Ngwa nke Insulators Epoxy Resin na Ngwa Ike
N'ime afọ ndị na-adịbeghị anya, a na-eji insulators nwere resin epoxy dị ka dielectric eme ihe n'ọtụtụ ebe na ụlọ ọrụ ike, dị ka bushes, ihe mkpuchi na-akwado, igbe kọntaktị, cylinders insulating na okporo osisi ndị e ji epoxy resin mee ihe na mgbanaka ọkụ ọkụ AC nke okpukpu atọ. Ogidi, wdg, ka anyị kwuo banyere ụfọdụ echiche nke m dabere na nsogbu mkpuchi na-eme n'oge ntinye nke akụkụ mkpuchi resin epoxy ndị a.
1. Mmepụta nke epoxy resin mkpuchi
Ihe resin epoxy nwere ọtụtụ uru pụtara ìhè na ihe mkpuchi organic, dị ka njikọta dị elu, nrapado siri ike, mgbanwe dị mma, ezigbo ọgwụgwọ ọgwụgwọ yana nguzogide corrosion kemịkalụ kwụsiri ike. Oxygen mgbali gel mmepụta usoro (APG usoro), agụụ nkedo n'ime dị iche iche siri ike ihe. The epoxy resin insulating akụkụ mere nwere uru nke elu n'ibu ike, ike aak-eguzogide, elu compactness, ezigbo elu, ezigbo oyi na-eguzogide, ezi okpomọkụ na-eguzogide, ezi eletriki mkpuchi arụmọrụ, wdg Ọ na-ọtụtụ-eji na ụlọ ọrụ na tumadi na-arụ na ọrụ nkwado na mkpuchi. Ngwongwo anụ ahụ, igwe, eletriki na ọkụ nke mkpuchi resin epoxy maka 3.6 ruo 40.5 kV ka egosiri na tebụl dị n'okpuru.
A na-eji resin epoxy yana mgbakwunye iji nweta uru ngwa. Enwere ike ịhọrọ ihe mgbakwunye dịka ebumnuche dị iche iche. Ihe mgbakwunye ndị a na-ejikarị gụnyere ụdị ndị a: ① onye na-agwọ ọrịa. ② modifier. ③ Ndochi. ④ dị gịrịgịrị. ⑤ Ndị ọzọ. N'ime ha, onye na-agwọ ọrịa bụ ihe mgbakwunye dị mkpa, ma a na-eji ya dị ka nrapado, mkpuchi ma ọ bụ nkedo, ọ dị mkpa ka a gbakwunye ya, ma ọ bụghị na epoxy resin enweghị ike ịgwọ ya. N'ihi ojiji dị iche iche, akụrụngwa na ihe achọrọ, enwerekwa ihe dị iche iche achọrọ maka resin epoxy na mgbakwunye dị ka ndị na-agwọ ọrịa, ndị na-agbanwe agbanwe, ndị na-ejuputa na ihe ndị na-edozi ahụ.
N'ime usoro mmepụta nke akụkụ ndị na-ekpuchi ihe, àgwà nke ihe ndị dị ka epoxy resin, ihe na-emepụta ihe, ihe ọkpụkpụ, okpomọkụ na-ekpo ọkụ, nrụgide na-agbapụta, na oge ọgwụgwọ na-enwe mmetụta dị ukwuu n'ịdị mma nke ngwaahịa emechara nke mkpuchi mkpuchi. akụkụ. Ya mere, onye nrụpụta nwere usoro nhazi. Usoro iji hụ na njikwa mma nke akụkụ mkpuchi.
