Uma uhlanganisa iphakethe lebhethri le-lithium, ukukhetha iSistimu Yokuphatha Ibhethri efanele (i-BMS, evame ukubizwa ngokuthi ibhodi lokuvikela) kubalulekile. Amakhasimende amaningi avame ukubuza:
"Ingabe ukukhetha i-BMS kuncike kumthamo weseli yebhethri?"
Ake sihlole lokhu ngesibonelo esisebenzayo.
Ake sithi unemoto kagesi enamasondo amathathu, enomkhawulo wamanje wesilawuli ongu-60A. Uhlela ukwakha ibhethri le-72V, 100Ah LiFePO₄.
Ngakho-ke, iyiphi i-BMS ongayikhetha?
① I-BMS engu-60A, noma ② I-BMS engu-100A?
Zinike imizuzwana embalwa ucabange…
Ngaphambi kokwembula ukukhetha okunconywayo, ake sihlaziye izimo ezimbili:
- Uma ibhethri lakho le-lithium linikezelwe kuphela kule moto kagesi, bese ukhetha i-60A BMS ngokusekelwe emkhawulweni wamanje wesilawuli kwanele. Isilawuli sesivele sikhawulele ukudonsa kwamanje, futhi i-BMS isebenza ikakhulukazi njengengqimba eyengeziwe yokuvikela ugesi ongaphezulu, ugesi ongaphezulu, kanye nokukhipha ugesi ongaphezulu.
- Uma uhlela ukusebenzisa leli phakethe lebhethri ezinhlelweni eziningi esikhathini esizayo, lapho kungadingeka khona ugesi ophezulu, kuyalulekwa ukukhetha i-BMS enkulu, njenge-100A. Lokhu kukunika ukuguquguquka okwengeziwe.
Ngokombono wezindleko, i-60A BMS iyisinqumo esingabizi kakhulu nesilula. Kodwa-ke, uma umehluko wentengo ungabalulekile, ukukhetha i-BMS enesilinganiso samanje esiphezulu kunganikeza ukulula nokuphepha okwengeziwe kokusetshenziswa esikhathini esizayo.
Ngokuyisisekelo, uma nje isilinganiso samanje esiqhubekayo se-BMS singaphansi komkhawulo womlawuli, siyamukeleka.
Kodwa ingabe umthamo webhethri usabalulekile ekukhetheni i-BMS?
Impendulo ithi:Yebo, impela.
Lapho behlela i-BMS, abahlinzeki bavame ukubuza ngesimo sakho somthwalo, uhlobo lweseli, inani lezintambo zochungechunge (inani lika-S), futhi okubaluleke kakhulu,umthamo webhethri opheleleLokhu kungenxa yokuthi:
✅ Amaseli anomthamo ophezulu noma izinga eliphezulu (izinga eliphezulu le-C) ngokuvamile anokumelana okuphansi kwangaphakathi, ikakhulukazi uma eqoqwe ndawonye. Lokhu kuphumela ekumelaneni okuphansi kwephakethe, okusho ukuthi kungenzeka kube nemisinga ye-short-circuit ephezulu.
✅ Ukuze kuncishiswe izingozi zamandla aphezulu kangaka ezimweni ezingavamile, abakhiqizi bavame ukuncoma amamodeli e-BMS anemingcele ephakeme kancane yamandla angaphezu kwamandla.
Ngakho-ke, umthamo kanye nezinga lokukhishwa kwamaseli (izinga le-C) yizinto ezibalulekile ekukhetheni i-BMS efanele. Ukwenza ukukhetha okunolwazi oluphelele kuqinisekisa ukuthi ibhethri lakho lizosebenza ngokuphephile nangokuthembekile iminyaka ezayo.
Isikhathi sokuthunyelwe: Julayi-03-2025
