Ni izihe mpinduka 800V platform izazana?

Niba ibinyabiziga byamashanyarazi byazamuwe kugeza kuri 800V, ibipimo byibikoresho byayo bifite ingufu nyinshi bizamurwa bikwiranye, kandi inverter nayo izasimburwa kuva mubikoresho gakondo bya IGBT kugeza kubikoresho bya SiC ibikoresho bya MOSFET.Igiciro cya inverter ubwacyo ni icya kabiri nyuma yibice bya batiri.Niba uzamuye muri SiC, ikiguzi kizazamuka kurundi rwego.

Ariko kuri OEM, ikoreshwa rya karibide ya silicon muri rusange ntireba gusa ikiguzi cyibikoresho byamashanyarazi, ariko cyane cyane, ihinduka ryibiciro byimodoka yose.Niyo mpamvu, ni ngombwa gushakisha impirimbanyi hagati yo kuzigama ibiciro byazanywe na SiC nigiciro cyayo kinini.
Ku bijyanye na SiC, umuntu wa mbere wagerageje ni Tesla.

Muri 2018, Tesla yasimbuye modul ya IGBT hamwe na moderi ya silicon karbide kunshuro yambere muri Model 3. Kurwego rumwe rwingufu, ingano yububiko bwa moderi ya silicon karbide ni ntoya cyane ugereranije na moderi ya silicon, kandi igihombo cyo guhinduranya kigabanukaho 75%.Byongeye kandi, iyo ihinduwe, ukoresheje moderi ya SiC aho gukoresha IGBT module irashobora kongera imikorere ya sisitemu hafi 5%.

Urebye ibiciro, igiciro cyo gusimbuza cyiyongereyeho hafi 1.500.Ariko, kubera kunoza imikorere yimodoka, ubushobozi bwa bateri yashyizweho bwaragabanutse, bizigama amafaranga kuruhande rwa bateri.
Ibi birashobora gufatwa nkurusimbi runini kuri Tesla.Umubare munini w isoko urenze igiciro.Tesla yishingikirije kandi kuri iyi nini yo gufata ikoranabuhanga nisoko rya sisitemu ya batiri 400V.
Ku bijyanye na 800V, Porsche yafashe iya mbere mu guha imodoka ya siporo ya Taycan amashanyarazi yose hamwe na sisitemu ya 800V muri 2019, itangiza isiganwa ry’intwaro ry’imyubakire y’amashanyarazi ya 800V y’amashanyarazi.
Hariho ikintu "kidakwiye" kijyanye no gusesengura ibiciro ukurikije Porsche.Nyuma ya byose, yibanda ku ngaruka nziza yimodoka kandi yibanda kuri premium yikimenyetso.
Ariko kubijyanye no guteza imbere ikoranabuhanga no kuyishyira mu bikorwa, uyu ni umushinga ukomeye ugira ingaruka ku mubiri wose.Kurugero, munsi ya 800V yumuriro mwinshi cyane, voltage yumupaki wa batiri igomba kwiyongera ugereranije na 800V, bitabaye ibyo ikazatwikwa kubera amashanyarazi manini.Byongeye kandi, ntabwo ikubiyemo sisitemu yo kwishyuza gusa, ahubwo inareba sisitemu ya bateri, sisitemu yo gutwara amashanyarazi, ibikoresho bya voltage nyinshi hamwe na sisitemu yo gukoresha insinga, bigira ingaruka kumitangire, gutwara, gukoresha imashini ikonjesha, nibindi.

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