Sisitemu ya elegitoronike ikoresha mumashanyarazi (EV) igaragaramo ubushobozi butandukanye.
Kuva kuri DC-ihuza imiyoboro ya capacitori yumutekano hamwe nubushobozi bwa snubber, ibyo bice bigira uruhare runini muguhagarika no kurinda ibikoresho bya elegitoroniki ibintu nkibintu bya voltage na interineti (EMI).
Hano hari topologiya enye zingenzi za traction inverters, hamwe nibitandukaniro bishingiye kubwoko bwa switch, voltage ninzego.Guhitamo topologiya ikwiye hamwe nibice bifitanye isano ningirakamaro mugushushanya inverter zikurura zujuje ibisabwa nibisabwa.
Nkuko byavuzwe, hano haribintu bine byakoreshejwe cyane muri EV traction inverters, nkuko bigaragara ku gishushanyo cya 2.:
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Urwego Topology yerekana 650V IGBT
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Urwego Topology yerekana 650V SiC MOSFET ya switch
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Urwego Topology yerekana 1200V SiC MOSFET ihinduka
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Urwego Topology yerekana 650V GaN Hindura
Izi topologiya zigwa mubice bibiri: 400V Imbaraga & 800V Imbaraga.Hagati yibi bice bibiri, birasanzwe gukoresha topologiya "2-urwego".Topologiya "Multi-level" ikoreshwa muri sisitemu yo hejuru ya voltage nka gari ya moshi zamashanyarazi, tramway hamwe nubwato ariko ntibikunzwe cyane kubera igiciro kinini kandi gikomeye.
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Ububiko bwa Snubber- Guhagarika amashanyarazi ni ngombwa kurinda imiyoboro ya nini nini ya voltage.Imashini ya Snubber ihuza imiyoboro ihanitse yo guhinduranya kugirango irinde ibikoresho bya elegitoroniki.
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DC-Ihuza Ubushobozi- Muri porogaramu za EV, Imiyoboro ya DC ihuza ifasha guhosha ingaruka za inductance muri inverters.Bakora kandi nkayunguruzo rurinda sisitemu ya sisitemu ya voltage spike, surges na EMI.
Izi nshingano zose ningirakamaro cyane kumutekano no mumikorere ya traction inverters, ariko igishushanyo nibisobanuro byiyi capacator birahinduka ukurikije traction inverter topology wahisemo.
Igihe cyo kohereza: Ukuboza-15-2023