Okwangoku, umbane onamandla aphezulu osetyenziswa kakhulu kwibhetri esebenza kakuhle ziibhetri ze-lead-acid, kwinkqubo yokusebenzisa iibhetri ze-lead-acid, ngenxa yezizathu ezahlukeneyo ezikhokelela kwi-short-circuit, nto leyo echaphazela ukusetyenziswa kwebhetri yonke. Ngoko ke ungayithintela kwaye uyijongane njani ne-short-circuit yebhetri ye-lead-acid?
Ukutshaja nokukhupha itshaja rhoqo. Nciphisa amandla okutshaja kunye ne-voltage yokutshaja, kwaye ujonge ukuba umzimba wevalvu yokhuseleko uthambile na. Thatha ibhetri ye-12V njengomzekelo, ukuba i-voltage yesekethe evulekileyo ingaphezulu kwe-12.5V, oko kuthetha ukuba amandla okugcina ibhetri asengaphezulu kwe-80%, ukuba i-voltage yesekethe evulekileyo ingaphantsi kwe-12.5V, ngoko ke kufuneka itshajwe ngoko nangoko.
Ukongeza, i-voltage ye-open-circuit ingaphantsi kwe-12V, nto leyo ebonisa ukuba amandla okugcina ibhetri angaphantsi kwe-20%, ibhetri ayisakwazi ukuqhubeka nokusebenzisa. Ngenxa yokuba ibhetri ikwimeko ye-short-circuit, i-short-circuit current yayo inokufikelela kumakhulu ee-ampere. Ukuba i-short-circuit contact iqinile ngakumbi, i-short-circuit current iya kuba nkulu, yonke inxalenye yonxibelelwano iya kuvelisa ubushushu obuninzi, kwi-weak link heat heat iya kuba nkulu, iya kunyibilikisa i-connection, kwaye ngaloo ndlela i-short-circuit. Ibhetri yendawo inokuthi ivelise iigesi eziqhumayo, okanye iigesi eziqhumayo eziqokelelwe ngexesha lokutshaja, kwi-fusion connection iya kuvelisa ii-sparks, eziya kukhokelela ekuqhumeni kwebhetri; ukuba i-short circuit yebhetri imfutshane okanye i-current ayinkulu kangako, nangona isenokungaqalisi i-fusion phenomenon, kodwa i-short-circuit okanye i-overheating phenomenon, iya kuqhagamshelwa kwi-strip ejikeleze i-binder yonakele, kukho ukuvuza kunye nezinye iingozi zokhuseleko ezinokubakho.
Ixesha lokuthumela: Julayi-12-2023
