga inganta aminci, da kai-warkar da ikon metallized film capacitors taimaka wajen inganta su aiki rayuwarsu.Koyaya, warkar da kai yana haifar da raguwar yankin lantarki da aka yi da ƙarfe akan lokaci.

A aikace-aikace, wasu daga cikin sharuɗɗan da za su iya hanzarta gazawar wani ɓangaren sun haɗa da yanayin zafi mai girma, ƙarfin ƙarfin wuta, walƙiya, babban zafi, da tsangwama na lantarki (EMI).

Baya ga kyawawan kaddarorin warkarwa da kai, masu ƙarfin fim ɗin polyester da aka yi da ƙarfe kuma suna da babban dielectric akai-akai, kwanciyar hankali mai kyau na zafin jiki, ƙarfin dielectric mai ƙarfi, da ingantaccen inganci na volumetric.Waɗannan halayen sun sa waɗannan capacitors su dace don aikace-aikacen manufa ta gaba ɗaya.Ana amfani da capacitors na polyester da aka yi da ƙarfe don aikace-aikacen DC kamar toshewa, kewayawa, yankewa, da hana surutu.

Ƙarfe na polypropylene capacitors suna ba da juriya mai girma, ƙananan ƙarancin dielectric, ƙananan asarar dielectric, ƙarfin dielectric, da kwanciyar hankali na dogon lokaci.Ana amfani da waɗannan abubuwan da suka dace da sararin samaniya a cikin aikace-aikacen da aka haɗa da mains kamar na'urorin tacewa, ballasts masu haske, da da'irar snubber.Biyu metallized polypropylene film capacitors iya jure high ƙarfin lantarki da kuma high-pulse lodi, kuma sun dace da aikace-aikace tare da babban yiwuwar m bugun jini.Ana amfani da waɗannan capacitors akai-akai a cikin masu sarrafa motoci, snubbers, kayan wutar lantarki na yanayin canzawa, da masu saka idanu.

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Amincewa da rayuwar aiki na capacitors ya dogara sosai akan halayen warkar da kansu.Abubuwan da ke wucewa tare da kyawawan halaye na warkar da kai sun fi dogaro kuma suna ba da rayuwar aiki mai tsayi.Kyakkyawan halayen warkar da kai na masu ƙarfin fim ɗin ƙarfe na ƙarfe suna haɓaka ƙarfin su kuma suna sa su dace da aikace-aikacen da yawa.Bugu da kari, waɗannan ingantattun abubuwan haɗin gwiwar sun kasa buɗewa, kuma wannan yana sa su dace don aikace-aikacen da ke buƙatar abubuwan haɗin gwiwa tare da yanayin gazawa mafi aminci.

A gefe guda, kayan warkar da kai na masu ƙarfin fim na ƙarfe yana haifar da haɓakar hasarar haɓaka kuma jimlar ƙarfin ta ragu.Baya ga kyawawan kaddarorin warkar da kai, yawancin masu ƙarfin fim ɗin ƙarfe kuma suna ba da ƙarfin rugujewa da inganci mai girma.

Don ƙarin cikakkun bayanai na capacitor na fim, da fatan za a sauke kundin CRE.

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