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Layukan layukan maganadisu da aka samar da coil ba za su iya wucewa duka ta hanyar nada na biyu ba, don haka inductance da ke samar da filin maganadisu ana kiransa leakage inductance. Yana nufin ɓangaren magnetic flux wanda ya ɓace yayin aiwatar da haɗin kai na firamare da na sakandare.
Ma'anar inductance na leakage, abubuwan da ke haifar da zubar da jini, cutar da ƙwayar cuta, abubuwa da yawa da ke damun ɗigon jini, manyan hanyoyin da za a rage yawan zubar da jini, auna ma'auni na leakage, bambanci tsakanin leakage inductance da magnetic flux leakage.
Ma'anar Inductance Leakage
Inductance yayyo wani bangare ne na motsin maganadisu wanda ya ɓace yayin aikin haɗaɗɗiyar matakin farko da na sakandare na motar. Ya kamata inductance na na'urar ta ɗora ya zama cewa layukan maganadisu na ƙarfin da coil ɗin ke haifarwa ba za su iya wucewa ta cikin na'ura na biyu ba, don haka inductance ɗin da ke haifar da ɗigon maganadisu ana kiransa leakage inductance.
Dalilin zubar da ciki inductance
Leakage inductance yana faruwa ne saboda wasu daga cikin firamare (na biyu) ba a haɗa su zuwa na biyu (na farko) ta cikin ainihin, amma suna komawa na farko (na biyu) ta hanyar rufewar iska. Halin da ake amfani da shi na waya ya kai kusan sau 109 na iska, yayin da karfin ferrite core abu da ake amfani da shi a cikin tasfoma ya kai kusan sau 104 na iska. Don haka, lokacin da motsin maganadisu ya ratsa ta hanyar da'irar maganadisu da ferrite core ya samar, wani bangare nasa zai zubo cikin iska, ya samar da rufaffiyar da'ira a cikin iska, wanda hakan zai haifar da zubewar maganadisu. Kuma yayin da mitar aiki ya ƙaru, ƙarancin ferrite core abu da aka yi amfani da shi yana raguwa. Saboda haka, a manyan mitoci, wannan al'amari ya fi bayyana.
Hatsarin leakage inductance
Leakage inductance wata muhimmiyar alama ce ta sauya tasfoma, wanda ke da tasiri mai girma akan alamun aiki na sauya kayan wuta. Kasancewar inductance na leakage zai haifar da ƙarfin wutar lantarki na baya lokacin da aka kashe na'urar, wanda ke da sauƙin haifar da rushewar wutar lantarki na na'urar juyawa; leakage inductance kuma yana iya kasancewa yana da alaƙa da ƙarfin da aka rarraba a cikin kewayawa da ƙarfin da aka rarraba na na'ura mai canzawa ya zama da'irar oscillation, wanda ke sa kewayawar kewayawa da haskaka makamashin lantarki a waje, yana haifar da tsangwama na lantarki.
Dalilai da yawa da ke shafar inductance yayyo
Don tsayayyen taswira da aka riga aka yi, inductance na ɗigo yana da alaƙa da abubuwa masu zuwa: K: ƙayyadaddun iskar iska, wanda ya yi daidai da inductance na leakage. Don sauƙi na firamare da na sakandare, ɗauki 3. Idan iska na biyu da na farko sun kasance a madadin rauni Sa'an nan kuma, ɗauki 0.85, wanda shine dalilin da ya sa aka ba da shawarar hanyar yin amfani da sandwich, inductance ya ragu da yawa, mai yiwuwa kasa da 1/3 na asali. Lmt: Matsakaicin tsayin kowane juzu'in jujjuyawar duka akan kwarangwal Don haka, masu zanen canji suna son zaɓar cibiya mai tsayi mai tsayi. Faɗin iskar, ƙaramar inductance na yayyo. Yana da matukar fa'ida don rage ɗigowar inductance ta hanyar sarrafa adadin jujjuyawar iskar zuwa ƙarami. Tasirin inductance dangantaka ce ta hudu. Nx: adadin jujjuyawar iskar W: nisa mai juyi Tins: kauri na insulation na iskar bW: kauri na duk iskar da aka gama. Duk da haka, hanyar iskar sanwici tana kawo matsala cewa ƙarfin ƙarfin parasitic yana ƙaruwa, an rage ingancin aiki. Waɗannan ƙarfin ƙarfin suna faruwa ta hanyoyi daban-daban na gaɓoɓin da ke kusa da haɗakar iska. Lokacin da aka kunna, makamashin da aka adana a cikinsa zai fito a cikin nau'i na spikes.
