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Mafuta omizidwa ndi maginito olamulidwa ndi maginito

Shunt reactor

Mafuta omizidwa ndi maginito olamulidwa ndi maginito

Magnetic controlled reactors (MCR) ndi mtundu wa shunt riyakitala yokhala ndi mphamvu yosinthika, yomwe imagwiritsidwa ntchito makamaka pakulipirira mphamvu zamagetsi zamagetsi.

    Maginito olamulidwa riyakitala

    Kodi MCR ndi chiyani?
    Magnetic controlled reactors (MCR) ndi mtundu wa shunt riyakitala yokhala ndi mphamvu yosinthika, yomwe imagwiritsidwa ntchito makamaka pakulipirira mphamvu zamagetsi zamagetsi.
    MCR ili ndi maginito valavu kulamulira permeability wa riyakitala pachimake, amene amakhutitsa lonse chitsulo pachimake ndi bwino ntchito kwambiri ndi kusintha kapangidwe ka ng'anjo maginito pamaziko a chikhalidwe machulukitsidwe maginito ndi riyakitala. kuti muzitha kuyendetsa bwino ma electrodeless regulator. Chithunzi cha schematic chili motere:
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    Kodi MCR imagwira ntchito bwanji

    MCR zachokera mfundo ya DC maginito, ntchito zina DC zokomerera maginito riyakitala pachimake, ndi kusintha maginito machulukitsidwe digiri pachimake cha MCR, kusintha permeability wa pachimake, kukwaniritsa mosalekeza chosinthika reactance mtengo. The shunt maginito dera wapangidwa ndi pachimake mu unsaturated dera ndi pachimake mu ano zimalimbikitsa dera anakonza alternately pa pachimake cha riyakitala; ndi maginito maginito pachimake ndi zina DC zokomerera panopa umalamulidwa ndi kusintha thyristor kuyambitsa conduction ngodya; Digiri ya magnetization ndi gawo la machulukidwe apakati pagawo lopanda unsaturated ndi dera lochulukira zimasinthidwa posintha malo kapena kukana kwa maginito pachimake m'dera lopanda unsaturated ndi dera lodzaza mu shunt magnetic circuit pachimake amatha kuzindikira kusinthika kosalekeza komanso kwachangu kwa mtengo wamachitidwe kuchokera ku 1% mpaka 100%. Kuphatikizidwa ndi capacitor, imatha kupereka mphamvu zabwino komanso zoyipa zomwe zimasinthidwa mosalekeza, kotero zimatha kuwongolera voteji yamagetsi ndi mphamvu yogwira ntchito molondola komanso mwachangu. Chifukwa palibe kapena kukhudzidwa pang'ono kwambiri ndi inrush chifukwa cha kusintha kwa capacitor, kudalirika ndi moyo wautumiki wa chipangizocho ukhoza kusintha kwambiri. Ikhoza kubwezera magawo atatu padera, makamaka pankhani ya kusalinganika kwa mphamvu ya magawo atatu.

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    Kodi ntchito ya MCR ndi chiyani

    1. Wonjezerani mphamvu yamagetsi ndikuchepetsa kutayika kwa mzere chifukwa cha mphamvu zowonongeka , kupititsa patsogolo mphamvu ya ogwiritsira ntchito mphamvu.
    2. Kupondereza ndi kusefa ma harmonics, kuchepetsa kusinthasintha kwa magetsi, flicker, kusokoneza ndi kukhazikika kwa magetsi, kupititsa patsogolo moyo wautumiki wa ma transformer, mizere yotumizira ndi zipangizo zina zamagetsi.
    3.As reactive power compensation, MCR akhoza kusintha linanena bungwe zotakasika mphamvu bwino, amene ali ndi ntchito zambiri kuposa zonse zotakasika mphamvu chipukuta misozi zida.
    4. Chepetsani mphamvu ya gridi yamagetsi am'deralo monga asynchronous motor start, ng'anjo yamagetsi yamagetsi arc ndikuwongolera chitetezo chadongosolo, makamaka pamaneti ofooka apano.

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    Ubwino wa MCR ndi chiyani?

