Ni ubuhe bwoko bwa 800V bwo hejuru ya voltage yububiko?

Imbere yimodoka igizwe nibice byinshi, cyane cyane nyuma yamashanyarazi. Intego ya voltage platform ni uguhuza imbaraga zikenewe mubice bitandukanye. Ibice bimwe bisaba imbaraga nkeya ugereranije, nka elegitoroniki yumubiri, ibikoresho byimyidagaduro, abagenzuzi, nibindi (muri rusange amashanyarazi ya 12V yumuriro), kandi bimwe bisaba ugereranijeUmuvuduko mwinshi, nka sisitemu ya bateri, sisitemu yo gutwara amashanyarazi menshi, sisitemu yo kwishyuza, nibindi (400V / 800V), nuko rero hariho platform ya voltage nini na platifike ntoya.

Noneho sobanura isano iri hagati ya 800V na super yihuta cyane: Noneho imodoka itwara abagenzi yumuriro wamashanyarazi muri rusange ni sisitemu ya bateri ya 400V, moteri ijyanye, ibikoresho, insinga nini ya voltage nayo ni urwego rumwe rwa voltage, niba sisitemu ya voltage yiyongereye, bivuze ko munsi yingufu zimwe, ingufu zirashobora kugabanukaho kimwe cya kabiri, igihombo cya sisitemu cyose kiba gito, ubushyuhe buragabanuka, ariko kandi byoroheje, imikorere yikinyabiziga ifasha cyane.

Mubyukuri, kwishyuza byihuse ntaho bihuriye na 800V, cyane cyane ko igipimo cyo kwishyuza cya batiri kiri hejuru, bigatuma amashanyarazi menshi, nayo ubwayo ntaho ahuriye na 800V, kimwe na platform ya 400V ya Tesla, ariko irashobora no kugera kuri super yihuta kwishyuza muburyo bwo hejuru. Ariko 800V ni ukugera kumuriro mwinshi utanga umusingi mwiza, kuko kimwe kugirango ugere kumashanyarazi ya 360kW, inyigisho ya 800V ikenera gusa 450A, niba ari 400V, ikenera 900A, 900A mubihe bya tekiniki yimodoka zitwara abagenzi ni ntibishoboka. Kubwibyo, birumvikana guhuza 800V hamwe na super yihuta yishyurwa hamwe, bita 800V super yihuta yikoranabuhanga.

Kuri ubu, hari ubwoko butatu bwaUmuvuduko mwinshisisitemu yububiko buteganijwe kugera kumashanyarazi yihuta cyane, kandi sisitemu yuzuye ya voltage iteganijwe guhinduka inzira nyamukuru:

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Ibyiza: Igipimo kinini cyo guhindura ingufu, kurugero, igipimo cyo guhindura ingufu za sisitemu yo gutwara amashanyarazi ni 90%, igipimo cyo guhindura ingufu za DC / DC ni 92%, niba sisitemu yose ari voltage nyinshi, ntabwo ari ngombwa kwiheba binyuze DC / DC, igipimo cyo guhindura ingufu za sisitemu ni 90% × 92% = 82.8%.

Intege nke: Ubwubatsi ntibufite gusa ibisabwa byinshi kuri sisitemu ya bateri, kugenzura amashanyarazi, OBC, DC / DC ibikoresho byamashanyarazi bigomba gusimburwa na Si-IGBT SiC MOSFET, moteri, compressor, PTC, nibindi bikeneye kunoza imikorere ya voltage. , igihe gito cyimodoka irangira igiciro cyiyongereye kiri hejuru, ariko mugihe kirekire, nyuma yinganda zinganda zimaze gukura ningaruka zingaruka zifite. Ingano yibice bimwe iragabanuka, ingufu zikoreshwa neza, kandi ibiciro byikinyabiziga bizagabanuka.

(2) Igice cyaUmuvuduko mwinshi, ni ukuvuga bateri 800V + moteri 400V, kugenzura amashanyarazi + 400V OBC, DC / DC, PDU + 400V ikonjesha, PTC.

Ibyiza: mubyukuri ukoreshe imiterere ihari, gusa uzamure bateri yingufu, igiciro cyo guhindura imodoka amaherezo ni gito, kandi haribikorwa bifatika mugihe gito.

Ibibi: DC / DC kumanuka bikoreshwa ahantu henshi, kandi gutakaza ingufu ni binini.

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Ibyiza: Guhindura imodoka kurangiza ni bito, bateri ikeneye gusa guhinduka BMS.

Ibibi: kwiyongera k'uruhererekane, kongera ibiciro bya batiri, koresha bateri yumwimerere yumwimerere, kunoza imikorere yumuriro ni bike.