Pakadali pano, magetsi osinthira aku China amakhala magawo atatu olimba kupanga SC, monga: SCB9 mndandanda wazigawo zitatu zokhotakhota zosinthira, SCB10 mndandanda wazigawo zitatu za thiransifoma SCB9 mndandanda wazithunzi zitatu zosinthira. osiyanasiyana a 6-35kV, okwanira mpaka 25MVA.Dry thiransifoma imagawidwa m'magawo awiri osakanikirana osakanikirana kwambiri.
1. Thupi losinthira louma lotsekemera
Chingwe cha chosinthira chouma chokhazikika ku China chimakutidwa ndi waya wamagalasi, ndipo pediyo ndi yotentha ndi zomwe zimakutetezani. Amagwiritsidwa ntchito kwambiri m'malo opangira ma hydropower komanso nyumba zazitali zokhala ndi moto wabwino.
Chifukwa cha kusiyanitsa utoto, kutchinjiriza kwa thiransifoma kumagawika B, F, H, C, kutchinjiriza kwakukulu komanso kopingasa (kutchinjiriza kwakukulu pakati pa kumulowetsa ndi kumulowetsa komanso pakati pokhotakhota ndi kutchinjiriza kwapakati.
Kutsekemera kwowongoka kumatanthawuza kutchinjiriza pakati pa magawo osiyanasiyana ndi magawo osiyanasiyana a thiransifoma omwe ali ndi kuthekera kosiyanasiyana, makamaka kuphatikiza magwiridwe antchito pakati pamizere, magawo ndi magawo azitsulo.Air imagwiritsidwa ntchito ngati cholumikizira.
Mtundu woterewu umakhudzidwa ndi chilengedwe kuposa utomoni wouma wouma, mawonekedwe ndi kulemera kwake kulinso kokulirapo, zotulutsa kunyumba ndi akunja zimakonda kuchepa.
Pali zisindikizo zomalizira kumapeto onse azitsulo, osawopa mafunde, kukana moto mwamphamvu, kupewa moto pamoto pa 750 ℃, ndi mtundu watsopano wa thiransifoma youma. Kuponyera zotsogola zotsogola zitha kugawidwa m'magulu atatu otsatirawa.
Mtundu woyamba, womwe umatchedwa waya wama waya woponyera chosinthira, mphamvu yake yayikulu ndikutulutsa kwa waya kuponyera yamphamvu, mphamvu yamagetsi yotsika ndi waya yamiyala (kapena yamphamvu); Li Qian, Shaanxi district Electric Power (group) Co., LTD. Chidziwitso cha osadzaza chilichonse.
Mtundu wachiwiri, womwe umatchedwa chosinthira cha foil-bala, mphamvu yake yayikulu imagawika mtundu woponyera-bala, otsika kwambiri ndi zojambulazo zamkuwa (kapena zojambulazo za aluminiyamu);
Mtundu wachitatu, kuthamanga kwa waya wothyola silinda kutsanulira mtundu, zojambulazo zamkuwa zochepa (kapena zojambulazo za aluminiyamu) zamtundu wokhotakhota; Kuponyera kumayikidwa popanda kudzaza.
Mitundu itatu yapamwambayi ili ndi mawonekedwe ake pakupanga ndi kugulitsa zinthu, ndipo pakadali pano ali pamsika wina pamsika. Munkhaniyi, tikambirana za zokambirana zama waya othira osinthira.
2. Waya bala thiransifoma
2.1. Zomangamanga
Pachomera chachiwiri champhamvu cha Baoji, m'chigawo cha Shaanxi, ma thiransifoma owuma omwe amagwiritsidwa ntchito mufakitore onse ndi wokutidwa ndi waya osinthira, okhala ndi magetsi a 6 kV, mphamvu ya 100 kVA mpaka 1600 kVA, ndikukhazikitsa m'nyumba.
Ma voliyumu apamwamba komanso otsika a chipangizocho amapangidwa ndi waya wamkuwa, mabala athunthu, magalasi olumikizidwa bwino, kutsekemera kocheperako, utomoni wopanda pobowola, kuthira impregnated pansi paza zingalowe, ndikumachiritsidwa kutengera kutentha kwapadera komwe kumachiritsa.
Kutsika kwamphamvu kwamagetsi kumatengera mawonekedwe amiyala yamphamvu, ndipo kutsika kwamphamvu kwamagetsi kumatengera mitundu yamitundu ingapo yamitundu, yamitundu yamitundu yamitundu yamitundu itatu yamphamvu malinga ndi mulingo wamagetsi.
2.2 Zida Zamakono
2.2.1 kukaniza waya waya bala kutsanulira kwa thiransifoma hv kumulowetsa utenga kapangidwe kakang'ono kakang'ono kazitsulo, kapangidwe kameneka kazikidwa pagawo lofala la bobbin, mtundu wamba wa silinda yamtunduwu onse adalandira zabwino zakukankhira kwa bobbin, ndikuthetsa bobbin wokulungira wosanjikiza wapamwamba voteji pakati pa zotsutsana, ndimapangidwe abwino oyendetsera, Nthawi zambiri amatchedwa mawonekedwe osagwiritsika ntchito.
