Tsarin lantarki mai ƙarfi a cikin abin hawa na lantarki (EV) yana da nau'ikan capacitors iri-iri.
Daga na'urorin haɗin DC zuwa na'urorin tsaro da na'urorin haɗin snubber, waɗannan abubuwan suna taka muhimmiyar rawa wajen daidaita da kuma kare na'urorin lantarki daga abubuwa kamar su ƙarfin lantarki da tsangwama na lantarki (EMI).
Akwai manyan fannoni guda huɗu na inverters na traction, tare da bambance-bambance dangane da nau'in maɓalli, ƙarfin lantarki da matakan. Zaɓar yanayin da ya dace da abubuwan da suka shafi yanayin yana da matuƙar muhimmanci wajen tsara inverters na traction waɗanda suka dace da ingancin aikace-aikacenku da buƙatun farashi.
Kamar yadda aka bayyana, akwai nau'ikan inverters guda huɗu da aka fi amfani da su a cikin inverters na EV, kamar yadda aka nuna a Hoto na 2.:
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Tsarin Mataki wanda ke nuna maɓallin IGBT 650V
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Tsarin Mataki wanda ke nuna maɓallin 650V SiC MOSFET
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Tsarin Mataki wanda ke nuna maɓallin 1200V SiC MOSFET
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Tsarin Mataki wanda ke ɗauke da Canjin GaN na 650V
Waɗannan tsarin ƙasa sun kasu kashi biyu: Tsarin ƙasa mai ƙarfin lantarki 400V da Tsarin ƙasa mai ƙarfin lantarki 800V. Tsakanin tsarin ƙasa mai ƙarfin lantarki guda biyu, ya fi zama ruwan dare a yi amfani da tsarin ƙasa mai ƙarfin lantarki "mataki biyu". Ana amfani da tsarin ƙasa mai ƙarfin lantarki mai ƙarfin lantarki mai ƙarfi kamar jiragen ƙasa masu amfani da wutar lantarki, hanyoyin jirgin ƙasa da jiragen ruwa amma ba su da shahara saboda tsada da sarkakiya.
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Masu haɗa na'urorin haɗin gwiwa na Snubber– Dakatar da wutar lantarki yana da mahimmanci don kare da'irori daga manyan ƙararrawar wutar lantarki. Na'urorin capacitor na Snubber suna haɗuwa da babban maɓalli na sauyawa don kare na'urorin lantarki daga ƙararrawar wutar lantarki.
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Masu haɗa DC-Link– A cikin aikace-aikacen EV, Na'urorin DC-link suna taimakawa wajen rage tasirin inductance a cikin inverters. Suna kuma aiki azaman matattara waɗanda ke kare tsarin EV daga ƙarar wutar lantarki, ƙaruwar wutar lantarki da EMI.
Duk waɗannan ayyuka suna da matuƙar muhimmanci ga aminci da aikin inverters na traction, amma ƙira da ƙayyadaddun waɗannan capacitors suna canzawa dangane da yanayin inverter na traction da kuka zaɓa.
Lokacin Saƙo: Disamba-15-2023