I te wā e huihui ana i tētahi kete pākahiko lithium, he mea nui te whiriwhiri i te Pūnaha Whakahaere Pūhiko (BMS, e kiia nei ko te papa tiaki) tika. He maha ngā kaihoko e pātai pinepine ana:
"E whakawhirinaki ana te whiriwhiri i tētahi BMS ki te kaha o te pūtau pākahiko?"
Me tūhuratia tēnei mā te whakamahi i tētahi tauira mahi.
Whakaarohia he waka hiko wira-toru tāu, ā, ko te rohenga iahiko o te kaiwhakahaere he 60A. Kei te whakaaro koe ki te hanga i tētahi pākahiko LiFePO₄ 72V, 100Ah.
Nā, ko tēhea BMS tāu e whiriwhiri ai?
① He BMS 60A, he ② rānei he BMS 100A?
Whakaarohia he hēkona ruarua…
I mua i te whakakitenga i te kōwhiringa kua tūtohutia, me tātarihia ngā āhuatanga e rua:
- Mena kei te whakatapua tō pākahiko lithium ki tēnei waka hiko anake, kātahi ka nui te whiriwhiri i tētahi BMS 60A i runga i te rohenga o te iahiko o te kaiwhakahaere. Kua whakawhāitihia e te kaiwhakahaere te kukume iahiko, ā, ko te BMS te nuinga o te wā he paparanga tāpiri mō te tiaki i te iahiko nui, te utu nui, me te tukunga nui.
- Mena kei te whakaaro koe ki te whakamahi i tēnei pākahiko mō ngā tono maha ā muri ake nei, ki te hiahiatia he iahiko nui ake, he mea tika kia whiriwhiria he BMS nui ake, pērā i te 100A. Mā tēnei ka nui ake tō ngāwari.
Mai i te tirohanga utu, ko te BMS 60A te kōwhiringa tino ohanga me te māmā. Heoi, ki te kore e nui te rerekētanga o te utu, mā te whiriwhiri i te BMS he nui ake te whakatauranga o te iahiko ka nui ake te whakamarie me te haumaru mō te whakamahinga a meake nei.
Ko te tikanga, mēnā kāore te whakatauranga o iahiko tonu o te BMS i raro iho i te rohe o te kaiwhakahaere, ka whakaaetia.
Engari he mea nui tonu te kaha o te pākahiko mō te whiriwhiri i te BMS?
Ko te whakautu:Āe, tino tika.
I te whirihoranga o tētahi BMS, ka pātai ngā kaiwhakarato mō tō horopaki kawenga, te momo pūtau, te maha o ngā aho raupapa (te tatau S), me te mea nui, ko tete katoa o te kaha o te pākahikoNā te mea tēnei:
✅ Ko ngā pūtau kaha-nui, tere-C rānei, he iti ake te ātete ā-roto, inā koa ka whakarōpūhia kia whakarara. Ka hua ake tēnei he iti ake te ātete whānui, arā, he nui ake ngā iahiko porowhita-poto ka taea.
✅ Hei whakaiti i ngā mōrearea o aua au nui i roto i ngā āhuatanga rerekē, ka tūtohu pinepine ngā kaihanga i ngā tauira BMS me ngā paepae au nui ake.
Nō reira, ko te kaha me te tere tukunga pūtau (C-rate) he mea nui hei whiriwhiri i te BMS tika. Mā te whiriwhiri whai whakaaro ka taea te whakarite kia mahi haumaru, kia pono hoki tō kete pākahiko mō ngā tau e haere ake nei.
Wā tuku: Hōngongoi-03-2025
