Hōʻike ka mea hana mīkini hana i ka pōʻino o ka hana Phase

Mar. 18, 2022

ʻO ka hoʻonohonoho ʻenehana Diesel: e ka ʻenekini, generator a me ka ʻōnaehana hoʻonohonoho hoʻonohonoho, i kapa ʻia ʻo generator set. ʻO ka mea hoʻoheheʻe Diesel He ʻano mea hana mana e lawe ai i ka ʻenekini diesel ma ke ʻano he mea hoʻoneʻe mua a hoʻokele i ka mīkini hana synchronous e hana i ka uila.He mea hana mana me ka hoʻomaka wikiwiki, ka hana maʻalahi a me ka mālama ʻana, ʻoi aku ka liʻiliʻi o ka hoʻopukapuka kālā a me ka hiki ke hoʻololi i ke kaiapuni.

Ke holo maʻamau ka mīkini hana, hāʻawi ia i ka mana hana a me ka reactive i ka ʻōnaehana, a ke waiho nei ka stator ma hope o ka volta terminal e kahi Angle.Kapa ʻia kēia mokuʻāina ma hope o ka hana.Ke emi malie nei ke au o ka hau, hoololi ka mea hana hana mai ka hoolako ana i ka mana reactive a hiki i ka omo ana i ka mana reactive mai ka nenoaiu, a ke hoololi nei ka stator mai ka lagging a hiki i ke alakai ana i ka paulele terminal generator e kekahi Angle.Kapa ʻia kēia mokuʻāina i ka hana alakaʻi.Ke holo mua ka mea hoʻoheheʻe synchronous, e emi nui ka manawa o ka excitation, a e emi iho ka mea hana Eq e like me ia.Mai ka pilina p-mana Angle, i ka wā e mau ai ka mana ikaika, e hoʻonui ʻia ka Angle mana, e hoʻemi ʻia ka lākiō o ka mana holoʻokoʻa, a e emi iho ka paʻa paʻa o ka mīkini hana.ʻO kona palena paʻa e pili ana i ka lākiō kaapuni pōkole o ka mīkini hana, ka reactance o waho, ka hana o ka mea hoʻoponopono excitation a inā hoʻokomo ʻia i ka hana.


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Hoʻohālikelike ʻia me ka hana hope, ka leakage flux ma ka hopena stator o ka mīkini hana hana piʻi i ka hana holomua.ʻOi aku ka kiʻekiʻe o ka ukana laina generator, nui ka leakage magnetic hopena i ka hana maʻamau, ʻo ke kaomi kumu hope e pili ana i ka piʻi ʻana o ka mea hoʻohui, ma mua o ka hana ʻana i ka hoʻonui leakage magnetic, piʻi ka piʻi ʻana o ka mahana.I ka wā o ka hana alakaʻi, e emi ana ka voltage terminal o ka generator, a e emi iho ka volta kōkua.Inā ʻoi aku ia ma mua o 10%, e pili ana ia i ka hana o ka mana kōkua.

No laila, pono e hoʻoholo ʻia ka hohonu hana o ka mīkini hana synchronous e ka hoʻokolohua.ʻO ia hoʻi, pehea ka nui o ka mana reactive e hiki ke hoʻopaʻa ʻia e mālama i ke kūpaʻa a me ka transient stability o ka ʻōnaehana, a ʻo ka piʻi ʻana o ka mahana o kēlā me kēia ʻāpana ʻaʻole i ʻoi aku ma mua o ka palena e hoʻokō ai i nā koi voltage.

ʻO nā pōʻino i hana ʻia e ka hana ʻāpana e ka mea hana generator:

1. ʻO ka hoʻonui ʻana i ka haʻahaʻa ikaika o ka mīkini hana e hana ʻole ai ka mīkini hana, e alakaʻi maʻalahi ai i ka hana paʻa ʻole o ka mīkini hana a hiki i ka hanana ʻana o nā pōʻino oscillation system.

2. E hoʻomau i ka hoʻohaʻahaʻa ʻana i ka manawa o ka mea hana a hoʻonui i ka hohonu o ka pae holomua o ka mīkini hana, hiki ke alakaʻi i ka nalo ʻana o ka hana pale excitation o ka generator a i ʻole ka hana paʻa ʻole o ka mīkini hana.

3. Ke holo mua ka mīkini hana, piʻi ke au o ka stator a piʻi ka wela stator;Ke holo nei ka mīkini hana ma mua, piʻi ka leakage flux o ka hopena stator, ʻoi aku ka koʻikoʻi o ka wela o ka hopena, a e piʻi mau ka mahana o ka stator coil o ka generator.

4. Ke holo ka mīkini hana ma mua o ka māhele, hoʻemi ʻia ka uila puka puka generator, no laila e hoʻemi ʻia ka uila uila 6KV.ʻO ka uila uila kiʻekiʻe me ka pale undervoltage e hele;No nā mea hana uila a pau, e emi ana ka volta kaʻa a piʻi ke ʻano o kēia manawa, e wela ai ka mea hana.Hiki i ka hana lōʻihi ke hōʻino i ka insulation o ka mea hana.

 

 


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