1.Types a me nā hiʻohiʻona hana o ka generator
ʻO ka generator he mea hana e hoʻoulu ai i ka uila ke hoʻokau ʻia i ka mana mechanical. Ma kēia kaʻina hana hoʻololi, hiki mai ka mana mechanical mai nā ʻano ʻano like ʻole o ka ikehu, e like me ka ikehu makani, ka ikehu wai, ka ikehu wela, ka ikehu lā a pēlā aku. Wahi a nā ʻano uila like ʻole, hoʻokaʻawale ʻia nā mea hana i nā mea hana DC a me nā mea hana AC.
1. Nā hiʻohiʻona hana o DC generator
Loaʻa i ka generator DC nā hiʻohiʻona o ka hoʻohana maʻalahi a me ka hana hilinaʻi. Hiki iā ia ke hāʻawi pololei i ka ikehu uila no nā ʻano mea uila āpau e koi ana i ka mana DC. Eia nō naʻe, aia kahi commutator i loko o ka DC generator, kahi maʻalahi e hana i ka uila uila a me ka haʻahaʻa haʻahaʻa. Hiki ke hoʻohana pinepine ʻia ka mea hana DC e like me ka mana DC no ka kaʻa DC, electrolysis, electroplating, charging and excitation of alternator.
2. Nā hiʻohiʻona hana o ka alternator
ʻO ka mea hana AC e pili ana i ka mea hana e hoʻohua ai i ka AC ma lalo o ka hana o ka ikaika mechanical waho. Hiki ke hoʻokaʻawale ʻia kēia ʻano generator i ka hana mana AC synchronous
ʻO ka mea hoʻoheheʻe synchronous ka mea maʻamau i waena o nā mea hana AC. Hoʻoulu ʻia kēia ʻano mīkini hana e ka manawa DC, hiki ke hāʻawi i ka mana hana a me ka mana reactive. Hiki ke hoʻohana ʻia no ka hāʻawi ʻana i ka mana i nā lako ukana like ʻole e koi ana i ka mana AC. Eia kekahi, e like me nā mea hoʻokele mua i hoʻohana ʻia, hiki ke hoʻokaʻawale ʻia nā mea hana synchronous i nā mea hoʻoheheʻe turbine mahu, nā mea hana wai, nā mea hana diesel a me nā turbine makani.
Hoʻohana nui ʻia nā mea hoʻololi, no ka laʻana, hoʻohana ʻia nā mea hana no ka lako mana i nā kikowaena mana like ʻole, nā ʻoihana, nā hale kūʻai, ka lako mana standby home, nā kaʻa, etc.
Nā hiʻohiʻona a me nā ʻenehana o ka mīkini hana
I mea e hoʻomaʻamaʻa ai i ka hoʻokele hana a me ka hoʻohana ʻana i ka mīkini hana, ua hoʻohui ka mokuʻāina i ke ʻano o ka hui ʻana o ke kumu hoʻohālike generator, a hoʻopili i ka papa inoa generator ma ke kūlana maopopo o kona pūpū, ʻo ia hoʻi ka mea nui o ka generator generator, rate voltage, rated power supply, rate insulation grade, frequency, power factor and speed.
Ke kumu hoʻohālike a me ke ʻano o ka generator
ʻO ke kumu hoʻohālike o ka mīkini hana maʻamau ka wehewehe ʻana i ke kumu hoʻohālike o ka ʻāpana, e komo pū me ke ʻano o ka puka uila e ka mea hana, ke ʻano o ka ʻāpana generator, nā hiʻohiʻona mana, ka helu serial design a me nā hiʻohiʻona kaiapuni.
Eia kekahi, he intuitive a maʻalahi nā hiʻohiʻona o kekahi mau mea hana, ʻoi aku ka maʻalahi o ka ʻike, e like me ka mea i hōʻike ʻia ma ka Figure 6, me ka helu huahana, ka helu helu a me ka helu o kēia manawa.
(1) Volta helu
E pili ana ka volt i helu ʻia i ka hoʻopuka uila helu ʻia e ka mea hana ma ka hana maʻamau, a ʻo kV ka ʻāpana.
