ʻO ka hoʻohana ʻana i nā mea hoʻonaninani i loko o nā Transformers

2021-08-09

1. Pepa insulating

 

  Hoʻokaʻawale ʻia ka pepa fiber mea kanu i ka fiber laau, pulupulu a me ka hemp fiber. Ma waena o lākou, ʻo ka pepa fiber pulp lāʻau sulfate maʻemaʻe ka mea maʻamau. ʻO kāna mea maka he lāʻau. Hoʻohana maʻamau ka lāʻau pine i loko o ka lāʻau palupalu, e like me ka paina melemele, pine keʻokeʻo, a me ka pine ʻulaʻula. ʻO ka lāʻau e like me ke kedera a me ka paina ʻulaʻula, nona ka mea nui he cellulose, he pūhui polymer maoli. Hoʻohana ʻia nā ʻano hana kemika no ka hana ʻana i ka pepa insulating, e like me ke ʻano sulfate, kahi o ka mea nui o ka wai kuke kuke ʻo sodium sulfide (Na2S), i hoʻoheheʻe ʻia e hana i ka sodium hydrogen sulfide a me ka sodium hydroxide. Hiki ke hoʻohui ʻia ka sodium hydrogen sulfide me ka lāʻau ma waho o ka cellulose. Hoʻopili ka mea a hoʻoheheʻe i loko o ka lye. He maʻalahi ka waiʻona kuke, no laila e emi liʻiliʻi ke kaumaha molekala o ka cellulose. ʻO nā pepa hoʻoheheʻe cellulose maʻamau i hoʻohana ʻia i nā mea hoʻololi: pepa uwea mana, pepa uwea kiʻekiʻe-voltage a me ka pepa hoʻohuli hoʻololi.

 

  1) Pepa uwea: Hana ʻia ka pepa kelepona i ka pulp sulphate, nā māka DL08, DL12, DL17, mānoanoa o 0.08mm, 0.12mm a me 0.17mm, i hāʻawi ʻia i nā ʻōwili. Ma hope o ka hoʻopili ʻia ʻana o ka pepa kelepona me ka ʻaila transformer, e hoʻomaikaʻi maikaʻi ʻia kona ikaika mechanical a ʻO ka ikaika uila. No ka laʻana, ʻo ka ikaika uila o ka pepa uwea mana i ka lewa he 6-9 × 103kV / m, a ʻo ka ikaika uila o ka ʻaila transformer maloʻo maloʻo e hiki i 70-90 × 103kV / m. Ka hana o ka pepa uwea i loko o ka transformer Ua lawa ka wela wela a hoʻohana mau ʻia e like me ka insulation winding a me ka insulation interlayer. ʻO ka pepa uwea pū kekahi me ka pepa uwea kiʻekiʻe, ka pepa uwea haʻahaʻa haʻahaʻa, ka pepa uwea kiʻekiʻe a me ka pepa crepe insulating. He kūpono ka pepa uwea uwea kiʻekiʻe no nā mea hoʻololi a me nā mea hoʻololi 110 ~ 330kV, me ka waiwai o ka tangent poho dielectric haʻahaʻa; Hoʻohana ʻia ka pepa uwea haʻahaʻa haʻahaʻa no ka insulation o nā kaula mana a me nā mea hoʻololi a i ʻole nā ​​​​huahana uila ʻē aʻe o 35kV a ma lalo; ʻO ka pepa crepe insulation i hana ʻia me ka pepa insulation uila. Huki ʻia i ka wā e kikoo ai. Hoʻohana pinepine ia no ka wili ʻana i nā mea hoʻololi ʻaila-immersed, e like me ka uhi ʻana o nā poʻo coil, nā alakaʻi a me nā mea pale electrostatic; ʻO ka pepa uwea kiʻekiʻe he insulation ʻO ke ʻano o ka pepa crepe, 100% a 150% kiʻekiʻe i ka ikaika uila ma mua o ka pepa crepe maʻamau, 50% kiʻekiʻe i ka ikaika mechanical, ikaika uila kiʻekiʻe, kūpaʻa ʻaila, elasticity maikaʻi, maʻalahi e kikoo, a hiki ke hoʻohana ʻia ma ke ʻano he uea alakaʻi ma kahi o ka lipine varnished A me ka insulation o nā pilina uea a me nā ʻāpana kulou.