Poyerekeza ndi silinda wamba wokhala ndi segmented, silinda yapadera yomwe ingagawidwe imatha kuchepetsa mphamvu yamagetsi pakati pa zigawo, kukonza magawidwe amagetsi, ndikuthandizira kwambiri mphamvu yakuthana ndi kuphulika kwamlengalenga ndikugwiritsa ntchito kuphulika.
The kukana amadza si zokhudzana kokha ndi kapangidwe ka kumulowetsa, komanso zimadalira pa kuponyera khalidwe la kumulowetsa ndi mphamvu zamagetsi za zinthu zotetezera kutentha.
Kutsirizitsa kwa mankhwalawa kumamalizidwa, amathiridwa ndi utomoni woyela m'malo opumira, ndipo palibe chowonjezera chomwe chikuwonjezeredwa, kuti magwiridwe antchito a utomoni asachepe.
Ndipo chifukwa kumulowetsa kumangirizidwa ndi waya, utomoni umatha kukhathamiritsa kwathunthu, mosasamala kanthu za mbali ya axial kapena radial yokhotakhota, ndipo mkati mwake mulibe thovu.
Zolemba: Pepala ili limafotokoza za magawidwe ndi mawonekedwe a chosinthira chowuma, ndipo limayang'ana kwambiri mawonekedwe amtundu wa waya wothira chosinthira, luso, kuzirala, makina owongolera kutentha ndi zina zotero, mwachidule chiyembekezo chakukula kwa chosinthira chowuma. thiransifoma wouma; waya bala akuponyera gulu la thiransifoma.
Utomoni ndi CHIKWANGWANI chamagalasi chopangidwa ndi kutchinjiriza kolimba, osati kokha kukhudzidwa kwamphamvu, komanso kutulutsa kwamderali ndikochepa kwambiri.
2.2.2. Mphamvu yabwino yamakina komanso kukana kwakanthawi kochepa. Mtundu wama waya wamagawo amtundu umodzi, utatsanulika, utomoni utha kuthiridwa pakati pamizere, kutembenuka ndi magawo a kumulowetsa nthawi imodzi.
Pambuyo pochiritsa, utomoni, waya ndi magalasi amaphatikizika mwamphamvu kuti apange thupi lolimba. Mphamvu zamphamvu zamakonzedwe azipangidwe zimatsimikizira kuti zingwe zoponyera mabala zazingwe zimakhala ndi kukana kwakanthawi kochepa.
Matenthedwe okulira koyefishienti ophatikizika otetezera zinthu opangidwa ndi kuchiritsa utomoni ndi magalasi CHIKWANGWANI ndi (18 ~ 20) × 10-6 / K, ndi koyefishienti kukula kwa mkuwa ntchito kumulowetsa ndi 17 × 10-6 / K, ndilo kwenikweni pafupi ndi awiriwo. Zimathetsa kupsinjika kwamakina pakati pamakina oyendetsa ndi zinthu zotetezera zomwe zimayambitsidwa ndikukula kwamatenthedwe komanso kuzizira kozizira panthawi yogwiritsira ntchito transformer.Kuchokera muzu kuti muchepetse chodabwitsa.
Monga mankhwala ndi kuponyedwa ndi utomoni kuthamanga mkulu ndi otsika ndi pachimake chitsulo TACHIMATA ndi utomoni, ali chinyezi amphamvu ndi dzimbiri resistance.When chinyezi mpweya wachibale ndi 100%, akhoza kuthamanga kwa nthawi yaitali.
Chifukwa kutchinjiriza kophatikizika komwe kumapangidwa ndi utomoni wangwiro ndi magalasi okhala ndi magalasi ali ndi mphamvu yamagetsi yayikulu kwambiri, makulidwe akapangidwe kazinthuzo ndi 1.5 ~ 2 mm yokha, yomwe imathandizira kwambiri kutentha kwanyumba koyipa komwe kumakhazikika.
2.3. Njira yozizira ndi chitetezo
Ma transformer owuma amatenthedwa ndi kuzirala kwa mpweya wachilengedwe komanso kuziziritsa kwa mpweya kuziziritsa. Kuzizira kwachilengedwe kwa mpweya kumavomerezedwa kuti zitsimikizire kuyendetsa bwino kwa chosinthira pansi pa katundu wovoteledwa. zimakupiza.
Pambuyo pozizira ndi kukakamizidwa kwa mpweya, mphamvu yosinthira mtundu wouma wokhala ndi 800 kVA ndi pansipa itha kukulitsidwa ndi 40%, ndipo yosinthira yamtundu wouma yokhala ndi 800 kVA ndi pamwambapa imatha kuwonjezeka ndi 50%, ndipo imatha kuthamanga mosalekeza.
Mtundu wosinthira wouma nthawi zambiri umakhala chitetezo cha IP00, ndiye kuti, popanda chipolopolo, kugwiritsa ntchito m'nyumba, Baoji chomera chamagetsi chachiwiri ndi kugwiritsa ntchito njira yotetezerayi.
