Kei te whakaaro koe ki te whakatū i tētahi pūnaha rokiroki hiko mō te kāinga engari kei te pōuri koe i ngā taipitopito hangarau? Mai i ngā inverters me ngā pūtau pākahiko ki ngā waea me ngā papa tiaki, he mahi nui tā ia wāhanga hei whakarite i te whai huatanga me te haumaru. Me wehewehe tātou i ngā āhuatanga matua hei whakaaro i te wā e whiriwhiri ana i tō pūnaha.
Hipanga 1: Tīmata ki te Inverter
Ko te inverter te ngākau o tō pūnaha rokiroki pūngao, e huri ana i te hiko DC mai i ngā pākahiko ki te hiko AC mō te whakamahinga o te whare.whakatauranga manaka pā tika ki te mahi me te utu. Hei whakatau i te rahi tika, tatauhia tōte hiahia nui mō te hiko.
Tauira:
Mena kei roto i tō whakamahinga nui he oumu whakapūmau 2000W me te ipu hiko 800W, ko te mana katoa e hiahiatia ana ko te 2800W. Me te whakaaro ki te nui rawa o te whakatauranga i roto i ngā whakatakotoranga hua, whiriwhiria he inverter me te iti rawa3kW te kaha(neke atu rānei mō te tawhē haumaru).
Ngā Mea Hiranga o te Ngaohiko Whakauru:
Ka mahi ngā inverters i ngā ngaohiko motuhake (hei tauira, 12V, 24V, 48V), e whakatau ana i te ngaohiko o tō pēke pākahiko. Ka whakaitihia e ngā ngaohiko teitei ake (pēnei i te 48V) te ngaronga pūngao i te wā o te huringa, ka whakapai ake i te whai huatanga whānui. Kōwhiria i runga i te tauine me te tahua o tō pūnaha.
Hipanga 2: Tātaihia ngā Hiahiatanga o te Pūhiko
Kia oti te whiriwhiri i te inverter, hoahoahia tō pēke pākahiko. Mō te pūnaha 48V, he mea rongonui ngā pākahiko lithium rino phosphate (LiFePO4) nā te mea he haumaru, he roa hoki te ora. Ko te pākahiko 48V LiFePO4 he mea hanga ki16 ngā pūtau i roto i te raupapa(3.2V mō ia pūtau).
Tātai Matua mō te Whakatauranga o Nāianei:
Hei karo i te wera nui, tatauhia teiahiko mahi mōrahimā te whakamahi i ngā tikanga e rua:
1.Tātaitanga e hangai ana ki te Inverter:
Iahiko=Mana o te Hurihuri (W)Ngaohiko Whakauru (V)×1.2 (tauwehenga haumaru)Iahiko=Ngaohiko Whakauru (V)Mana o te Hurihuri (W)×1.2(tauwehenga haumaru)
Mō te kaitahuri 5000W i te 48V:
500048×1.2≈125A485000×1.2≈125A
2.Tātaitanga Pūtau-ā-ringa (He Tūturu Ake):
Iahiko=Mana Hurihuri (W)(Tau Pūtau × Ngaohiko Tuku Iti rawa)×1.2Iahiko=(Tau Pūtau × Ngaohiko Tuku Iti rawa)Mana Hurihuri (W)×1.2
Mō ngā pūtau 16 i te tukunga 2.5V:
5000(16×2.5)×1.2≈150A(16×2.5)5000×1.2≈150A
Taunakitanga:Whakamahia te tikanga tuarua mō ngā tawhā haumaru teitei ake.
Hipanga 3: Tīpakohia ngā Waea me ngā Wāhanga Tiaki
Ngā Taura me ngā Pae Pahi:
- Ngā Taura Putanga:Mō te iahiko 150A, whakamahia he waea parahi 18 mm tapawha (ko te whakatauranga he 8A/mm²).
- Ngā Hononga I waenga i ngā Pūtau:Kōwhiria ngā pae pahi parahi-konumohe 25 sq.mm te rahi (ko te whakatauranga he 6A/mm²).
Poari Tiaki (BMS):
Kōwhiria hePūnaha whakahaere pākahiko 150A-whakatauranga (BMS)Kia tino tohuate kaha o te au tonu, ehara i te iahiko tihi. Mō ngā tatūnga maha-pūhiko, tīpakohia he BMS mengā mahi whakawhāiti-auau whakararatāpirihia rānei he kōwae whakarara o waho hei taurite i ngā kawenga.
Hipanga 4: Ngā Pūnaha Pūhiko Whakarara
He maha ngā pēke pākahiko e hiahiatia ana i te wā kotahi mō te rokiroki hiko o te kāinga.ngā kōwae whakarara kua whakamanahiahe BMS rānei me te taurite kua hangaia hei ārai i te utu/te tukunga kore taurite. Āta karohia te hono i ngā pākahiko kāore i te ōrite hei whakaroa i te roa o te ora.
Ngā Tohutohu Whakamutunga
- WhakatairangahiaNgā pūtau LiFePO4mō te haumaru me te ora o te huringa.
- Manatokohia ngā tiwhikete (hei tauira, UL, CE) mō ngā wāhanga katoa.
- Whakawhitiwhiti kōrero ki ngā tohunga mō ngā tāutanga uaua.
Mā te whakarite i tō inverter, te pēke pākahiko, me ngā wāhanga tiaki, ka hangaia e koe he pūnaha rokiroki hiko kāinga pono, whai hua hoki. Mō te ruku hohonu ake, tirohia tā mātou aratohu ataata taipitopito mō te arotau i ngā tatūnga pākahiko lithium!
Wā tuku: Mei-21-2025
