1. Ua rau corona
Corona yog tsim tawm vim tias qhov hluav taws xob tsis sib xws yog tsim los ntawm tus neeg xyuas pib tsis sib xws. Thaum qhov hluav taws xob nce mus rau ib qho nqi nyob ze ntawm lub electrode nrog lub vojvoog me me nyob ib ncig ntawm lub chaw hluav taws xob tsis sib xws, qhov paug tawm yuav tshwm sim vim huab cua dawb, tsim lub corona.Vim tias qhov hluav taws xob ntawm qhov chaw nruab nrab ntawm corona yog qhov tsis muaj zog thiab tsis muaj kev sib tsoo tsis sib haum, cov khoom siv hluav taws xob nyob rau ntawm qhov nruab nrab ntawm corona yog cov hluav taws xob ions, thiab cov ions no tsim cov corona tawm tam sim no.Cias muab, corona yog generated thaum ib tug conductor electrode nrog ib tug me me vojvoog ntawm curvature tawm mus rau hauv cov huab cua.
2. Ua rau corona nyob rau hauv high-voltage motors
Lub tshuab hluav taws xob ntawm stator winding ntawm high-voltage lub cev muaj zog yog tsom rau ntawm cov qhov cua, cov kab tawm tawm, thiab winding kawg. Thaum lub zog hluav taws xob nce mus txog ib qho txiaj ntsig ntawm ib qho chaw hauv cheeb tsam, cov pa roj nkag mus rau hauv zos ionization, thiab xiav fluorescence tshwm ntawm qhov chaw ionized. Qhov no yog corona phenomenon. .
3. Kev phom sij ntawm corona
Lub corona ua rau thermal cuam tshuam thiab ozone thiab nitrogen oxides, uas ua rau lub zos kub nyob rau hauv lub kauj, ua rau cov nplaum rau deteriorate thiab carbonize, thiab strand rwb thaiv tsev thiab mica tig dawb, uas nyob rau hauv lem ua rau cov strands los ua xoob, luv luv- circuited, thiab lub hnub nyoog rwb thaiv tsev.
Tsis tas li ntawd, vim kev sib cuag tsis zoo los yog tsis ruaj khov ntawm cov thermosetting insulating nto thiab lub tank phab ntsa, cov pa taws tawm hauv qhov sib txawv hauv lub tank yuav tshwm sim los ntawm kev ua ntawm electromagnetic vibration.Qhov kub hauv zos nce los ntawm qhov hluav taws xob tawm no yuav ua rau lub rwb thaiv tsev ntog hnyav.Tag nrho cov no yuav ua rau muaj kev puas tsuaj loj rau lub cev muaj zog rwb thaiv tsev.
4. Kev ntsuas tiv thaiv kab mob corona
(1) Feem ntau, cov khoom siv rwb thaiv tsev ntawm lub cev muaj zog yog ua los ntawm cov khoom siv corona-resistant, thiab cov xim dipping kuj yog ua los ntawm cov xim corona-resistant. Thaum tsim lub cev muaj zog, cov kev ua haujlwm hnyav yuav tsum tau txiav txim siab kom txo cov khoom siv hluav taws xob.
(2) Thaum ua cov kauj, qhwv daim kab xev los tiv thaiv tshav ntuj los yog pleev xim rau lub hnub.
(3) Lub qhov ntawm cov tub ntxhais yog txau nrog cov xim tsis muaj zog tiv thaiv blooming, thiab cov ntaub qhwv lub qhov yog ua los ntawm semiconductor laminates.
(4) Tom qab kev kho cua sov rwb thaiv tsev, ua ntej siv cov xim tsis tshua muaj hluav taws xob semiconductor ntawm qhov ncaj ntawm winding. Qhov ntev ntawm cov xim yuav tsum yog 25 hli ntev ntawm txhua sab tshaj qhov ntev ntawm cov tub ntxhais.Cov xim tsis tshua muaj hluav taws xob semiconductor feem ntau siv 5150 epoxy resin semiconductor xim, nws qhov kev tiv thaiv nto yog 103 ~ 105Ω.
(5) Txij li feem ntau ntawm cov capacitive tam sim no ntws los ntawm txheej semiconductor mus rau hauv lub qhov hluav taws xob tseem ceeb, txhawm rau kom tsis txhob muaj cua sov hauv zos ntawm qhov hluav taws xob, qhov chaw tiv thaiv yuav tsum maj mam nce los ntawm qhov hluav taws xob winding mus rau qhov kawg.Yog li ntawd, siv high-resistance semiconductor xim ib zaug los ntawm ib ncig ntawm lub winding tawm thais mus rau qhov kawg ntawm 200-250mm, thiab nws txoj hauj lwm yuav tsum sib tshooj nrog cov uas tsis muaj-resistant semiconductor xim los ntawm 10-15mm.High-resistance semiconductor xim feem ntau siv 5145 alkyd semiconductor xim, uas nws qhov chaw tiv taus yog 109 txog 1011.
(6) Thaum cov xim semiconductor tseem ntub, qhwv ib nrab txheej ntawm 0.1mm tuab dewaxed iav ribbon nyob ib ncig ntawm nws.Txoj kev dewaxing yog muab cov iav tsis muaj alkali rau hauv qhov cub thiab kub rau 180 ~ 220 ℃ rau 3 ~ 4 teev.
(7) Nyob rau sab nraud ntawm lub iav ribbon, siv lwm txheej ntawm cov xim tsis tshua muaj hluav taws xob semiconductor thiab cov xim ua haujlwm siab. Cov seem yog tib yam li cov kauj ruam (1) thiab (2).
(8) Ntxiv nrog rau kev tiv thaiv kev tiv thaiv rau cov windings, cov tub ntxhais tseem yuav tsum tau txau nrog cov xim tsis tshua muaj hluav taws xob ua ntej tawm ntawm cov kab sib dhos.Qhov zawj wedges thiab groove pads yuav tsum tau ua los ntawm semiconductor iav fiber ntau daim ntaub.
Post lub sij hawm: Sep-17-2023