ʻIke kumu o nā mea hoʻohana
ʻO kahi ʻoihana hoʻolei kīpē puka e hana nui i nā huahana valve.ʻO nā mea hana laina hana o ka hui he pūʻulu o 2-ton medium-frequency induction furnace, kahi i hoʻohana ʻia e ka 2000 kVA (10KV/0.75 kVA) ʻoihana hoʻolako mana transformer.Hoʻolako 'ia me 2 capacitance compensations cabinets me ka nui o 600 kVA, he 1-ton intermediate frequency induction furnace, 800 kVA (10KV/0.4KV) technical and professional transformers, a me ka capacitance compensation cabinet me ka nui o 300 kVA.ʻO ke kiʻikuhi ʻōnaehana lako mana penei:
ʻIkepili hana maoli
ʻO ka mana ʻike o ka umu induction intermediate frequency induction i hoʻolako ʻia me ka transformer 2000KVA ʻo 700KVA-2100KVA, ʻo ka mana ikaika ʻo P = 280KW-1930KW, ʻo ka ukana reactive Q = 687KAR-830KAR, ʻo ka mana mana he PF = 0.4-0.92, a ʻO ka hana i kēia manawaⅰ = 538 A-1660 A, ʻo ka mana ʻike o ka umu induction intermediate frequency induction i lako me 800KVA transformer ʻo 200KVA-836KVA.ʻO ka mana hana ʻo P = 60KW-750KW, ʻo ka ukana reactive Q = 190KAR-360KAR, ʻo ka mana mana ʻo PF = 0.3-0.9, a ʻo ka hana i kēia manawa i = 288 A-1200 A. No ka mea ʻaʻole hiki ke hoʻokomo ʻia ka pahu uku capacitor. i ka hana (ʻaʻole i uku ʻia ka capacitor, ke hoʻohana lima ʻia ka capacitor, ʻano ʻole ka leo capacitor, huakaʻi kaʻapuni kaʻapuni, hoʻopili ʻia ka capacitor, kahe ka ʻaila, māwae, ʻaʻole hiki ke hoʻohana ʻia), ka mana piha o kēlā me kēia mahina. PF=0.78, a ua hoʻololi ʻia ka uku pānaʻi moraki i kēlā me kēia mahina ma mua o 32,000 yuan.
Nānā Kūlana Pūnaehana Mana
ʻO ka haʻawe nui o ka mea hoʻoheheʻe i ka umu uila uila waena he 6-pulse rectification.Hoʻololi ka mea hoʻoponopono i ka AC i DC i ka wā e hana ana i ka nui o nā harmonics.Hoʻokomo ʻia ke kumu harmonic maʻamau i loko o ka pahu, a ʻo ka impedance o ka grid e hoʻohua i ka volta harmonic, e hoʻoulu ai i ka voltage grid ʻO ka distortion o kēia manawa e pili ana i ka maikaʻi o ka lako mana a me ka palekana o ka hana, hoʻonui i ka nalowale o ka laina a me ka hoʻopau ʻana i ka uila, a hoʻonui i ka mana.Ke hoʻokomo ʻia ka panakō capacitor reactive reactive, no ka mea liʻiliʻi ka impedance harmonic o ka panakō capacitor, nui nā harmonics i hoʻokomo ʻia i loko o ka waihona capacitor, a me ka nui o ka capacitive current ʻO ka piʻi wikiwiki e hoʻopilikia nui i kona ola lawelawe.Ma ka ʻaoʻao ʻē aʻe, i ka wā e like ai ka harmonic capacitive reactance o ka waihona capacitor me ka like ʻana o ka harmonic inductive reactance o ka ʻōnaehana a kū mai kahi resonance, ua hoʻonui nui ʻia ka manawa harmonic (2-10 mau manawa), ka hopena i ka wela a me ka pōʻino ka capacitor.Eia kekahi, e hoʻololi nā harmonics i ka hawewe sinusoidal DC, e hopena i kahi hawewe kiʻekiʻe o ka sawtooth, kahi maʻalahi e hoʻokuʻu i ka ʻāpana i ka mea insulating.ʻO ka hoʻokuʻu hapa lōʻihi e hoʻolōʻihi i ka ʻelemakule o ka mea insulating a maʻalahi hoʻi e hōʻino i ka capacitor.No laila, ʻaʻole hiki ke hoʻohana ʻia ka capacitor reactive power compensation cabinet no ka uku ʻana i ka umu induction induction intermediate frequency, a pono e koho ʻia kahi kānana reactive mana uku me ka pulse o kēia manawa suppression function.
Hoʻolālā hoʻolālā uku hoʻihoʻi mana reactive
Nā pahuhopu hoʻomalu
ʻO ka hoʻolālā ʻana o nā lako kānana uku e hoʻokō i nā koi o ka hoʻopau ʻana i ka harmonic a me ka hoʻokele mana reactive.
Ma lalo o ke ʻano hana o nā ʻōnaehana 0.75KV a me 0.4KV, ma hope o ka hoʻokomo ʻia ʻana o nā mea hoʻoponopono kānana, ua hoʻopau ʻia ka pulse o kēia manawa, a ʻoi aku ka nui o ka mana o kēlā me kēia mahina ma mua o 0.95.ʻO ka hoʻokomo ʻana o ka loop compensation filter ʻaʻole ia e hoʻoulu i ka resonance o kēia manawa a i ʻole resonance overvoltage a me ka overcurrent.