(2) Ua helu ʻia i kēia manawa
Kuhi ʻia kēia manawa i ka ʻoi loa o ka hana o ka mīkini hana ma lalo o ka hana maʻamau a hoʻomau, ma Ka. Ke helu ʻia nā ʻāpana ʻē aʻe o ka mīkini hana, hana ka mea hana i kēia manawa, a ʻo ka piʻi ʻana o ka wela o kāna wili stator ʻaʻole e ʻoi aku ma mua o ka pae i ʻae ʻia.
(3) Ka māmā holo
ʻO ka wikiwiki o ka mea hana e pili ana i ka wikiwiki o ka hoʻololi ʻana o ka pahu nui o ka mea hana i loko o 1min. ʻO kēia ʻāpana kekahi o nā ʻāpana koʻikoʻi e hoʻoholo ai i ka hana o ka generator.
(4) Ka pinepine
ʻO ka pinepine e pili ana i ka pānaʻi o ka manawa o ka hawewe sine AC i loko o ka mea hana, a ʻo kāna ʻāpana ʻo Hertz (Hz). No ka laʻana, inā ʻo 50Hz ka alapine o kahi mea hoʻomohala, hōʻike ia e hoʻololi ke kuhikuhi o kāna ʻano ʻokoʻa a me nā ʻāpana ʻē aʻe he 50 mau manawa.
(5) He kumu mana
Hoʻopuka ka mea hana i ka uila ma ka hoʻololi electromagnetic, a hiki ke hoʻokaʻawale ʻia kona mana hoʻopuka i ʻelua ʻano: ka mana reactive a me ka mana hana. Hoʻohana nui ʻia ka mana reactive e hoʻoulu i ka māla magnetic a hoʻololi i ka uila a me ka magnetism; Hāʻawi ʻia ka mana hana no nā mea hoʻohana. I ka huina o ka mana o ka generator, ʻo ka hapa o ka mana ikaika ka mea mana.
(6) Hoʻohui stator
Hiki ke hoʻokaʻawale ʻia ka pilina stator o ka generator i ʻelua ʻano, ʻo ia hoʻi ka pilina triangular (△) a me ka pilina hōkū (ke ʻano Y), e like me ka mea i hōʻike ʻia ma ke Kiʻi 9. I loko o ka generator, ua hoʻopili pinepine ʻia nā wili ʻekolu o ka stator generator i kahi hōkū.
(7) Papa insulation
ʻO ka helu insulation o ka mīkini hana e pili ana i ka pae kiʻekiʻe o ke kūpaʻa wela o kāna mea insulation. I loko o ka generator, he loulou nāwaliwali ka mea insulating. He mea maʻalahi ka mea e hoʻolōʻihi i ka wā kahiko a hiki i ka pōʻino i ke kiʻekiʻe kiʻekiʻe, no laila ʻokoʻa ka pae pale wela o nā mea insulating like ʻole. Hōʻike pinepine ʻia kēia ʻāpana e nā leka, kahi e hōʻike ai ʻo y he 90 ℃ ka wela wela, a e hōʻike ana i ka mahana wela pale ʻana he 105 ℃, e hōʻike ana he 120 ℃ ka wela wela, hōʻike ʻo B i ka wela wela he 130 ℃, f hōʻike i ka mahana wela-kūʻai ʻo 155 ℃ hōʻike i ka wela, H-8 ka wela. ʻoi aku ka mahana o ka wela ma mua o 180 ℃.
(8) 'ē aʻe
I loko o ka mīkini hana, ma kahi o nā ʻenehana loea i luna, aia kekahi mau ʻāpana e like me ka helu o nā pae o ka mea hana, ka nui o ke kaumaha o ka ʻāpana a me ka lā hana. He intuitive a maʻalahi kēia mau ʻāpana i ka heluhelu ʻana, a no nā mea hoʻohana ke nānā aku i ka wā e hoʻohana ai a kūʻai paha.
3、 Hōʻailona hōʻailona o ka mea hana ma ka laina
ʻO Generator kekahi o nā mea koʻikoʻi i nā kaʻa kaʻa e like me ka uila uila a me ka mea hana mīkini. Ke kahakiʻi ʻana i ke kiʻikuhi e pili ana i kēlā me kēia kaapuni mana, ʻaʻole ʻike ʻia ka mīkini hana e kona ʻano maoli, akā kaha ʻia e nā kiʻi a i ʻole nā kiʻi, nā leka a me nā hōʻailona ʻē aʻe e hōʻike ana i kāna hana.
Ka manawa hoʻouna: Nov-15-2021
