Parizvino, simba rakaoma reshanduro yeChina kazhinji ari matatu-chikamu akasimba anoumba SC akateedzana, senge: SCB9 akateedzana matatu-chikamu chikamu ichitenderera transformer, SCB10 akateedzana matatu-danho foil transformer SCB9 akateedzera matatu-chikamu foil transformer. huwandu hwe6-35kV, iyo yakakwira inokwana kusvika 25MVA.Dry transformer inowanzo kuve yakakamurwa kuita yakaomeswa yakaoma transformer uye resin yakaoma transformer mapoka maviri.
1. Yakaisirwa yakaoma yakaoma mhando shanduko
Iyo tambo yeiyo yakaisirwa yakaoma yakaoma mhando transformer muChina yakafukidzwa negirazi waya, uye iyo pad iri inopisa yakatsimbirirwa neinoenderana inovhara zvinhu. Inonyanya kushandiswa muzviteshi zve hydropower uye zvivakwa zvepamusoro zvine yakanaka yekudzivirira moto.
Nekuda kwemusiyano wekuisa mushonga pendi, shanduko yekushandura yakakamurwa kuita B, F, H, C, main uye yakatwasuka kuputira (main insulation pakati peiyo ichitenderera uye ichitenderera uye pakati peiyo ichitenderera uye yepakati kuputira.
Vertical insulation inoreva iko kuputira pakati pezvakasiyana mapoinzi uye akasiyana zvikamu zveiyo transformer ichitenderera ine akasiyana mikana, kunyanya inosanganisira iko kuputira mashandiro pakati pekutendeuka, zvidimbu uye zvikamu zvemhepo.Mhepo inoshandiswa seyakavharidzira svikiro.
Rudzi rweiyi shanduko inokanganiswa nharaunda kupfuura iyo resin mhando yakaoma yakaoma shanduko, chimiro nehuremu zvakare zvakakura, zvinoburitswa kumba nekune dzimwe nyika zvinowanzo kudzikira.
Kune zvisimbiso zvekupedzisira kumagumo ese emhepo, asingatyi mafungu, yakasimba moto kudzivirira, kudzivirira moto mumoto wakavhurika pa750 ℃, iri mhando nyowani yeshanduki yakaoma. Kukanda transformer inotungamira zvigadzirwa kunogona kugoverwa muzvikamu zvitatu zvinotevera.
Rudzi rwekutanga, rwunonzi waya ronda ichikanda shanduri, yakakwira voltage waya wekupwanya silinda kukanda, yakaderera voltage waya waya ronda (kana segmented humburumbira) kukanda; Li Qian, Shaanxi province Electric Power (group) Co., LTD. Ziva kuti hapana yekuzadza kukanda.
Rudzi rwechipiri, rwunonzi firipi-ronda kurasa shanduri, yakakwira voltage ine segmented foil-ronda kukanda mhando, yakaderera voltage ndeyemhangura foil (kana aluminium foil) ichitenderera mhando; Kukanda kunokandwa ne filler.
Mhando yechitatu, yakanyanya kumanikidza waya ronda kutyora humburumbira kudira mhando, yakaderera kumanikidza mhangura foil (kana aluminium pepa) ichitenderera mhando; Kukanda kunokandwa pasina kuzadza.
Idzi mhando nhatu dziri pamusoro dzezvigadzirwa zvine hunhu hwadzo mukugadzirwa nekuitwa kwezvigadzirwa, uye parizvino zvinotora chikamu chemusika mumusika. Muchikamu chino, tinotarisa panhaurwa yewaya ronda kudira ma transformer.
2. Wire ronda cast cast transformer
2.1. Structural maficha
Muchikamu chechipiri chemagetsi cheBaoji, Shaanxi province, maomaidhaidha akaoma anoshandiswa mufekitori ese waya akaputirwa achidurura ma transformer, aine voltage giredhi re6 kV, inokwana 100 kVA kusvika 1600 kVA, uye kuiswa kwemukati.