Hoʻolālā e hahai i nā kūlana
ʻO ka maikaʻi o ka mana ʻO nā harmonics ākea ākea GB/T14519-1993
ʻO ka maikaʻi o ka mana Ka hoʻololi a me ka flicker GB12326-2000
Nā kūlana ʻenehana maʻamau o ka mea hoʻopaʻi mana reactive haʻahaʻa GB/T 15576-1995
Haʻahaʻa-voltage reactive mana uku mea JB/T 7115-1993
Nā kūlana ʻenehana uku mana reactive;JB/T9663-1999 "Ka mea hoʻoponopono uku hoʻihoʻi haʻahaʻa haʻahaʻa"
ʻO nā palena o ka manawa harmonic i hoʻokuʻu ʻia e ka uila haʻahaʻa haʻahaʻa a me nā lako uila GB/T 17625.7-1998 Nā huaʻōlelo electrotechnical Nā kaha mana GB/T 2900.16-1996
ʻO ke kaha haʻahaʻa haʻahaʻa shunt GB/T 3983.1-1989
Mea hoʻolele GB10229-88
Reactor IEC 289-88
ʻO ka mana uku hoʻihoʻi haʻahaʻa haʻahaʻa e kauoha i nā kūlana ʻenehana DL/T597-1996
Haʻahaʻa-voltage uila hoomalu paʻa papa GB5013.1-1997
Haʻahaʻa-voltage piha switchgear a me ka mana mana GB7251.1-1997
Hoʻolālā manaʻo
Wahi a ke kūlana kikoʻī o ka ʻoihana, ua hoʻolālā kā mākou hui i kahi kikoʻī kikoʻī o ka intermediate frequency induction furnace reactive power compensation filter scheme.E noʻonoʻo pono i ka ukana mana kumu a me ka harmonic suppression, a e hoʻouka i ka hoʻonohonoho o ka haʻahaʻa-voltage reactive mana uku kānana ma ka lalo voltage aoao o ka hui o 0.75KV a me 0.4KV transformers e hoopau harmonics, compensate reactive mana, a hoʻomaikaʻi mana kumu.I ka hana ʻana o ka umu wela waena, hana ka mea hoʻoponopono i nā harmonics 6K + 1, a hoʻohana ʻia ka moʻo Fourier e decompose a hoʻololi i kēia manawa e hana i 5 harmonics o 250HZ a me 7 harmonics ma luna o 350HZ.No laila, i ka hoʻolālā ʻana i ka kānana ineffective uku o ka umu alapine, pono e hōʻoia ʻia e hoʻopaʻa ʻia ke kānana uku lālā kaapuni no ka mana hana ʻole ma ka hoʻopau pono ʻana i nā harmonics o nā alapine ma luna o 250HZ a me 350HZ, a hoʻonui i ka mana.
hana hoʻolālā
ʻO ke kumu mana piha o ka 2-ton intermediate frequency induction furnace i hoʻohālikelike ʻia me ka transformer 2000 kVA e uku ʻia mai 0.78 a ma kahi o 0.95.Pono e hoʻolako ʻia ka mīkini hoʻopaʻi kānana me ka mana o 820 kVA, a e hoʻololi ʻokoʻa i 6 mau pūʻulu o nā mana, kēlā me kēia mea e pili ana i ka wili ʻana ma ka ʻaoʻao voltage lalo o ka transformer no ka uku.ʻO 60KVAR ka hiki ke hoʻololi i ka papa helu, hiki ke hoʻokō i nā koi mana like ʻole o ka umu induction medium frequency.ʻO ka mana piha o ka 1 ton intermediate frequency induction furnace i hoʻohālikelike ʻia me ka 800 kVA transformer e uku ʻia mai ka 0.78 a i ka 0.95.Pono e hoʻolako ʻia nā lako hoʻopaʻi kānana me ka mana o 360 kVA, hiki ke hoʻololi ʻia i 6 mau pūʻulu o ka hiki, a ʻo ka hiki ke hoʻololi ʻia ʻo 50 kVA, hiki ke hoʻokō i nā koi mana like ʻole o ka umu induction induction waena.ʻO kēia ʻano hoʻolālā e hōʻoiaʻiʻo piha ʻia ʻoi aku ka kiʻekiʻe o ka mea mana hoʻoponopono ma mua o 0.95.
Ka nānā 'ana i ka hopena ma hope o ka ho'okomo 'ana i ka uku kānana
I ka hoʻomaka ʻana o Iune 2010, ua hoʻokomo ʻia a hoʻokomo ʻia ka mīkini hoʻopaʻi mana reactive filter intermediate frequency furnace filter.Hoʻopili maʻalahi nā mea hana i ka hoʻololi ʻana o ka umu induction induction intermediate frequency induction, hoʻopiʻi pono i ka ukana reactive, a hoʻomaikaʻi i ke kumu mana.nā kikoʻī penei:
Ka manawa hoʻouna: Apr-14-2023