Iingcebiso ngebhetri yeLithium: Ngaba uKhetho lwe-BMS kufuneka luthathele ingqalelo ubungakanani bebhetri?

Xa uhlanganisa ipakethe yebhetri ye-lithium, ukukhetha iNkqubo yokuLawula ibhetri echanekileyo (i-BMS, ebizwa ngokuba yibhodi yokukhusela) ibalulekile. Abathengi abaninzi bahlala bebuza:

"Ngaba ukukhetha i-BMS kuxhomekeke kumthamo webhetri?"

Makhe sihlolisise oku ngomzekelo osebenzayo.

Khawucinge ukuba unesithuthi sombane esinamavili amathathu, kunye nomda wangoku womlawuli we-60A. Uceba ukwakha 72V, 100Ah LiFePO₄ ibhetri pack.
Ke, yeyiphi iBMS onokuyikhetha?
① A 60A BMS, okanye ② A 100A BMS?

Thatha imizuzwana embalwa ukucinga...

Ngaphambi kokuba siveze ukhetho olucetyiswayo, makhe sihlalutye iimeko ezimbini:

  •  Ukuba ibhetri yakho ye-lithium inikezelwe kuphela kwesi sithuthi sombane, emva koko ukhethe i-60A BMS ngokusekelwe kumda wangoku womlawuli kwanele. Umlawuli sele ekhawulela umzobo wangoku, kwaye i-BMS isebenza ngokuyinhloko njengoluhlu olongezelelweyo lwe-overcurrent, overcharge, kunye nokukhusela ukukhutshwa.
  • Ukuba uceba ukusebenzisa le pakethi yebhetri kwiinkqubo ezininzi kwixesha elizayo, apho kunokufuneka umsinga ophakamileyo, kuyacetyiswa ukuba ukhethe i-BMS enkulu, efana ne-100A. Oku kukunika ukuguquguquka ngakumbi.

Ukusuka kumbono weendleko, i-60A BMS iyona nto yoqoqosho kwaye ikhetheke ngokuthe ngqo. Nangona kunjalo, ukuba umahluko wexabiso awubalulekanga, ukukhetha i-BMS enomlinganiselo ophezulu wangoku kunokubonelela ngokulula kunye nokhuseleko lokusetyenziswa kwixesha elizayo.

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Ngokomgaqo, ukuba nje ukulinganisa okuqhubekayo kwangoku kwe-BMS akukho ngaphantsi komda womlawuli, kuyamkeleka.

Kodwa ngaba umthamo webhetri usabalulekile ekukhetheni iBMS?

Impendulo ithi:Ewe, ngokupheleleyo.

Xa uqwalasela i-BMS, ababoneleli badla ngokubuza malunga nemeko yomthwalo wakho, uhlobo lweseli, inani leentambo zoluhlu (S count), kwaye okubalulekileyo,umthamo webhetri iyonke. Oku kungenxa yokuba:

✅ Umthamo ophezulu okanye izinga eliphezulu (umlinganiselo ophezulu we-C) iiseli ngokubanzi zinokumelana okuphantsi kwangaphakathi, ngakumbi xa zidityaniswe ngokuhambelanayo. Oku kubangela ukuchasana kwepakethi ephantsi, oku kuthetha ukuba imisinga ephezulu yesekethe emfutshane.
✅ Ukunciphisa imingcipheko yaloo misinga iphezulu kwiimeko ezingaqhelekanga, abavelisi bahlala becebisa iimodeli ze-BMS ezinomgangatho ongaphezulu kancinane wokudlula.

Ngoko ke, umthamo kunye nesantya sokukhutshwa kweeseli (i-C-rate) zizinto ezibalulekileyo ekukhetheni i-BMS efanelekileyo. Ukwenza ukhetho olunolwazi luqinisekisa ukuba ipakethi yakho yebhetri iya kusebenza ngokukhuselekileyo nangokuthembekileyo kwiminyaka ezayo.


Ixesha lokuposa: Jul-03-2025

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