Ajụjụ a na-ajụkarị bụ: n'ọnọdụ dị aṅaa ka BMS nke batrị lithium-ion na-eme ka nchekwa oke ibu rụọ ọrụ, kedu ụzọ kwesịrị ekwesị isi gbakee na ya?
A na-akpali nchekwa oke ibu maka batrị lithium-ion mgbe emezuru nke ọ bụla n'ime ọnọdụ abụọ ahụ. Nke mbụ, otu sel ruru voltaji oke ibu ya. Nke abụọ, voltaji ngwugwu batrị niile ruru oke ibu ya. Dịka ọmụmaatụ, mkpụrụ ndụ lead-acid nwere voltaji oke ibu nke 3.65V, yabụ BMS na-ahazi voltaji oke ibu nke otu sel ka ọ bụrụ 3.75V, yana nchekwa voltaji zuru oke nke a na-agbakọ dị ka 3.7V mụbara site na ọnụọgụ sel. Maka batrị lithium ternary, voltaji oke ibu bụ 4.2V kwa sel, yabụ a na-ahazi nchedo oke ibu nke otu sel BMS ka ọ bụrụ 4.25V, ọnọdụ nchekwa voltaji zuru oke bụ 4.2V okpukpu ọnụọgụ sel.
Ajụjụ a na-ajụkarị n'etiti ndị ọrụ: Ịhapụ batrị EV chajị n'abalị (site na etiti abalị ruo ụbọchị na-esote) ọ̀ na-emebi ya n'ikpeazụ? Azịza ya dabere na ntọala akọwapụtara. Ọ bụrụ na batrị na chaja bụ ndị nrụpụta ngwa mbụ (OEM) dakọtara, ọ dịghị mkpa ichegbu onwe gị - BMS na-enye nchekwa a pụrụ ịdabere na ya. Dịka ọ na-adịkarị, a na-edozi voltaji nchekwa oke ibu nke BMS karịa mmepụta chaja. Mgbe mkpụrụ ndụ na-anọgide na-enwe ezigbo nguzozi (dịka na batrị ọhụrụ), a gaghị akpali nchedo oke ibu mgbe chajị zuru oke. Ka batrị na-aka nká, nguzozi sel na-ebelata, BMS na-amalitekwa inye nchebe.
Ihe pụrụ iche bụ na enwere oghere voltaji n'etiti voltaji BMS nke na-akpali oke ibu na oke mgbake. Oke voltaji echekwara a na-egbochi okirikiri na-emerụ ahụ: mkpali nchekwa → mbelata voltaji → ntọhapụ nchekwa → chajịa → nchebe ọzọ, nke na-enyere aka ịgbatị ndụ ọrụ batrị ahụ. Maka nchekwa kachasị elu na ogologo ndụ, omume kachasị mma bụ ịchaji mgbe achọrọ ya ma wepụ chaja ahụ ozugbo batrị ahụ chajịrị kpamkpam.
Oge ozi: Disemba-11-2025
