Ke Kumu Hana o ka Pūnaehana Mana Aunoa o Diesel Generator Set

ʻOkakopa 28, 2021

I kēia manawa, me ka ulu mau ʻana o ka ʻoihana ʻoihana, ʻo ka hoʻohana ʻana i ka ikehu i kēlā me kēia lā o ke kikowaena data e hōʻike pū ana i kahi ʻano o ka ulu like.Ke hiki ʻole ka mana o ka mana nui, ʻaʻole hiki i kahi mea hoʻoheheʻe diesel hoʻokahi ke hoʻokō i ka noi mana hoʻihoʻi kikowaena data, no laila pono pinepine ka mana.Ke holo like nei nā ʻāpana.I mea e hoʻomaikaʻi ai i ka hoʻokele waiwai a me ka hilinaʻi ʻōnaehana o ka hana ʻōnaehana mana, pono kēia i ka mana o ka ʻōnaehana ʻaʻole pono i ka ʻāpana ponoʻī e loaʻa ka hana maikaʻi, akā koi pū kekahi i kēlā me kēia ʻāpana e lawe kūpono i nā haʻahaʻa hana a me ka reactive i lalo. ʻōnaehana.Hōʻike pū ʻia kēia mau koi I ka ʻōnaehana hoʻoponopono wikiwiki o ka mea hoʻokele mua a me ka ʻōnaehana hoʻoponopono uila o ka mīkini hana hoʻopono .

 

1. Ka hoʻopololei ʻana.

I mea e hōʻoia ai i ka paʻa o ka hana like ʻana o nā hoʻonohonoho hoʻonohonoho diesel, hoʻohana pinepine ʻia ka mana droop, ʻo ia hoʻi, hoʻohana ʻia ka mana droop P / f a me ka mana Q / V droop e loaʻa ai ke alapine paʻa a me ka uila.Hoʻopili kēia ʻano hoʻomalu i ka puka mana hana e kēlā me kēia ʻāpana.E hoʻokaʻawale i ka mana me ka mana reactive, me ka ʻole o ka pono no ka kamaʻilio a me ka hoʻonohonoho ʻana ma waena o nā ʻāpana, e hoʻokō i ka mana peer-to-peer ma waena o nā ʻāpana, a e hōʻoia i ke koena o ka lako a me ka koi a me ka paʻa pinepine o ka ʻōnaehana diesel generator set parallel system.

Hoʻohana ka mana droop i ka uila a me ka mana lua-loop o kēia manawa.ʻO ka loop loop i kēia manawa he wikiwiki pane wikiwiki, hoʻohana ʻia e hoʻomaikaʻi i ka maikaʻi o ka mana o ka hoʻonohonoho generator.ʻOi aku ka wikiwiki o ka pane ʻana o ka puʻupuʻu o waho, hiki ke hoʻomalu i ka volta puka o ka ʻōnaehana a hoʻohua i kahi kuhikuhi loop i loko.hōʻailona.ʻO ka mua, e hoʻohana i ka module ana e hōʻiliʻili i ka volta a me ke au o ke kiko haʻahaʻa, e helu i ka mana ʻeleu a me ka reactive o ka mea hoʻoheheʻe hoʻonohonoho, a laila e hāʻawi i ka LPF kānana haʻahaʻa no ka loaʻa ʻana o ka mana awelika;Ke manaʻo nei e holo ana ka alapine i helu ʻia, ʻo ka mana hana P, F, U o ka mea hoʻoheheʻe hoʻonohonoho ʻo ia ka alapine a me ka amplitude voltage helu o ka ʻōnaehana mana.Loaʻa ka alapine puka a me nā kauoha amplitude voltage ma o ka loulou droop, a laila hana ʻia ka volta kuhikuhi ma o ka loulou synthesis voltage.A laila, e hoʻohana ʻia ka volta kuhikuhi e like me ka volta a me ka hoʻokomo ʻana i nā loulou pālua ʻelua.


Working Principle of Automatic Control System of Diesel Generator Set

 

2. Pūnaehana hoʻoponopono wikiwiki (ka mana mana-frequency control).

Ke lawe nei i ka mana helu fN o ka mea hoʻoheheʻe synchronous e like me ka waiwai kuhikuhi, i ka wā e piʻi ai ka mana ikaika o ka haʻahaʻa haʻahaʻa i Pred, e hāʻule ka alapine puka o ka mīkini hana synchronous i ka waiwai paʻa hou o fref, a ʻo ka slope o ka pauku AB ka hoʻopololei paʻa o ka mīkini hana synchronous.ʻokoʻa mp, Δf=fref-fN, ΔP=PN-Pred.I ka holo like ana o na mea hana hana diesel, hooponopono kela mea keia mea hana i kona alapine a me kona mana a hiki i ka pau ana o na koi ukana.Inā like ka mana o kēlā me kēia mea hana, ua like pū ka coefficient hoʻoponopono static, a ua like maoli ka mana hoʻopuka;inā ʻokoʻa ka mana o ka ʻāpana, ʻoi aku ka nui o ka coefficient hoʻoponopono paʻa o ka ʻāpana me ka nui o ka ʻāpana hoʻokahi, a ʻoi aku ka nui o ka ukana i lalo.

 

3. Pūnaehana hoʻoponopono uila (reactive power-voltage control).

Ma ke ala like, ua kapa ʻia ka pali o ka ʻāpana CD ʻo ka reactive power-voltage droop control coefficient nq o ka synchronous generator, e hōʻike ana i ka pilina ma waena o ka piʻi ʻana o ka mana reactive o ka. hana hoʻonohonoho a me ka hoʻokaʻawale ʻana o ka uila, a me ΔU=Uref-UN, ΔQ=QN-Qred .E like me ka papa kuhikuhi poloka o ka mana excitation o ka synchronous generator, loaʻa ka volta kuhikuhi ma o ka helu ʻana o ka loulou ana a me ka loulou hoʻololi ʻokoʻa, a laila hoʻohālikelike ʻia me ka volta terminal generator (ʻo ka mea hoʻoponopono voltage ʻo ia ka mana PI) , no laila e hoʻomau mau ʻia ka mana uila uila E hahai koke i ke kauoha voltage.

Inā makemake ʻoe e ʻike hou aku e pili ana i nā mea hana diesel, e ʻoluʻolu e kelepona iā Dingbo Power ma ka leka uila dingbo@dieselgeneratortech.com.


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