Xa udibanisa ibhetri ye-lithium, ukukhetha iNkqubo yoLawulo lweBhetri efanelekileyo (i-BMS, ebizwa ngokuba yibhodi yokukhusela) kubalulekile. Abathengi abaninzi badla ngokubuza oku:
"Ngaba ukukhetha i-BMS kuxhomekeke kumthamo weseli yebhetri?"
Makhe sihlolisise oku ngomzekelo osebenzayo.
Khawuthelekelele unesithuthi sombane esinamavili amathathu, esinomda wamandla olawulo we-60A. Uceba ukwakha ibhetri ye-72V, 100Ah LiFePO₄.
Ngoko ke, yeyiphi i-BMS onokuyikhetha?
① I-60A BMS, okanye ② I-100A BMS?
Zinike imizuzwana embalwa ucinge…
Ngaphambi kokuba sityhile ukhetho olucetyiswayo, makhe sihlalutye iimeko ezimbini:
- Ukuba ibhetri yakho ye-lithium inikezelwe kuphela kule moto yombane, emva koko ukukhetha i-60A BMS ngokusekelwe kumda wangoku womlawuli kwanele. Umlawuli sele ewuthintele umda wangoku, kwaye i-BMS isebenza njengomaleko owongezelelweyo wokhuseleko lwamandla agqithisileyo, umbane ogqithisileyo, kunye nokukhupha umbane ogqithisileyo.
- Ukuba uceba ukusebenzisa le bhetri kwizicelo ezininzi kwixesha elizayo, apho kunokufuneka khona umsinga ophezulu, kuyacetyiswa ukuba ukhethe i-BMS enkulu, efana ne-100A. Oku kukunika ukuguquguquka okungakumbi.
Ngokwembono yeendleko, i-60A BMS lolona khetho lungabizi kakhulu kwaye lulula. Nangona kunjalo, ukuba umahluko wexabiso awubalulekanga, ukukhetha i-BMS enomgangatho ophezulu wamandla kunokubonelela ngokulula ngakumbi kunye nokhuseleko lokusetyenziswa kwixesha elizayo.
Ngokomgaqo, lo gama nje ireyithingi yamandla eqhubekayo ye-BMS ingaphantsi komda womlawuli, iyamkeleka.
Kodwa ngaba umthamo webhetri usabalulekile xa kukhethwa iBMS?
Impendulo yile:Ewe, ngokuqinisekileyo.
Xa becwangcisa i-BMS, ababoneleli badla ngokubuza ngemeko yomthwalo wakho, uhlobo lweseli, inani leentambo zochungechunge (ubalo lwe-S), kwaye okubalulekileyo,umthamo webhetri iyonkeOku kungenxa yokuba:
✅ Iiseli ezinomthamo ophezulu okanye ezikumgangatho ophezulu (izinga eliphezulu le-C) zihlala zinokumelana okuphantsi kwangaphakathi, ingakumbi xa ziqokelelwe ngaxeshanye. Oku kubangela ukumelana okuphantsi kwepakethi iyonke, nto leyo ethetha ukuba kukho imisinga ye-short-circuit ephezulu.
✅ Ukunciphisa iingozi zale misinga iphezulu kwiimeko ezingaqhelekanga, abavelisi badla ngokucebisa iimodeli ze-BMS ezinemida engaphezulu kancinci.
Ngoko ke, umthamo kunye nesantya sokukhupha iiseli (i-C-rate) zizinto ezibalulekileyo ekukhetheni i-BMS efanelekileyo. Ukwenza ukhetho olunolwazi olupheleleyo kuqinisekisa ukuba ibhetri yakho iya kusebenza ngokukhuselekileyo nangokuthembekileyo iminyaka ezayo.
Ixesha leposi: Julayi-03-2025