 

  2) Pepa kelepona: Ua hana ʻia ka pepa kelepona i ka pulp sulphate. Hoʻohana mau ʻia me nā kelepona kelepona. Loaʻa iā ia ka ikaika mechanical maikaʻi ʻole a hoʻohana maʻamau ʻia e like me ka insulation wire, layer insulation a i ʻole conductor uhi insulation.

 

  3) Pepa Capacitor: Hoʻokaʻawale ʻia ka pepa Capacitor i ʻAno A a me Type B e like me nā koi hoʻohana. Hoʻohana ʻia ka pepa capacitor Type A no nā capacitors dielectric pepa metala ma ka ʻoihana uila. Hoʻohana nui ʻia ke ʻano B ma ke ʻano he inter-electrode medium o nā capacitors mana. Hōʻike ʻia ka pepa Capacitor e ka paʻa kiʻekiʻe a me ka mānoanoa lahilahi. ʻO ka maʻamau, hoʻohana pinepine nā mea hoʻololi o kēia manawa i ka pepa capacitor, a ʻoi aku ka liʻiliʻi o nā transformers.

 

  4) Pepa insulation winding: Hoʻohana ʻia ka pepa insulation e like me ka pepa lalo o ka pepa gluing, a hoʻohana ʻia ka pepa gluing e makani i ka paipu insulating (tube) a me ka lima capacitive. ʻO kona hiʻohiʻona, ʻoi aku ka kiʻekiʻe o ke kiʻekiʻe o ka lawe ʻana i ka wai ma mua o ka pepa uwea a haʻahaʻa ma mua o ka Pepa impregnation. Hoʻokaʻawale ʻia ka pepa glued i hoʻokahi ʻaoʻao a ʻelua ʻaoʻao paha (phenolic a epoxy resin), i hoʻōla ʻia ma ka wela haʻahaʻa. Ke hoʻohana ʻia ka pepa i hoʻopaʻa ʻia no ka ʻōwili ʻana i nā paipu pepa a i ʻole ke kaomi ʻana i nā laminates, e hoʻōla hope ke kāpili i ka wā e wela ai a kaomi ʻia. , Hoʻohana maʻamau ka ʻōwili i ka lipine ʻaoʻao hoʻokahi, a hoʻohana ʻia ka lipine ʻaoʻao ʻelua no ka pahu pahu paʻi. Eia kekahi, aia ka rhombus dispensing pepa (mesh-type dispensing paper), i hoʻohana ʻia no ka interlayer insulation o nā ʻaila wiliwili ʻaila i hoʻoheheʻe ʻia. Ma hope o ka ho'ōla ʻana, hiki iā ia ke hōʻoia i ka pili ʻana ma waena o ka insulation a ma waena o ka insulation a me ka foil, a hoʻoikaika i ka ikaika a me ka maikaʻi o ka aila permeability.

 

  ʻO ka pepa uwea, ka pepa crepe a me ka pepa dispensing rhombic ka mea maʻamau i hoʻohana ʻia i ka pepa insulation transformer maʻamau. Hoʻohana ʻia lākou i nā mea hoʻololi e like me ka inter-turn insulation, inter-layer insulation, lead binding, etc. ʻO ka mea maʻamau, ʻaʻole ʻokoʻa nā kumukūʻai o nā pepa insulation like ʻole. Nui loa ia, ma kahi o 20 yuan/kg.

