Kutheni iimoto zombane zifuna i-800V?

Abavelisi kunye nabanini beemoto baphupha ngesiphumo "sokutshaja imizuzu emi-5 nokuqhuba i-200km".

Ukuze kufezekiswe le mpembelelo, kufuneka kusonjululwe iimfuno ezimbini eziphambili kunye neengongoma zentlungu:
Okokuqala, kukuphucula kakhulu ukusebenza kokutshaja kunye nokunyusa ngokukhawuleza isantya sokutshaja kwebhetri.
Okwesibini, kukuphucula ukusebenza kakuhle kwesithuthi siphela kunye nokwandisa uluhlu lokuqhuba phantsi kwemeko efanayo yamandla.
Apha, singasebenzisa ifiziksi yesikolo samabanga aphakamileyo ukuze siqonde ngokufutshane: P=UI. Ngoko ke ukuba ufuna ukunyusa amandla, zimbini kuphela iindlela zokunyusa umbane okanye ukunyusa i-voltage.
Nangona kunjalo, imisinga emikhulu iya kubangela ilahleko ephezulu yobushushu kwizibhamu zokutshaja, iintambo kunye nezinto eziphambili zeebhetri zamandla, kwaye umda ophezulu wokuphuculwa kwethiyori awumkhulu. Ke ngoko, indlela eya ekunyukeni komsinga "ayifikeleleki", hayi, akufanele "ibe kude kakhulu".
Ngoko ke, kuthekani ngokunyusa i-voltage?
Xa umsinga wenkqubo uhlala ungaguquki, amandla okutshaja aya kuphindaphindeka kabini njengevolthi yenkqubo, oko kukuthi, isantya sokutshaja esiphezulu siya kuphindaphindeka kabini, kwaye ixesha lokutshaja liya kufinyezwa kakhulu. Ukongeza, phantsi kwamandla afanayo okutshaja, ukuba ivolthi iphezulu, umsinga ungancitshiswa, kwaye intambo akufuneki ibe nkulu kangako, kwaye ukusetyenziswa kwamandla obushushu okumelana nentambo nako kuyancitshiswa.

Ngoko ke, ukuba usasebenzisa ubungakanani bentambo yokutshaja ye-400V yokuqala, ungawandisa amandla okutshaja. Oku kuthetha ukuba phantsi kweqonga le-800V, iintambo zokutshaja ezincinci zingasetyenziswa.
Uphando lweHuawei lubonisa ukuba ukutshaja ngokukhawuleza kusetyenziswa imo ye-800V high-voltage kuxhasa ukutshaja kwamandla aphezulu angama-30%-80% SOC, ngelixa imo ye-low-voltage high-current inokwenza kuphela ukutshaja kwamandla aphezulu kwi-10%-20% SOC, kwaye amandla okutshaja ehla kakhulu kwezinye iindawo ngokukhawuleza. Kuyabonakala ukuba imo ye-800V high-voltage inokuxhasa ukutshaja okukhawulezayo ixesha elide.
Okukhona ukusebenza kakuhle kwesithuthi siphela, oko kuthetha ukuba phantsi kwemeko yamandla angapheliyo, kokukhona i-voltage yebhetri iphezulu, kokukhona amandla emoto aba makhulu, kwaye kokukhona ukusebenza kakuhle kwe-motor drive kuphezulu.
Ngoko ke, iqonga le-800V high-voltage linokufumana amandla aphezulu kunye ne-torque, kunye nokusebenza ngcono kokukhawulezisa. Nangona ukuphuculwa kokusebenza kakuhle kokugcwalisa amandla okuziswe yi-800V kwizithuthi zombane kusemgangathweni, enye yezona zithintelo zinkulu ekusetyenzisweni kwe-800V yingxaki yeendleko.

Ukuba ufuna ukwazi okungakumbi ngale nto, nceda ukhululeke ukuqhagamshelana nathi.
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