Iindaba

Iimpawu eziphambili ze-S13 coil core transformer
4.1 Undoqo wentsimbi
Umsebenzi wezinto eziphathekayo awukho ngaphantsi kwe-30ZH110 epholileyo ye-silicone sheet sheet; Isigaba sesithathu sekholamu ye-symmetrical ye-symmetrical yesigaba sesithathu sinesigaba sesithathu sesekethi yamagnetic; Iqela ngalinye (i-coil) i-core inxeba ngentsimbi encinci kwi-core ekhethekileyoUmshini Wokugquma, kwaye uxinzelelo lufana kwaye luqinile; Isakhelo esingundoqo sifakwe ngevacuum ukuphelisa uxinzelelo kunye nokuphucula ukusebenza kwe-electromagnetic. Umphezulu oqatywe ngepeyinti ye-epoxy resin, ubungqina bokufuma, ukunyanga.

I-Transformer ephezulu kunye nephantsi yokumelana nokufakelwa kwamandla ombane bangaphi abafanelekileyo?
Ukumelana nokugquma kweIsiguquli samandlaI-s esebenzayo ifaneleka ngoku: iklasi ye-10KV nangaphantsi, ixabiso lokufakelwa lingaphezulu kwe-300 megohm: iklasi ye-35KV, ixabiso le-insulation likhulu kune-400 megohm (ubushushu be-ambient yi-20 ℃).
Ngokusebenzisa umlinganiselo ukumelana ukugquma, iiguquli amandla ngempumelelo ukufumana ezinye iingxaki ukugquma kunye nezinye iingxaki transformers, ezifana ukujija ochukumisa iqokobhe, echukumisa undoqo, isiphaluka elifutshane phakathi iikhoyili, njl Ngoko ke ngexesha lokugcinwa rhoqo okanye emva kokulungiswa. Soloko ulinganisela ukuxhathisa kwe-insulation. Xa ulinganisa ukuxhathisa kwe-insulation ye-transformer, ngokuqhelekileyo kuyimfuneko ukulinganisa ukunyanzeliswa kwe-insulation phakathi kwe-coil yombane ophezulu kunye neqokobhe, i-coil ye-voltage ephantsi kunye ne-coil ye-voltage ephantsi, kunye nokumelana nokukhusela kwe-screw engundoqo kwi-core core kufuneka kulinganiswe xa i-core ejingayo ilungiswa. imitha ye-2500V ye-megohm isetyenziswa ngokubanzi ukulinganisa ukuxhathisa kokugquma kweziguquli zamandla, kodwa imitha ye-megohm eyi-1000 isetyenziswa ngokubanzi ukulinganisa ukumelana nesikrufu esingundoqo kumbindi wentsimbi.
Ukumelana nokugquma kwe-transformer yamandla kuchaphazeleka kakhulu ngumswakama kunye nobushushu. Xa ukufuma kunyuka, umphezulu kunye nengaphakathi lifunxa amanzi, ukuvuza kwangoku kuyanda, kwaye ukuchasana kwe-insulation kuncipha. Xa iqondo lokushisa liphakama, iinqununu ezihlawulisiweyo zihamba ngokulula ngenxa yokuqiniswa kwentshukumo ye-thermal, ukunyuka kwangoku okuvuzayo, kunye nokunciphisa ukutshatyalaliswa kwe-insulation. Ngoko ke, ixabiso lokumelana nokuxhatshazwa kwe-insulation lilinganiswe kumaqondo ahlukeneyo ahlukeneyo, kwaye ukuphakama kweqondo lokushisa, kuphantsi ukunyanzeliswa kwe-insulation.
Umgangatho wokumelana nokufakelwa kwee-transformers
1. I-Insulation kufuneka ilinganiswe ngaphambi kokuba i-transformer isetyenziswe emva kokuba isanda kufakwa okanye igqitywe kwaye emva kokusetyenziswa kwexesha elide (iiveki ezintathu).
I-2, inqanaba lombane elingaphezulu kwe-1000V lokujija sebenzisa i-2500V yokudayela, i-1000V yokudayela ukujikeleza ngaphantsi kwe-1000V. Ixabiso lokumelana licacisiwe (20℃) kwi-300MΩ kwi-3-10KV, 400MΩ kwi-20-35kV, 800MΩ kwi-63-220KV, kunye ne-3000MΩ kwi-500KV. Ukuxhatshazwa kwe-500V yokudayela i-transformers nge-voltage 0.4KV kwaye ngaphantsi ngu-≥0.5MΩ.
I-3, xa ixabiso lokumelana lingaphantsi kwe-50% yexabiso langaphambili, yazisa unyango lokugcinwa, ukuba kuyimfuneko, ukulinganisa ukulahleka kwe-dielectric kunye nomlinganiselo wokufunxa we-transformer. Umlinganiselo wokufunxa R60 "/R15", umlinganiselo awukho ngaphantsi kwe-1.3.
Igama lokumelana nokugquma:
Kumhlaba ophakamileyo ukuya kumhlaba ophantsi: (ukujika-jika okuphambili ukuya kumajiko-jiko esibini kunye nezindlu) ukujija amandla ombane aphezulu ukuya kumajiko ombane aphantsi kunye nokumelana nokugquma kwezindlu;
Kumhlaba ophantsi ukuya phezulu: (ukujija okwesibini ukuya kumajiko-jiko aphambili kunye nezindlu) ukuxhathisa ukugquma kwamandla ombane aphantsi ukuya kumajiko-jiko ombane aphezulu kunye nezindlu;
Ukumelana ne-insulation umgangatho ofanelekileyo wexabiso
(1) Ixabiso lokumelana ne-insulation elilinganisiweyo ngeli xesha lifaniswa nexabiso lokugqibela elilinganisiweyo kwiqondo lokushisa elifanayo, kwaye ixabiso akufanele lincitshiswe ngama-30% xa kuthelekiswa nexabiso lokugqibela;
2
(3) Kwi-transformer ene-voltage ephambili yecala le-10kV, ixabiso elincinci elifanelekileyo lokumelana kwayo nokushisa lihambelana nobushushu. Ubudlelwane phakathi kokumelana nokugquma kwe-transformer kunye nobushushu ngexesha lovavanyo
Transformer insulation ukumelana calculation formula: Sebenzisa ifomula ukubala ukuxhathisa ukugquma kwiqondo lobushushu ngalinye "ukunyuka isiqingatha ezilishumi, ukunciphisa ishumi kabini, elungileyo iphindaphindwe enye enesiqingatha" ukufunxa umlinganiselo: R20 = Rt X 10t-20/40 lobushushu liphakama 10OC, Rt X 2/3 amaxesha. Rt X 1.5 amaxesha kwi-10OC nganye yehla kubushushu.
I-4, i-transformer esanda kufakwa kunye ne-overhauled, i-insulation resistance resistance ixabiso elifanelekileyo kufuneka lihambelane namalungiselelo angentla. Iinguqu ezisebenzayo azikho ngaphantsi kwe-10 megohm.







