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  • ʻO ke ala hou e kūkulu i nā microgrids e pili ana i ka lā, hydrogen

    ʻO ke ala hou e kūkulu i nā microgrids e pili ana i ka lā, hydrogen

    ʻO ka hoʻohana ʻana o nā polymer electrolyte membrane wahie cell e like me ka hanauna mana kope i ka microgrids o ka lā e hiki ai ke hoʻoiho i nā kumukūʻai a hoʻomaikaʻi i ka maikaʻi, e like me ka hui o nā noiʻi. Ua hoʻolālā lākou i kahi ʻōnaehana hoʻokele ikehu hou i hiki ke kūpono no nā microgrids solar-hydrogen hybrid ma nā wahi mamao.

    Kiʻi: SMA

    Māhele

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    Ua hoʻomohala kahi hui noiʻi honua i kahi hoʻolālā hoʻokele ikehu hou e kōkua i ka mālama nui ʻana i nā microgrids solar mamao e hilinaʻi ana i nā hunaola wahie hydrogen no ka hanauna mana kākoʻo.

    Ua hōʻike lākou i ke k modelkohu ma o ka papahana Transient System simulation (TRNSYS) polokalamu ma kahi ʻōnaehana PV i hoʻopili ʻia i kahi hunaola wahie polymer electrolyte membrane (PEM). Hāʻawi ia i ka uila i ka ʻōnaehana keʻoi aku ka nui o ka mana ukana i ka mana i hoʻokumu ʻia e ka mea kanu PV. Loaʻa i ka 21.4 kW ka nui o ka lā ka mana o 127.3 kW h / m2 ma lalo o nā kūlana maʻamau.

    "ʻO ka nui o ka wahi o ka mea kanu mana o PV ma kahi o 205.3 m2, a me ke kumu hoʻohālikelike PV o 100 Wp a me 1 m2koho ʻia kahi, ”i ʻōlelo ai nā kālaiʻike. "Hoʻohana ʻia ka helu kuhi mana nui loa (MPPT) i ka lālani PV e ʻohi ai i ka mana nui loa o ka PV."

    Ua hoʻolālā ʻia ka electrolyzer me ka hiki o 5 kW, kahi e lawa pono ai e komo i ka uila i hana ʻia e ka mea kanu o ka lā a hana i ka hydrogen no ka paukū wahie i nā manawa o ka manawa o ka mana PV intermitente, i ʻōlelo ʻia e ka hui noiʻi.

    '”ʻO ka pono electrolyzer i kēia k modelkohu 90%,” i wehewehe ai lākou. "ʻO ka uila o kahi pūnaewele hoʻokahi ʻo 1.64 V no ka voltage 220-V stack, e koi ana i nā huina he 134."

    ʻIke kaulana

    Hiki i kēia hui ʻana ke hana i ka hydrogen i ʻehiku kī a me ke kiʻekiʻena kiʻekiʻe. Ua hoʻonui ʻia ka pahu hydrogen ma 22 mau mika cubic e mālama i nā hana hydrogen āpau ma 150 mau lāʻau kī. Ua hoʻonui ʻia ka nui o ka wahie wahie ma ka helu kiʻekiʻe o ka mana hoʻouka o 3 kW no nā kaumaha ma ka piko.

    Ua alakaʻi nā mea noiʻi i nā simulate ma kahi ʻōnaehana ma Beijing ma kahi o 12 mau mahina. Ua hōʻike kā lākou papahana i ka hana o ka cell wahie ma ka piha piha ma waena o Malaki a Kepakemapa, i ka manawa i ʻoi aku ai ka hana o ka ikehu PV. Ua ʻōlelo nā kālaiʻike i ka hoʻonohonoho ʻia ʻana o ka ʻōnaehana i hoʻonohonoho ʻia a me ka hoʻonaninani ʻana i ʻike ʻia e like ka nui o ka hydrogen makahiki i pau me ka makahiki i hana ʻia.

    "Hōʻoia nā hopena i ka nui o ka ʻōnaehana," wahi a nā kānaka noiʻi. "Ua koho ʻia ka maikaʻi o ka ʻōnaehana holoʻokoʻa i ka 47.9%, ʻoi aku ka kiʻekiʻe ma mua o ka mea i loaʻa i nā noi mua me ka hoʻonohonoho like."

    Ua wehewehe lākou i ka ʻōnaehana hoʻokele ikehu ma “ʻO ka photovoltaics maikaʻi-hoʻopili i ka hydrogen fuel cell-based hybrid ʻōnaehana: ka hoʻokele ikehu a me ka hoʻonohonoho maikaʻi loa, ”I paʻi ʻia ma ka Ka Nūpepa o ka Ikehu Ola.


    Ka manawa Post: Ian-12-2021