DC cais tawm

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Tus tsim tshuab zoo tshaj plaws hauv ntiaj teb no yog tib neeg lub cev. Nws muaj qhov ua tau zoo-tiv thaiv tus kheej thiab kev kho tus kheej. Txawm hais tias lub kaw lus ntse heev xav tau kev kho dua thiab saib xyuas lub sijhawm. Thiab yog li txhua lub manmade system, suav nrog lub hnub ci PV nruab. Tsis pub dhau lub hnub ci kev teeb tsa yog lub inverter uas tau txais ncaj qha tam sim no (DC) los ntawm cov kab hnub ci raws li cov tswv yim thiab tso tawm Alternating Current (AC) rau daim phiaj rau ntawm qhov kawg tso tawm. Thaum lub sijhawm teeb tsa, kev tu xyuas thiab cov xwm txheej ceev nws yog qhov tsim nyog los cais cov panels los ntawm AC sab, thiab chaw pib, phau ntawv sib dhos ntawm tes ua haujlwm tau muab tso rau nruab nrab ntawm lub panels thiab cov inverter tawm. Xws li cov hloov pauv hu ua DC cais tawm vim nws muab DC cais ntawm cov photovoltaic vaj huam sib luag thiab lwm qhov chaw.

Qhov no yog qhov tseem ceeb hloov kev nyab xeeb thiab yog qhov yuav tsum tau ua hauv txhua qhov system photovoltaic zog raws li IEC 60364-7-712. Qhov xav tau ntawm Askiv tau los ntawm BS7671 - Tshooj 712.537.2.1.1, uas hais tias "Txhawm rau kom muaj kev saib xyuas ntawm lub PV hloov dua siab tshiab, txhais tau tias cais tawm PV hloov dua siab tshiab los ntawm DC sab thiab AC sab yuav tsum tau muab". Cov lus qhia tshwj xeeb rau DC cais tawm nws tus kheej tau muab hauv "Cov Lus Qhia rau Kev Txhim Kho ntawm PV Systems", seem 2.1.12 (tsab 2).


Lub sij hawm tshaj tawm: Lub Yim Hli-24-2020