I roto i ngā pūnaha pākahiko lithium, ko te tika o te whakatau tata SOC (State of Charge) he mehua nui o te mahi a te Pūnaha Whakahaere Pūhiko (BMS). I raro i ngā taiao pāmahana rerekē, ka nui ake te uaua o tēnei mahi. I tēnei rā, ka rukuhia e tātou tētahi ariā hangarau ngawari engari he mea nui—iahiko kore-rere, e pā nui ana ki te tika o te whakatau tata a te SOC.
He aha te Au Kore-Paheke?
Ko te iahiko kore-rere e pā ana ki te tohu iahiko teka e whakaputaina ana i roto i te ara iahiko whakakaha ina hekore iahiko whakauru, engari nā ngā āhuatanga pēnei i tengā huringa pāmahana, te kore pumau rānei o te pūtake hiko, ka neke te pūwāhi mahi pūmau o te whakakaha. Ka whakanuia tēnei nekehanga, ā, ka puta te putanga mai i te uara kore e hiahiatia ana.
Hei whakamārama māmā noa iho, whakaarohia he tauine kaukau mamati e whakaatu ana5 kg te taumaha i mua i te takahia e tetahiHe rite tonu taua taumaha "kehua" ki te iahiko kore-rerenga—he tohu kāore i te tino tīariari.
He aha i raru ai ngā pākahiko lithium?
Ka tatauhia te SOC i roto i ngā pākahiko lithium mā te whakamahi i tete tatau coulomb, e whakauru ana i te ia o te wā.
Mena ko te iahiko kore-rerenga hepai, pumau hoki, tera peawhakaara ake i te SOC i runga i te teka, e tinihanga ana i te pūnaha kia whakaaro kua nui ake te kaha o te pākahiko i tōna āhua tūturu—tērā pea ka mutu te utu i mua i te wā. I tetahi atu taha,te nekehanga kinotērā pea ka arahi kiSOC kāore i te tino arohia, e whakaoho ana i te tiakitanga tukunga wawe.
I te roanga o te wā, ka whakaitihia te pono me te haumaru o te pūnaha pākahiko e ēnei hapa whakaemi.
Ahakoa kāore e taea te whakakore katoa i te iahiko kore-rere, ka taea te whakaiti i tōna kaha mā te whakakotahi i ēnei huarahi:
- Te arotautanga taputapuWhakamahia ngā op-amp me ngā wāhanga he iti te tere, he tino tika;
- Whakautu pūnaha: Whakarite hihiri mō te nekenekehanga mā te whakamahi i ngā raraunga wā-tūturu pēnei i te pāmahana, te ngaohiko, me te iahiko;
- Whakahaere weraArotauhia te tahora me te marara o te wera hei whakaiti i te kore taurite o te wera;
- Te pūoko tino tikaWhakapai ake i te tika o te kimi tawhā matua (ngaohiko pūtau, ngaohiko mōkihi, pāmahana, iahiko) hei whakaiti i ngā hapa whakatau tata.
Hei whakamutunga, he mea nui te tika o ia microamp. Ko te aro atu ki te au kore-rere he taahiraa matua ki te hanga pūnaha whakahaere pākahiko atamai ake, pono ake hoki.
Wā tuku: Pipiri-20-2025
