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Fahimtar Matsayin Inductor a cikin DC-DC Boost Circuits

A yau mun bincika aikace-aikace na ainihin aikin da'ira na inductor, a cikin ainihin kewaye shine yafi amfani da inductor ta hanyar ƙananan juriya ga babban mita, ta hanyar juriya na DC ga halayen AC na zane na nau'i daban-daban, da Bayan mun kalli inductor a cikin DC-DC haɓaka ka'idar aiki.

 

1. An rufe Sauyawa S:

 

Kamar yadda aka nuna a hoto na 1, lokacin da aka rufe maɓallin S, a, b, d ya zama rufaffiyar madauki, wutar lantarki E ta hanyar inductor yana samar da ƙarami zuwa babba i, a wannan lokacin t1 (kamar Hoto 2 t1 → t2). ) mita na yanzu yana kusa da babban mita, bisa ga ka'idar corrugator (ƙara anti-raguwa iri ɗaya), inductor yana samar da induced halin yanzu a cikin kishiyar shugabanci na ainihin halin yanzu i, jawo halin yanzu yana hana canji a cikin. i, inductor induced halin yanzu shugabanci na b → a, wanda ke nufin cewa samar da wutar lantarki halin yanzu i a cikin inductor zuwa cikin Magnetic makamashi adana har zuwa t2 a lokacin da na yanzu i ne mafi girma, toshe karfi kuma shi ne mafi girma, da Magnetic makamashi adana. a cikin inductor kuma shine mafi girma. Sa'an nan t2 bayan halin yanzu yana kula da santsi, mitar halin yanzu yana kula da DC, toshewar inductor ya raunana, yawan abin da ya wuce ta hanyar sauyawa, abun da ke cikin rufaffiyar madauki yana gudana zuwa madaidaicin sandar.Duk Jerin samfurandon amfani a cikin da'irori DC-DC.

 

2. Kashe haɗin S:

Kamar yadda aka nuna a cikin hoto na 3, lokacin da aka katse maɓallin S, a, b, d ba ya zama rufaffiyar madauki, wutar lantarki E yana gudana ta cikin inductor na yanzu daga babba zuwa babba i, a wannan lokacin t3 (kamar yadda yake cikin hoto 4). t3 → t4) mita na yanzu yana kusa da babban mita, bisa ga ka'idar corrugator (ƙara anti-raguwa iri ɗaya), inductor yana samar da inductive current a cikin alkibla ɗaya da ainihin halin yanzu i, jawo halin yanzu. Yana hana i canzawa, shugabanci na inductor da aka jawo halin yanzu don a → b, wanda ke nufin cewa samar da wutar lantarki Yanzu i a cikin inductor zai juya ƙarfin maganadisu ya fara canzawa zuwa halin yanzu, jagorancin halin yanzu ta hanyar diode a → b → c → d, watau, ƙarfin lantarki a batu b don inductor ya haifar da ƙarfin lantarki e tare da ainihin ƙarfin wutar lantarki E, suna tare ta hanyar diode D1 zuwa capacitance C da aka adana, kuma a lokaci guda, fitarwa. ƙarfin lantarki zuwa nauyin U0, idan ba ku yi la'akari da raguwar ƙarfin lantarki na diode ba, U0 = E + e. wanda ya jawo wutar lantarki za a iya bayyana shi da girman ma'auni A: Wannan dabarar tana nuna cewa girman ƙarfin lantarki da aka haifar da girman inductance, ƙimar canjin halin yanzu a kowane lokaci naúrar za a iya bincika gabaɗaya a mu.Sabuwar Cibiyardon fahimtar fasaha.

Don haka a wannan lokacin ƙarfin lantarki U0 ya fi ƙarfin samar da wutar lantarki E. Har zuwa t2 lokacin da na yanzu i shine mafi ƙanƙanta, toshewar ƙarfi kuma shine mafi ƙanƙanta, ƙarfin maganadisu da aka adana a cikin inductor shima ainihin saurin juyawa ne. Na gaba, ta hanyar maɓalli kullum rufe, katsewa, za ka iya kullum fitar da ƙarfin lantarki U0, da kuma ƙarfin lantarki U0 ya fi girma da wadata irin ƙarfin lantarki E, domin wasa da manufar bunkasa.

 

3. Canja cikin bututun tasirin filin:

Idan muka canza zuwa bututun tasirin filin Q1 wanda aka nuna a cikin Hoto na 6, filin tasirin filin ƙofar e siginar sarrafawa na iya samun sigina kamar Hoto 5 irin waɗannan sigina suna sarrafa ƙulli na maɓalli, buɗewa, wato, a cikin t1 lokacin da aka rufe. , a cikin lokacin da aka rufe lokacin t2, muna kiran irin waɗannan sigina na siginar bugun jini na PWM, irin ƙarfin wutar lantarki guda ɗaya na iya zama fitarwa U0.
Idan kuna sha'awar ƙarin cikakkun bayanai ko kuna son ƙarin koyo game da samfuranmu, jin daɗiAika sakoko duba cikinGabatarwar Link-Power.

Lokacin aikawa: Satumba-11-2024