 

2. ʻO nā mea hoʻohui uila

   

  ʻO nā kiʻiʻoniʻoni lahilahi uila a me nā mea hoʻohui uila i loaʻa nā waiwai dielectric maikaʻi loa, a ʻo nā mea ʻelua no nā mea insulating sheet. ʻO nā kiʻiʻoniʻoni uila he kiʻiʻoniʻoni polyester a me ka kiʻiʻoniʻoni polyimide, hiki ke hoʻohana ʻia no ka insulation wire a me ka insulation interlayer i nā transformers. ʻO ka mea hoʻohui uila he huahana i hana ʻia e ka hoʻopaʻa ʻana i nā mea fiber ma kekahi ʻaoʻao a ʻelua paha o ke kiʻiʻoniʻoni. Hiki ke hoʻohana ʻia e like me ka insulation interlayer i nā transformers, ʻoi aku hoʻi i nā coils maloʻo maloʻo-hoʻololi ʻia. ʻO nā wili haʻahaʻa haʻahaʻa i hana mua ʻia me nā mea hoʻohui. Ma hope o ka impregnated me ka resin, hoʻohana ʻia ia e like me ka insulation interlayer. ʻO nā mea i hoʻohana mau ʻia me DMD, GHG a pēlā aku.

 

  ʻO ka inoa piha o DMD he polyester film polyester fiber non-woven soft composite material, i māhele ʻia i prepreg DMD a me DMD non-pre-impregnated. He papa ia o ka kiʻiʻoniʻoni polyester (M) i hoʻopili ʻia ma nā ʻaoʻao ʻelua o ka fiber polyester fiber non-woven fabric (D) ʻEkolu-layer soft composite material i hana ʻia. Loaʻa i ka DMD ka insulation uila maikaʻi loa, ka pale wela, ka ikaika mechanical, a me ka impregnation maikaʻi loa.

 

  GHG's full name is polyimide film pre-impregnated H-grade resin glass fiber soft composite material, which is a three-layer soft composite material made of a layer of polyimide film (H) pasted with olonā aniani cloth (G) on both sides . Compared with DMD, it has better heat resistance and can be used for interlayer insulation of low-voltage foil-wound coils of H-class insulated dry-type transformers.

 

  ʻO ka inoa piha o NHN ʻo ka polyimide film polyaramid fiber paper soft composite material, i hana ʻia e ka hoʻopaʻa ʻana i ka pepa polyamide fiber (Nomex) me ka hoʻopili H-grade ma nā ʻaoʻao ʻelua o ka kiʻiʻoniʻoni polyimide. ʻO ka NHN i kēia manawa ka mea ʻoi loa ka ʻoi loa o ka mea hoʻoheheʻe ʻoi aku ka nui, me ke kūpaʻa wela maikaʻi loa, ʻoi aku ka maikaʻi o nā waiwai dielectric, ʻoi aku ka liʻiliʻi o ka wai a me ke kūpaʻa maikaʻi loa. No ka papa H insulating mea a hiki ke hoʻohana no ka interlayer insulation o Class H dry-type transformers.

 

3. ʻO nā mea hoʻohui uila

 

  ʻO nā kiʻiʻoniʻoni lahilahi uila a me nā mea hoʻohui uila i loaʻa nā waiwai dielectric maikaʻi loa, a ʻo nā mea ʻelua no nā mea insulating sheet. ʻO nā kiʻiʻoniʻoni uila he kiʻiʻoniʻoni polyester a me ka kiʻiʻoniʻoni polyimide, hiki ke hoʻohana ʻia no ka insulation wire a me ka insulation interlayer i nā transformers. ʻO ka mea hoʻohui uila he huahana i hana ʻia e ka hoʻopaʻa ʻana i nā mea fiber ma kekahi ʻaoʻao a ʻelua paha o ke kiʻiʻoniʻoni. Hiki ke hoʻohana ʻia e like me ka insulation interlayer i nā transformers, ʻoi aku hoʻi i nā coils maloʻo maloʻo-hoʻololi ʻia. ʻO nā wili haʻahaʻa haʻahaʻa i hana mua ʻia me nā mea hoʻohui. Ma hope o ka impregnated me ka resin, hoʻohana ʻia ia e like me ka insulation interlayer. ʻO nā mea i hoʻohana mau ʻia me DMD, GHG a pēlā aku.