Babban hanyar da za a rage yayyo inductance
Ƙunƙarar da aka haɗa 1. Kowane rukuni na windings ya kamata a yi rauni sosai, kuma ya kamata a rarraba shi daidai. 2. Layukan fitar da gubar su kasance cikin tsari da kyau, a yi ƙoƙarin samar da kusurwa daidai, kuma kusa da bangon kwarangwal. 4 Ya kamata a rage girman rufin rufi don jure wa buƙatun ƙarfin lantarki kuma idan akwai ƙarin sarari, la'akari da kwarangwal mai tsayi kuma rage girman kauri. Idan naɗaɗɗen nau'i-nau'i da yawa ne, za a iya yin taswirar rarraba filin maganadisu na ƙarin yadudduka na coils ta hanya ɗaya. Don rage inductance yayyo, ana iya raba firamare da sakandare duka. Misali, an raba shi zuwa firamare 1/3 → secondary 1/2 → primary 1/3 → secondary 1/2 → primary 1/3 ko primary 1/3 → secondary 2/3 → primary 2/3 → secondary 1/ 3 da sauransu, matsakaicin ƙarfin filin maganadisu ya ragu zuwa 1/9. Koyaya, an raba coils da yawa, tsarin jujjuyawar yana da rikitarwa, ƙimar tazara tsakanin coils ɗin yana ƙaruwa, an rage adadin abubuwan cikawa, kuma haramcin tsakanin firamare da na sakandare yana da wahala. A yanayin da fitarwa da shigarwar ƙarfin lantarki ba su da ɗanɗano, ana buƙatar inductance na ɗigo ya zama ƙanƙanta. Misali, ana iya raunata tasfomar tuƙi tare da wayoyi biyu a layi daya. A lokaci guda kuma, ana amfani da magnetic core mai girman girman taga da tsayi, kamar nau'in tukunya, nau'in RM, da ƙarfe PM. Oxygen maganadisu ne, ta yadda ƙarfin filin maganadisu a cikin taga ya yi ƙasa sosai, kuma ana iya samun ƙaramin inductance na ɗigo.
Aunawa inductance yayyo
Gabaɗaya hanyar da za a auna inductance na yayyo ita ce gajeriyar kewayawa ta biyu (primary) winding, auna inductance na firamare (secondary) winding, kuma sakamakon darajar inductance shine na farko (na biyu) zuwa na biyu (primary). Kyakkyawar yayyan wutan lantarki inductance kada ya wuce 2 ~ 4% na kansa magnetizing inductance. Ta hanyar auna inductance na wutar lantarki, ana iya tantance ingancin na'urar. Inductance yayyo yana da tasiri mafi girma akan kewayawa a manyan mitoci. Lokacin jujjuya tafsirin, ya kamata a rage inductance da yayyo gwargwadon yiwuwa. Yawancin tsarin “sanwici” na firamare (na biyu) - na biyu (na farko) - na farko (na biyu) ana amfani da su don hura wutar lantarki. don rage yayyo inductance.
Bambanci tsakanin leakage inductance da magudanar ruwa
Inductance yayyo shine haɗin kai tsakanin firamare da na sakandare lokacin da ake samun iska biyu ko sama da haka, kuma wani ɓangaren maganadisu bai cika haɗe da na biyu ba. Naúrar inductance na yatsan yatsa shine H, wanda ke haifar da yatsan ruwan maganadisu daga na farko zuwa na biyu. Yayyowar motsin maganadisu na iya zama iska ɗaya ko iska da yawa, kuma wani ɓangaren ɗigon ruwan maganadisu baya cikin alkiblar babban juzu'in maganadisu. Naúrar yatsan ruwan maganadisu shine Wb. Leakage inductance yana faruwa ne ta hanyar zub da jini na maganadisu, amma ruwan ruwan maganadisu ba lallai bane ya haifar da inductance.