    1.no chinthu chochita mkati, chomwe sichingakhudze dongosolo;
    2.Stepless regulation amatha kuzindikira kubweza kosalekeza kwa mphamvu zotakataka;
    3.Kugwira ntchito motetezeka, kukonza kwaulere komanso osayang'aniridwa;
    4.Kutayika kochepa (kudzitaya
    5.Low yogwira kutaya mphamvu;
    6.Small harmonic (osakwana 50% ya mankhwala ofanana);
    7.Ubwino wodalirika, moyo wautali wazinthu (zaka zoposa 25);
    8.Convenient unsembe ndi malo ang'onoang'ono pansi;
    9.Kuchuluka kwamphamvu kwamphamvu, kumatha kudzaza 150% munthawi yochepa;
    10.Palibe kusokoneza ma elekitiroma ndi kuipitsa chilengedwe.

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    Ndi malo otani omwe amagwiritsa ntchito MCR

    Sitima yamagetsi yamagetsi
    Katundu wa njanji yoyendera magetsi ndi yochepa. Pamene locomotive yamagetsi ikudutsa, katunduyo akuwonekera mwadzidzidzi. Sitima ikadutsa, katunduyo amasowa. Kugwiritsa ntchito switching capacitor yachikhalidwe kumapangitsa kuti malo osinthira azitha kusintha mazanamazana tsiku lililonse. Zochita, zomwe zimafupikitsa kwambiri moyo wautumiki wa zida zamagetsi, ndipo asymmetry ya njanji yamagetsi imapangitsa kuti gawo lake loyipa likhale lovuta kwambiri.
    Malasha ndi Chemical
    Pali kuchuluka kwazinthu zomwe zimachitika pakanthawi kochepa monga ma hoists m'mabizinesi a malasha, omwe samangokhala ndi kusinthasintha kwakukulu kwamagetsi komanso kuipitsidwa kwakukulu kwa harmonic, komwe kumayambitsa kuwonongeka kwa zida zamagetsi komanso kumakhudza moyo wautumiki wa zida zamagetsi.
    Metallurgy
    Katundu wa mphero ndi ng'anjo yamagetsi yamagetsi muzitsulo zazitsulo ndi mtundu wa katundu wapadera. Ikhoza kusintha katundu kuchokera ku mtengo waung'ono kupita ku mtengo waukulu kwambiri mu nthawi yochepa kwambiri (osachepera 1s), ndipo nthawi zambiri kusintha kumakhala mofulumira kwambiri. Zotsatira zake, zida zowonetsera m'mabizinesiwa zimagwedezeka nthawi zonse pa liwiro lalikulu.
    Mphepo munda
    Zipangizo za SVC zochokera ku MCR zimagwiritsidwa ntchito posintha mosalekeza, osalumikizana, komanso kusintha kosinthika kwa mphamvu zotakataka m'malo opangira mphepo, kuwongolera mphamvu yamakina, kusintha mwachangu mphamvu yotulutsa mphamvu, komanso kulimbikitsa kuchira kwamagetsi.
    Malo opangira magetsi
    Mavuto ogwiritsira ntchito ma capacitor otsika komanso kasamalidwe kosintha kovutira ali ponseponse. Zida zambiri za VQC zomwe zimayikidwa zimatha kuyambitsa zovuta monga kusintha pafupipafupi kwa mabanki a capacitor ndi ma switch owongolera pafupipafupi, omwe amachepetsa moyo wa zida ndikuwonjezera ngozi zachitetezo.
    Ogwiritsa ntchito mafakitale apadera
    Makampani opanga nsalu ndi opanga ma chubu azithunzi ali ndi zofunika kwambiri pamtundu wazinthu zomwe amapanga komanso mtundu wamagetsi a gridi yamagetsi. Kutsika kwadzidzidzi kwamagetsi kapena kutsika kwakanthawi kungayambitse kuchuluka kwa zinyalala pazogulitsa zawo. Kugwiritsa ntchito zida zolipirira mphamvu zamtundu wa MCR zamtundu wa static reactive kumatha Kupititsa patsogolo mphamvu yake yamagetsi pakanthawi kochepa.

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    Kodi MCR mtundu SVC ndi chiyani?

    Mtundu wa MCR SVC ndi chimodzi mwa zida zolipirira shunt. Imawongolera kukula kwa chowonjezera chowonjezera cha DC poyang'anira momwe mungayendetsere kachipangizo ka thyristor mu MCR, imasintha ma permeability a pachimake, imasintha mtengo wa reactance ya riyakitala, imasintha kukula kwa zomwe zimatuluka, ndikusintha. kukula kwa mphamvu zochitira chipukuta misozi.
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