 

  ʻO ka inoa piha o DMD he polyester film polyester fiber non-woven soft composite material, i māhele ʻia i prepreg DMD a me DMD non-pre-impregnated. He papa ia o ka kiʻiʻoniʻoni polyester (M) i hoʻopili ʻia ma nā ʻaoʻao ʻelua o ka fiber polyester fiber non-woven fabric (D) ʻEkolu-layer soft composite material i hana ʻia. Loaʻa i ka DMD ka insulation uila maikaʻi loa, ka pale wela, ka ikaika mechanical, a me ka impregnation maikaʻi loa. Non-pre-preg DMD hiki ke hoʻohana 'ia e like me interlayer insulation o ka aila-immersed transformers, a me pre-preg DMD hiki ke hoʻohana 'ia e like me inter-layer insulation o haʻahaʻa-voltage foil-eha coils o ka papa F maloo-type transformers.

 

  ʻO ka inoa piha o GHG he kiʻiʻoniʻoni polyimide pre-impregnated H-grade resin aniani fiber soft composite material, ʻo ia he ʻekolu-layer soft composite material i hana ʻia me kahi papa polyimide film (H) i hoʻopili ʻia me ka lole aniani fiber (G) ma nā ʻaoʻao ʻelua. Hoʻohālikelike ʻia me DMD, ʻoi aku ka maikaʻi o ka pale wela a hiki ke hoʻohana ʻia no ka insulation interlayer o nā coils haʻahaʻa haʻahaʻa haʻahaʻa o ka H-class insulated dry-type transformers.

 

  ʻO ka inoa piha o NHN ʻo ka polyimide film polyaramid fiber paper soft composite material, i hana ʻia e ka hoʻopaʻa ʻana i ka pepa polyamide fiber (Nomex) me ka hoʻopili H-grade ma nā ʻaoʻao ʻelua o ka kiʻiʻoniʻoni polyimide. ʻO ka NHN i kēia manawa ka mea ʻoi loa ka ʻoi loa o ka mea hoʻoheheʻe ʻoi aku ka nui, me ke kūpaʻa wela maikaʻi loa, ʻoi aku ka maikaʻi o nā waiwai dielectric, ʻoi aku ka liʻiliʻi o ka wai a me ke kūpaʻa maikaʻi loa. No ka papa H insulating mea a hiki ke hoʻohana no ka interlayer insulation o Class H dry-type transformers.

 

4. Kāleka pale

 

  Hana ʻia ka pahu pahu hoʻokaʻawale me ka pepa pulp lāʻau sulphate maʻemaʻe. Hiki ke hoʻohana ʻia no nā pads āwaha aila, noho ʻia ka ʻaila, nā ʻāpana, nā paipu pahu pahu, ka pepa corrugated, ka ʻauamo hao, ka ʻoki ʻoki a me ka hoʻopau ʻana i nā pā kaomi wili no ka wili keke. ʻO ka mānoanoa maʻamau he 1.0mm, 1.5mm, 2mm, 3mm, 4mm, 6mm. Hoʻokaʻawale ʻia ka pepa insulating i loko o ka pepa haʻahaʻa haʻahaʻa, ka pepa pepa kiʻekiʻe a me ka pepa kiʻekiʻe e like me ka nui. Kapa ʻia ka pepa haʻahaʻa haʻahaʻa i kapa ʻia ʻo T3 soft paperboard. Ma waena o 0.75g/cm3~0.9g/cm3, haʻahaʻa ka ikaika. Hoʻohana pinepine ʻia no ka hoʻopololei ʻana i nā ʻāpana a i ʻole ka hana ʻana i nā ʻāpana i hoʻomaloʻo ʻia ma hope o ka pulu ʻana, e like me ka hana ʻana i nā apo kihi, nā ʻāpana apo a me nā paipu pepa palupalu. ʻO ka pepa pepa haʻahaʻa haʻahaʻa he kiʻekiʻe ka ʻaila hinu, maikaʻi formability, akā maikaʻi ʻole nā ​​waiwai mechanical; ʻO ka papa haʻahaʻa haʻahaʻa ka mea maʻamau i kapa ʻia ʻo T1 pepa pepa, me ka mānoanoa o 0.95g/cm3~1.15g/cm3, hoʻohana ʻia ma ke ʻano he poloka spacer, etc.; ʻO ka pepa pepa kiʻekiʻe ka mea maʻamau i kapa ʻia ʻo T4 cardboard, me ka nui o 1.15g/cm3 a hiki i 1.3g/cm3, hoʻohana ʻia ma ke ʻano he pahu pahu insulating, insulating pressing plate, a me ke apo hopena. I loko o ka aila-papa spacing hale i haku 'ia me ka multi-layer pepa paipu o kiʻekiʻe-voltage coils, corrugated cardboard hiki no hoi ke hoʻohana ma kahi o ka pahu noho e hana i ka aila āpau, hiki ke hoola i na mea ma ke kumu o ka hōʻoia 'ana insulation hana.

