Lapho uhlanganisa iphekhi yebhethri ye-lithium, ukukhetha i-Battery Management System (BMS, evame ukubizwa ngokuthi ibhodi lokuvikela) kubalulekile. Amakhasimende amaningi avame ukubuza:
"Ingabe ukukhetha i-BMS kuncike kumthamo weseli yebhethri?"
Ake sikuhlole lokhu ngesibonelo esisebenzayo.
Cabanga ukuthi unemoto kagesi enamasondo amathathu, enomkhawulo wamanje wesilawuli ongu-60A. Uhlele ukwakha iphakethe lebhethri elingu-72V, 100Ah LiFePO₄.
Ngakho-ke, iyiphi i-BMS ongayikhetha?
① A 60A BMS, noma ② A 100A BMS?
Thatha imizuzwana embalwa ucabange...
Ngaphambi kokuveza ukukhetha okunconyiwe, ake sihlaziye izimo ezimbili:
- Uma ibhethri lakho le-lithium linikezelwe kuphela kule moto kagesi, bese ukhetha i-60A BMS ngokusekelwe kumkhawulo wamanje wesilawuli kwanele. Isilawuli sesivele sikhawulele ukudonsa kwamanje, futhi i-BMS ikakhulukazi isebenza njengesendlalelo esengeziwe sokuvikela okungaphezu kwamandla, ukukhokhiswa ngokweqile, nokukhishwa kwe-overdischarge.
- Uma uhlela ukusebenzisa leli phakethe lebhethri ezinhlelweni eziningi esikhathini esizayo, lapho kungase kudingeke khona amandla aphezulu, kuyatuseka ukukhetha i-BMS enkulu, njenge-100A. Lokhu kukunikeza ukuguquguquka okwengeziwe.
Ngokombono wezindleko, i-60A BMS iyinketho eyonga kakhulu futhi eqondile. Nokho, uma umehluko wentengo ungabalulekile, ukukhetha i-BMS enezilinganiso zamanje eziphezulu kunganikeza ukunethezeka okwengeziwe nokuphepha ukuze uyisebenzise esikhathini esizayo.


Empeleni, inqobo nje uma isilinganiso samanje esiqhubekayo se-BMS singekho ngaphansi komkhawulo wesilawuli, siyamukeleka.
Kodwa ingabe umthamo webhethri usabalulekile ekukhetheni i-BMS?
Impendulo ithi:Yebo, ngokuphelele.
Lapho uhlela i-BMS, abahlinzeki bavamise ukubuza mayelana nesimo somthwalo wakho, uhlobo lweseli, inani lezintambo zochungechunge (S count), futhi okubalulekile,umthamo webhethri usuphelele. Lokhu kungenxa yokuthi:
✅ Amaseli anamandla aphezulu noma anesilinganiso esiphezulu (i-C-rate ephezulu) ngokuvamile anokumelana okuphansi kwangaphakathi, ikakhulukazi uma ehlanganiswe ngokuhambisana. Lokhu kubangela ukumelana nephekhi eliphansi, okusho ukuthi ama-currents aphezulu e-short-circuit.
✅ Ukuze kuncishiswe izingozi zamagagasi aphezulu kangaka ezimweni ezingavamile, abakhiqizi bavame ukutusa amamodeli e-BMS anemibundu edlula i-current ephakeme kancane.
Ngakho-ke, umthamo kanye nesilinganiso sokukhishwa kweseli (C-rate) yizici ezibalulekile ekukhetheni i-BMS efanele. Ukukhetha ukwaziswa kahle kuqinisekisa ukuthi ibhethri lakho lizosebenza ngokuphepha nangokuthembekile eminyakeni ezayo.
Isikhathi sokuthumela: Jul-03-2025