Iindaba - Uluhlu lweVolthi yoLawulo: Isitshixo sokuhambelana kwebhetri ye-EV kunye ne-BMS

Abanini abaninzi beemoto ze-EV bayazibuza ukuba yintoni emisela i-voltage yokusebenza kwesithuthi sabo - ingaba yibhetri okanye yi-motor? Okumangalisayo kukuba, impendulo ikulawulo lwe-elektroniki. Eli candelo libalulekileyo limisela uluhlu lokusebenza kwe-voltage olulawula ukuhambelana kwebhetri kunye nokusebenza kwenkqubo iyonke.

Ii-voltages eziqhelekileyo ze-EV ziquka iinkqubo ze-48V, 60V, kunye ne-72V, nganye ineemigangatho ethile yokusebenza:

Iinkqubo ze-48V zihlala zisebenza phakathi kwe-42V-60V
Iinkqubo ze-60V zisebenza ngaphakathi kwe-50V-75V
Iinkqubo ze-72V zisebenza nge-60V-89V ranges

Abalawuli abaphezulu banokulawula i-voltages engaphezulu kwe-110V, nto leyo enika ukuguquguquka okukhulu.

Ukunyamezelana kwe-voltage yomlawuli kuchaphazela ngokuthe ngqo ukuhambelana kwebhetri ye-lithium ngeNkqubo yoLawulo lweBhetri (i-BMS). Iibhetri zeLithium zisebenza ngaphakathi kwamaqonga athile e-voltage atshintshatshintshayo ngexesha lemijikelo yokutshaja/yokukhupha. Xa i-voltage yebhetri idlula umda ophezulu womlawuli okanye iwela ngaphantsi komda wayo osezantsi, imoto ayizukutshaja - nokuba injani na imeko yokutshaja yebhetri.

Khawuqwalasele le mizekelo yehlabathi lokwenyani:

Ibhetri ye-72V lithium nickel-manganese-cobalt (NMC) eneeseli ezingama-21 ifikelela kwi-89.25V xa itshajiwe ngokupheleleyo, yehla iye kwi-87V emva kokuhla kwe-voltage yesekethe. Ngokufanayo, ibhetri ye-72V lithium iron phosphate (LiFePO4) eneeseli ezingama-24 ifikelela kwi-87.6V xa itshajiwe ngokupheleleyo, yehla iye kwi-82V. Nangona zombini zihlala ngaphakathi kwemida ephezulu yokulawula, iingxaki ziyavela xa iibhetri zisondela ekukhutshweni.

Ingxaki ebalulekileyo yenzeka xa i-voltage yebhetri yehla ngaphantsi komlinganiselo omncinci womlawuli ngaphambi kokuba ukhuseleko lwe-BMS lusebenze. Kule meko, iindlela zokukhusela zomlawuli zithintela ukukhutshwa, nto leyo eyenza imoto ingasebenzi nangona ibhetri isenamandla asebenzisekayo.

Olu lwalamano lubonisa isizathu sokuba uqwalaselo lwebhetri kufuneka luhambelane neenkcukacha zomlawuli. Inani leeseli zebhetri kuluhlu luxhomekeke ngokuthe ngqo kuluhlu lwevolthi yomlawuli, ngelixa umlinganiselo wangoku womlawuli umisela iinkcukacha zangoku zeBMS ezifanelekileyo. Oku kuxhomekeke komnye nomnye kubonisa isizathu sokuba ukuqonda iiparameter zomlawuli kubalulekile kuyilo olufanelekileyo lwenkqubo ye-EV.

Kwingxaki yokusombulula iingxaki, xa ibhetri ibonisa i-voltage yokuphuma kodwa ingakwazi ukuqalisa imoto, iiparameter zokusebenza zomlawuli kufuneka zibe yindawo yokuqala yophando. Inkqubo yoLawulo lweBhetri kunye nomlawuli kufuneka basebenze ngokuhambelanayo ukuqinisekisa ukusebenza okuthembekileyo. Njengoko iteknoloji ye-EV itshintsha, ukuqaphela olu lwalamano lubalulekileyo kunceda abanini kunye neengcali ukuba baphucule ukusebenza kwaye baphephe imiba eqhelekileyo yokuhambelana.

Ixesha leposi: Septemba-30-2025

Imfihlakalo yeVolthi ye-EV isonjululwe: Indlela Abalawuli Abayalela Ngayo Ukuhambelana Kwebhetri

QHAGAMSHELANA NO-DALY