Nyumba ya IP20 imalepheretsa kulowa kwa zinthu zakunja zolimba zoposa 12 mm ndipo zimapereka chotchinga kumagawo amoyo. Pomwe chitetezo cha IP23 chithandizidwa, kupatula ntchito yoteteza IP20, imagwiranso ntchito kupewetsa kuphulika kwa madzi.
2.4. Kutentha dongosolo
Ntchito yotetezeka komanso yodalirika komanso moyo wautumiki wamagetsi wamagetsi umadalira kutchinjiriza kosadalirika komanso kosadalirika kwa kutentha kwa thiransifoma Kutentha kwa kumulowetsa kupitilira kutentha kwa kutchinjiriza ndichimodzi mwazifukwa zazikulu zakuti kutchinjiriza kwawonongeka ndipo chosinthira sichingagwire bwino ntchito.
SC mndandanda waya bala kuponyera thiransifoma utenga XMTB zodziwikiratu kutentha kulamulira chitetezo system.A pulatinamu matenthedwe kukana kutentha kuyeza amafotokozera ali ophatikizidwa mu kutembenuka koyamba kwa otsika-voteji kumulowetsa waya kuti basi kudziwa kutentha kukwera kwa kumulowetsa, kusonyeza kutentha kwa atatu -phase otsika-voteji kumulowetsa, ndi kuteteza matenthedwe kwa iwo.
Ndi kusintha kwa kutentha kozungulira ndi katundu, pakamazungulira pakatentha, woyang'anira kutentha amangotumiza chizindikiro kuti ayang'anire zimakupiza (110 ℃), fan fan (90 ℃), alamu (120 ℃) ndiulendo (145 ℃), kuti malonda ali odalirika pa-chitetezo chitetezo pa ntchito.
SC3 mndandanda wama waya oponyera makina osinthira amatengera ukadaulo wa M & C wokhala ndi patenti yozindikira kutentha ndi kuwongolera ma thiransifoma, ndikupanga chowongolera kutentha chomwe chitha kuzindikira kutentha kwa windings, ndikuzindikira kuwongolera kozizira kwa mpweya (AF), alarm yotentha kwambiri komanso ulendo wopitilira muyeso wa thiransifoma.
Pambuyo pokonza zolakwika pazowongolera kutentha, chosinthira chimayikidwa muukonde, kenako chowongolera kutentha chimapatsidwa mphamvu kuti zigwire ntchito. Wowongolera kutentha ali mgulu lazowongolera zokhazokha, ndipo kuzindikira kutentha ndi kuteteza kwa thiransifoma kumachitika. Pamene kutentha kwa kumulowetsa kumakhala kopitilira 110 ℃, woyang'anira kutentha amayamba zimakupiza kuti kuzizilitsa mokakamizidwa; Ngati kutentha kotsika kumatsika pansi pa 90 ℃ pansi pozizira mokakamizidwa, zimakupiza zimasiya.
Ngati kutentha kwa kumulowetsa kukukulirakulira, woyang'anira kutentha amatulutsa alarm yotentha kwambiri (155 ℃) ndi chizindikiritso chaulendo wopitilira muyeso (170 ℃) .Wotentha akadzalephera ndipo sangachotsedwe kwakanthawi, chotsani woyang'anira kutentha, chosinthira amatha kupitiliza kugwira ntchito, amangofunika kuwunikira ndikuwonetsetsa kuti thiransifoma ikugwira ntchito bwino.
3. Kuyerekeza pakati pa chosinthira chowuma ndi chosinthira mafuta
Ubwino wake komanso mtengo wotsika wa osintha mafuta mumadzi ndizovuta kuzisintha ndi ma thiransifoma ena.Kufunika kwakunja ndi chitetezo chamalo m'malo onse, pakadali pano komanso mtsogolo kwa nthawi yayitali, kudzakhalabe mafuta osinthira mafuta kwambiri. .
Koma m'malo okhala ndi zoteteza pamoto, mtundu wouma kapena osasintha moto osinthira amadzimadzi amagwiritsidwa ntchito. Tiransifoma youma imakhala ndi mphamvu zochulukirapo kuposa chosinthira mafuta, makamaka chifukwa kuchuluka kwa chosinthira chouma ndikotsika , kutentha kwake ndi kwakukulu, ndipo nthawi yokhotakhota nthawi zonse imakhala yayikulu.
Poyerekeza ndi mafuta osindikizira mafuta, mawonekedwe osinthira otetezera owuma amasinthidwa bwino.
Mphamvu yamagetsi yamagetsi yamagetsi yamagetsi yaying'ono, yaying'ono, yogwira ntchito m'nyumba.Poyyerekeza ndi mafuta osintha mafuta, imakhala ndi matalikidwe ochepetsa mphezi, mutu wamafunde wocheperako komanso mphezi zochepa.
Ma transformer owuma nthawi zambiri amatetezedwa ndi ma oxide osunga zitsulo, omwe samangolepheretsa kuphulika kwamlengalenga, komanso amachepetsa kuphulika kwamkati.
Post nthawi: Jul-26-2021