Iyo yakakwira uye yakaderera magetsi mavhiri echinhu chacho akagadzirwa nendarira waya, yakanyatsokuvadzwa, girazi faibha yakasimbiswa, yakatetepa kuputira, resin isina kuzadza, yakaisirwa kudira pasi pevhavha yenyika, uye yakaporeswa zvinoenderana nechero tembiricha inorapa curve.
Iyo yepamusoro voltage ichitenderera inotora yakasarudzika segmented humburumbira chimiro, uye yakaderera voltage ichitenderera inotora yakawanda-yakasarudzika humburumbira mhando, segmented humburumbira mhando kana yakasarudzika segmented humburumbira mhando zvinoenderana nemhando yemagetsi.
2.2 Unyanzvi Zvimiro
2.2.1 kukanganisa kuramba waya ronda kudira kweiyo transformer hv ichitenderera inotora yakakosha chikamu chikamu chesilindrical chimiro, chimiro ichi chakavakirwa pane zvakajairika chikamu bobbin ichitenderera, yakajairika chikamu chidimbu chesilinda mhando zvese zvakagara nhaka zvakanakira bobbin ichitenderera kukanganisa kuramba, uye yakagadzirisa iyo bobbin ichitenderera dura repamusoro voltage pakati pekupokana, inoyevedza mamiriro ekuchinjisa, Inowanzo danwa kuti isinga-resonant ichitenderera chimiro.
Inofananidzwa neyakajairwa segmented humburumbira, yakasarudzika segmented humburumbira inogona kuwedzera kudzikisa iyo voltage pakati pezvikamu, kuvandudza magetsi kugoverwa, uye nekuvandudza zvakanyanya simba rekusangana nemhepo yekudenga uye kushanda kwemhepo.
Iko kusagadzikana kusagadzikana hakungobatanidzwe chete neichi chimiro cheiyo ichitenderera, asi zvakare zvinoenderana nekukanda mhando yeiyo ichitenderera uye nemagetsi emagetsi echinhu ichivhara.
Mushure mekumhanyisa kwechigadzirwa chapera, inodururwa neine yakachena resin muvhavha yenyika, uye hapana zadza rinowedzerwa, kuitira kuti kuyerera kwekuita kwesinesi kusaderedzwa.
Uye nekuti iyo ichitenderera yakakuvadzwa newaya, iyo resin inogona kunyatsozadza iyo ichitenderera, zvisinei kubva kune axial kana radial nzira yekutenderera, uye hapana bubble mukati.
Abstract: Iri bepa rinosvitsa kupatsanura uye hunhu hweyakaomesesa shanduko, uye rinotarisa pane chimiro chimiro chewaya ronda kudira shanduri, hunyanzvi hunhu, kutonhora sisitimu, tembiricha kudzora system uye zvichingodaro, yakapfupisa tarisiro yekusimudzira yeakaoma transformer. yakaoma shanduko; Wironda ronda rinokanda shandurudzo.
Resin uye girazi faibha rinoumbwa rakasimba kuputira, kwete chete yakanaka rova kuramba, uye yemuno zvinoyerera idiki kwazvo.
2.2.2. Yakanaka michina simba uye yakasimba pfupi-redunhu kuramba. Kune iyo segmented cylindrical mhando yewaya ichitenderera, mushure mekudhonza vhoriyamu, iyo resin inogona kunyorova pakati pezvikamu, kutendeuka uye zvikamu zveiyo ichitenderera kamwechete.
Mushure mekurapa, resin, waya uye girazi faibha zvakabatanidzwa zvakanyanya kuti zviite yakasimba kuomarara muviri mamiriro.Iye yakasimba simba mechimiro zvimiro zvechimiro zvinotarisisa kuti tambo yeronda yekukanda zvigadzirwa ine yakanaka pfupi-redunhu kuramba.
