jan karfe na mashin mara nauyiKayan karfe na jan karfe

Hanyar ƙarfin ƙarfin lantarki wanda

aka samo ta na'urorin wutar lantarki Hanyar samar da wutar lantarki da ke shigo da wutar lantarki ta inverter Kamar yadda aka ambata a sama, layin busasshen layin zai iya guje wa rushewar na'urar

canzawa saboda ƙarfin lantarki. Wadannan a takaice suna amfani da IGBT don bayyana mummunan tasirin rashin kuskuren rashin aiki kan kayan wutar lantarki. A matsayin na'urar sauya

fasalin siminti, IGBT tana da yanayin aiki guda hudu: daga-jihohi, jihohi, jihohi, da kashe-gari yayin aiki. Sauye sauyen wutar lantarki yawanci yakan faru ne yayin da ake canza yanayin IGBT. siffa 2. Yanayin babban tsarin kewaye da iskar inverter Hoto na 2 yana nuna kwatancen babban tsarin da'ira na wani tsari na samar da wutar lantarki mai inverter, wanda akasarinsu shine bangaren DC mai tallafawa capacitor, mashigin DC, na'urar canzawa da kaya. A cikin aikace-aikace masu amfani, saboda kasancewar ba makawa na sigogin da aka rarraba a cikin layi, akwai layin da aka rarraba inlenceance Ls tsakanin mai tallafawa DC-side mai ƙarfi wanda yake tallafawa da na'urar canzawa. Distributionaddamarwar layin rarraba Ls ya haɗa da rashin daidaituwa na ƙaƙƙarfan ƙaƙƙarfan DC-side capacitor, ɓataccen ɗabi'a na ƙarar ƙarar, ɓarna a cikin babban motar da'ira da kuma yanayin ƙa'idar injin IGBT [1]. A daidai lokacin da aka kashe T1, ƙaddamar da Ls zai hana mai gudana ragewa da sauri, kuma zazzage mai ƙwanƙwasa ranU mai gudana acrossU ya ƙaru a duk faɗin Ls (ana nuna shugabanci kamar na hagu ƙarfe tagulla jan ƙarfe, mara kyau, da kyau a cikin Hoto na 2). An ƙaddara girman ƙirar mai zuwa: ΔU = Ls * di / dt (Tsarin 1) Saboda haka, ƙarfin lantarki wanda T1 yake kashewa lokacin da aka kashe shine Vd + Ls * di / dt, wato, ƙarfin lantarki da damuwa na yanzu lokacin da IGBT ke canzawa da kuma ƙaddamar da rarraba a cikin babban da'irar suna da dangantaka mai mahimmanci.