 

5. Kiʻiʻoniʻoni polypropylene

 

  Hana ʻia ke kiʻiʻoniʻoni polypropylene me ka polypropylene resin (PP) extruded mānoanoa pepa a oriented kikoo. ʻO kāna mau hiʻohiʻona: 1) He liʻiliʻi ka nui, hiki ke hoʻolōʻihi ʻia i ka 0.06mm a i ʻole ʻoi aku ka lahilahi, a ʻo kona mānoanoa he 0.89g/cm3~ 0.92g/cm3. 2) Loaʻa iā ia nā waiwai uila maikaʻi a me ka paʻa kemika, ʻo ka coefficient dielectric pili ʻo 2 ~ 2.2, a ʻoi aku ka nui o ke kaomi haki ma mua o 150MV/m; 3) Loaʻa iā ia nā waiwai mechanical maikaʻi, a ʻoi aku kona ikaika tensile ma mua o 100MPa 4) Hiki ke hoʻohana ʻia no ka manawa lōʻihi ma 125 ° C a no ka Class E insulation; 5) He hydrophobic a he ikaika kona hiki ke pale i ka lawe ʻana i ka wai, a hiki ke hoʻohana ʻia no ka insulation uea o nā mea hoʻololi ʻaila-immersed.

 

6. ʻO nā mea hoʻokalakupua ʻē aʻe

 

  ʻO ka ʻaila Transformer a me ka pepa insulating ka mea nui o ka insulating no nā coils transformer immersed oil. ʻO ka resin, ka pepa insulating, a me nā mea i hoʻohuihui ʻia nā mea insulating nui no nā coils transformer ʻano maloʻo. Ma waho aʻe o kēia mau mea, hoʻohana pinepine ʻia nā mea insulating e pili ana i nā transformers: (Laminated wood, laminate, insulating paint, insulating glue, cotton tape, shrink tape, weftless tape, etc.

 