Iyo yekupisa yekuwedzera coefficient yeakaumbwa insulating zvinhu inoumbwa nekuporesa nebwe uye girazi faibha iri (18 ~ 20) × 10-6 / K, uye iyo yekuwedzera mwero yemhangura inoshandiswa mukumhanyisa ndeye 17 × 10-6 / K, iri padhuze padhuze nepaviri. Inobvisa kunetsekana kwemuchina pakati peiyo inoitisa conductor uye inodzivirira zvinhu zvinokonzerwa nekupisa kwekuwedzera uye kutonhora kudzvinyirira panguva yekushanda kweshanduko.Kubva pamudzi kubvisa chinoitika chekutsemuka.
Sezvo chigadzirwa chacho chakakandirwa neine resin pakakwirira uye yakaderera kumanikidza uye iyo simbi musimboti yakaputirwa nebwe, ine hunyoro hwakasimba uye ngura kuramba.
Nekuti iyo yekuumbirisa kuputira inoumbwa yakachena resin uye girazi faibha ine yakanyanya kukwirira magetsi simba, iyo yepamusoro kuputira ukobvu hwechigadzirwa inongova 1.5 ~ 2 mm, iyo inovandudza zvakanyanya kupisa kupisa kupera kweiyo inotenderera pamusoro.
2.3. Kutonhora system uye dziviriro
Shanduri dzakaomeswa dzakatonhora nemhepo chaiyo kutonhodza uye kumanikidzwa kutenderera kwemhepo kutonhodza. Yemhepo mweya kutonhodza inogamuchirwa kuti ishandise zvakajairika mashandiro eiyo transformer pasi yakatarwa mutoro. Iyo yakaoma maTransformer anoshandiswa muhoji Nha. fan.
Mushure mekutonhora nekumanikidzwa kwemhepo kutenderera, kugona kweyakaomeswa-mhando transformer ine 800 kVA uye pazasi inogona kuwedzerwa ne40%, uye iya yeakaomesesa-mhando shanduko ine 800 kVA uye pamusoro inogona kuwedzerwa ne50%, uye inogona kumhanya ichienderera.
Yakaoma mhando shanduko inowanzo IP00 dziviriro, ndiko kuti, isina goko, kushandiswa kwemukati, Baoji yechipiri magetsi chirimwa iko kushandiswa kweiyi dziviriro modhi. Zvakare maererano nezvinodiwa nemushandisi, wedzera inodzivirira goko.
Iyo IP20 dzimba inodzivirira kupinda kweyakaomarara nyaya yekunze yakakura kupfuura 12 mm uye inopa chipingaidzo kune izvo zvipenyu zvikamu. Kana IP23 dziviriro ikagamuchirwa, kunze kweiyo IP20 yekuchengetedza basa, zvakare ine basa rekudzivirira kuputika kwemvura.
2.4. Kupisa kwekushisa system
Iyo yakachengeteka uye yakavimbika mashandiro uye hupenyu hwehupenyu hwemasimba shanduko inowanzoenderana nekuchengeteka uye kwakavimbika kuputira kweiyo transformer ichitenderera. Tembiricha yeiyo inotenderera inopfuura iyo yekudziya tembiricha ndechimwe chezvikonzero zvikonzero zvekuti kuputira kwakaparadzwa uye mududziri haagone kushanda zvakajairika.
SC yakateedzera waya ronda kukanda shandura inoshandisa XMTB otomatiki tembiricha kudzora dziviriro system.Aplatinamu yekupisa yekudzivirira tembiricha yekuyera chinhu chakadzamirwa mukutanga kutendeuka kweyepasi-voltage ichitenderera waya kuti ione otomatiki kusimuka kweiyo ichitenderera, kuratidza tembiricha yevatatu -phase yakaderera-voltage ichitenderera, uye nekupa kudziya kwekudziya kwavari.