  1) Laminates: ʻO nā laminates uila he mau mea hoʻolalelale me kahi papa hana i hana ʻia me ka pepa, ka lole a me ka veneer lāʻau ma ke ʻano he substrate, i hoʻopili ʻia (a i uhi ʻia) me nā mea hoʻopili like ʻole, a me ka wela wela (a ʻōwili ʻia). E like me nā koi noi, hiki ke hana ʻia nā huahana laminated i nā huahana me nā waiwai uila a me nā mechanical maikaʻi loa, ka pale ʻana i ka wela, ka pale ʻaila, ka pale ʻana i ka mildew, ka pale arc a me ka pale corona. ʻO nā huahana laminated ka nui o nā papa laminated, ka lāʻau laminated, nā paipu laminated, nā koʻokoʻo, nā cores casing capacitor a me nā kikoʻī kūikawā ʻē aʻe. ʻO ka hana o nā laminates e pili ana i ke ʻano o ka substrate a me ka hoʻopili a me kāna kaʻina hana. E like me nā mea ʻokoʻa a me nā mea hoʻopili, ua hoʻokaʻawale ʻia nā laminates i nā laminates insulating (pepa pepa, hoʻohana ʻia no ka hoʻololi aila), papa pepa phenolic (ʻike pinepine ʻia ʻo ka bakelite, ka papa pepa i hoʻopiha ʻia me ka resin phenolic, hoʻohana ʻia no ka hoʻololi ʻaila), a 3026 phenolic laminated pulupulu pepa (Ka lole pulupulu i hoʻopili ʻia me ka resin phenolic, hoʻohana pinepine ʻia no ka hoʻololi aila), FR4 pepa (Ka lole aniani pulupulu me ka epoxy resin e like me ka mea hoʻopili, hiki ke hoʻohana ʻia no ka hoʻololi maloʻo F grade a i ʻole ka hoʻololi ʻana i ka aila), hoʻololi ʻia ka diphenyl ether aniani lole papa (Hoʻohana ka lole aniani i hoʻololi ʻia i ka diphenyl ether resin e like me ka mea paʻa, hiki ke hoʻohana ʻia no ka papa H. hoʻololi maloʻo), bismaleimide aniani lole papa (aniani fiber lole hoʻohana bismaleimide resin e like me ka binder, Hiki ke hoʻohana no ka H-papa maloʻo hoʻololi). Loaʻa i nā laminates ka ikaika mechanical maikaʻi a me nā waiwai insulation, a hoʻohana pinepine ʻia e like me ka hoʻopili ʻana i ke kumu a me ke kākoʻo o waho i nā transformers.

 

  2) Insulation tube (tube): Hoʻohana nui ʻia ka paipu insulation i ka transformer ma waena o nā ʻili o loko a me waho, ma waena o ka wili a me ke kumu, a hoʻohana ʻia no ka ʻili lining skeleton. Ua ʻeha pololei ka uea i ka paipu insulation. I ka manawa like, hiki ke hoʻohana ʻia ka paipu insulation no ka Insulation nui, hoʻonui i ka nui o nā ʻaila insulation nui a hoʻonui i ka insulation. Hoʻokaʻawale ʻia nā puʻupuʻu insulation i loko o nā pahu pepa phenolic (hoʻohana mau ʻia no ka hoʻololi ʻana i ka ʻaila), epoxy aniani lole lole (hoʻohana pinepine ʻia no ka hoʻololi ʻana i ka aila a i ʻole ka F grade maloʻo hoʻololi), a me ka hoʻololi ʻia ʻo diphenyl ether glass cloth cylinders (hoʻohana mau ʻia no ka hoʻololi maloʻo Grade H), ʻO ke aniani fiber i hoʻoikaika ʻia i ka paipu plastik (hoʻohana mau ʻia no ka hoʻololi maloʻo H grade), ʻo ka paipu lole aniani bismaleimide (hoʻohana mau ʻia no ka hoʻololi maloʻo H grade), etc.

 

  3) Lāʻau Laminated: E hoʻohana i ka lāʻau paʻa kiʻekiʻe no ka lāʻau laminated uila, e like me ka birch, beech, a me nā mea ʻē aʻe, a kuke ʻelua ʻelua ma 70°C a 80°C no ka wehe ʻana i ka ʻakika a me ka momona o ka lāʻau ponoʻī. Hoʻomaloʻo ʻia ka papa a laila uhi ʻia me ka resin adhesive. Ma hope o ka hoʻomaʻamaʻa mua ʻana, hana ʻia e ka hui hou ʻana a me ka hoʻopaʻa ʻana. Loaʻa iā ia ka ikaika insulation maikaʻi a me ka ikaika mechanical. Hiki ke hoʻohana ʻia e like me ka cushion, ke apo kihi, a me nā mea ʻē aʻe i ka hoʻololi ʻaila.

 

  4) Hoʻopaʻa kaula: hoʻopaʻa ʻia nā lashings no nā mea hoʻololi me ka lipine pulupulu, lipine lipine, mesh semi-dry weftless tape, aniani lole lipine, polyester tape, a me nā mea ʻē aʻe, i hoʻohana ʻia no ka hoʻopaʻa ʻana a me ka hoʻopaʻa ʻana i nā cores hao a me nā coils.

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