Nekuchinja kwetembiricha yekukwirisa uye mutoro, kana ichitenderera ichisvika pamuganho tembiricha, tembiricha controller inozvitumira yega kutumira chiratidzo kudzora fan inotanga (110 ℃), fan fan (90 ℃), alarm (120 ℃) uye rwendo (145 ℃), kuitira kuti chigadzirwa chive chakavimbika pamusoro-mutoro kudzivirirwa mukushanda.
SC3 akateedzera wayawound achikanda ma transformer anotora M & C patent tekinoroji yekuona tembiricha uye kudzora kweanoshandura windings, uye inogadzira tembiricha controller iyo inogona kuona zvakananga kutonhora kweiyo windings, uye woziva yekumanikidza mweya kutonhodza (AF) kutonga, pamusoro pekupisa alarm uye yekuwedzeredza rwendo rweiyo transformer.
Mushure mekugadziriswa kwetsika kwetembiricha yekudziya, iyo inoshandura inotanga kuiswa mukubata kwenetwork, uyezve tembiricha inodzidziswa kuti ishandiswe. Iyo tembiricha controller iri mumamiriro e otomatiki kutonga, uye kupisa kwekuonekwa uye kuchengetedza kweiyo transformer kunoitwa. Kana tembiricha yekuchinjisa yakakwira kupfuura 110 ℃, tembiricha controller inotanga feni yekumanikidza kutonhora; Kana iyo tembiricha inotenderera ichidonha pazasi pe90 ℃ pasi pekumanikidzwa kwemhepo kutonhora, fan inomira.
Kana iyo tembiricha yeiyo ichitenderera ichinge yawedzera, iyo tembiricha controller ichaburitsa pamusoro pekupisa alarm (155 ℃) uye yekuwedzera tembiricha yerwendo (170 ℃) .Kana iyo tembiricha controller ikatadza uye isingakwanise kubviswa kwechinguva, bvisa iyo tembiricha controller, iyo transformer inogona kuramba ichishanda, inongoda kuongorora uye kuona kuti shanduri iri mune yakajairika mashandiro nyika.
3. Kufananidza pakati peakaomesesa transformer nemafuta-akanyudzwa transformer
Izvo zvakakosha zvakanakira nemutengo wakaderera wemafuta-akanyudzwa ma transformer anonetsa kutsiva nemamwe ma transformer.Mune zvekunze uye moto kuchengetedza zvinodiwa kwenzvimbo dzese, parizvino uye mune ramangwana kwenguva yakareba yenguva, zvicharamba zvichinyanya kuve mafuta akanyudzwa transformer. .
Asi yenzvimbo dzine yakakwira moto inodzivirira zvinodiwa, yakaoma mhando kana isingatsve mvura uye isinga pise magezi magemura anoshandiswa.Iye yakaoma transformer ine yakanyanya kuwandisa huremu kupfuura iyo mafuta akanyudzwa mududziro, kunyanya nekuti iyezvino density yeyakaoma transformer yakaderera Iko kugona kwekupisa kwakakura, uye nguva yekumhanyisa inogara yakakura.
Inofananidzwa neoiri - yakanyudzwa transformer, iyo yekumisikidza inoshanda mamiriro eakaoma transformer inovandudzwa.Oiri yakanyudzwa transformer inoshandisa dzimwe nzvimbo, yekunze yekuisa zvimwe.
Yakaomeswa shandura magetsi magetsi renji idiki, indoor mashandiro.Ichienzaniswa neoiri-yakanyudzwa magemura, inotambura neyezasi mheni voltage amplitude, inononoka wave musoro uye zvishoma mheni rova mukana.
Shanduri dzakaomarara dzinowanzo dzivirirwa nesimbi oxide inosunga, iyo isingogadzise kuwanda kwemhepo, asi zvakare inogumira kuwanda kwemukati.
Post nguva: Jul-26-2021