2. Usoro nbibi na atụmatụ njikarịcha nke mkpuchi resin epoxy
Epoxy resin mkpuchi bụ ihe siri ike, na ike mgbawa nke ubi siri ike dị elu karịa nke mmiri mmiri na gas. siri ike ọkara mmebi
Ihe e ji mara ya bụ na ike nkwụsịtụ nwere mmekọrịta dị ukwuu na oge nke voltaji eme ihe. N'ikwu okwu n'ozuzu, nbibi nke oge ihe omume t Ihe a na-akpọ okporo osisi nwere mkpuchi siri ike na-ezo aka na mpaghara nọọrọ onwe ya nke nwere ihe nkwụsịtụ agụụ na/ma ọ bụ njikọ na-eduzi na njedebe ya ejiri ihe mkpuchi siri ike jupụta. Ebe ọ bụ na ihe mkpuchi ya siri ike na-abụkarị resin epoxy, rọba silicone ike na nrapado, wdg, a na-ekpuchi elu elu nke ihe mgbochi agụụ ahụ n'aka site na ala ruo n'elu dịka usoro mkpuchi siri ike si dị. A na-emepụta mkpanaka na mpụta nke sekit isi. N'ime usoro mmepụta ihe, ogwe osisi ahụ kwesịrị ijide n'aka na arụmọrụ nke onye na-egbochi oghere agaghị ebelata ma ọ bụ na-efunahụ ya, na elu ya kwesịrị ịdị larịị ma dị nro, ọ dịghịkwa ihe na-adịghị mma, adịghị ọcha, afụ ma ọ bụ pores nke na-ebelata ọkụ eletrik na ígwè ọrụ. , na e kwesịghị inwe ntụpọ dị ka mgbawa. . N'agbanyeghị nke a, nrịbama nke 40.5 kV ngwaahịa okporo osisi siri ike ka dị elu, na mfu nke mmebi nke ihe nkwụsịtụ na-ekpo ọkụ bụ isi ọwụwa maka ọtụtụ ụlọ ọrụ mmepụta ihe. Ihe kpatara ya bụ na ọnụ ọgụgụ njụta a bụ n'ihi n'eziokwu na okporo osisi enweghị ike izute ihe mkpuchi mkpuchi. Dịka ọmụmaatụ, na 95 kV 1 min ugboro ike na-eguzogide ule mkpuchi voltaji, enwere ụda mwepu ma ọ bụ ihe ndakpọ n'ime mkpuchi n'oge ule ahụ.
Site na ụkpụrụ nke mkpuchi mkpuchi elu-voltage, anyị maara na usoro nkwụsị eletrik nke ihe siri ike dị ka nke gas. A na-etolite oke mmiri eletrọn site na mmetụta ionization. Mgbe oké mmiri ozuzo eletrọn siri ike nke ọma, a na-ebibi ihe owuwu dielectric lattice na mmebi ahụ kpatara. Maka ọtụtụ ihe mkpuchi ihe eji eme ihe na ogwe osisi siri ike, voltaji kachasị elu nke unit ahụ nwere ike iguzogide tupu mmebi ahụ, ya bụ, ike nkwụsị nke dị n'ime ya dị elu, karịsịa Eb nke epoxy resin ≈ 20 kV / mm. Otú ọ dị, ịdị n'otu nke ọkụ eletrik na-enwe mmetụta dị ukwuu na ihe mkpuchi nke ihe siri ike. Ọ bụrụ na enwere ọkụ eletrik dị oke ike n'ime, ọbụlagodi ma ọ bụrụ na ihe mkpuchi ahụ nwere oke zuru oke na oke mkpuchi, ma ule voltaji na-eguzogide na ule mwepu akụkụ na-agafe mgbe ị na-ahapụ ụlọ ọrụ ahụ. Mgbe oge ọrụ gasịrị, ndakpọ mkpuchi mkpuchi ka nwere ike ime ugboro ugboro. Mmetụta nke mpaghara ọkụ eletrik dị n'ógbè ahụ siri ike, dị ka ịdọka akwụkwọ, a ga-etinye nrụgide na-etinye uche n'ụzọ gabigara ókè n'ebe ọ bụla a na-eme ihe, na ihe si na ya pụta bụ na ike dị ntakịrị karịa ike ike nke akwụkwọ ahụ nwere ike ịdọkasị dum. akwụkwọ. Mgbe mpaghara ọkụ eletrik dị ike na mpaghara na-eme ihe na-ekpuchi ihe dị na ihe mkpuchi organic, ọ ga-emepụta mmetụta "oghere cone", nke mere na ihe mkpuchi ahụ ji nwayọọ nwayọọ na-agbaji. Otú ọ dị, n'oge mmalite, ọ bụghị nanị na ike nkịtị ugboro na-eguzogide voltaji na nkebi nke ntanye ule ule enweghị ike ịchọpụta ihe ize ndụ a zoro ezo, ma ọ dịghịkwa ụzọ nchọpụta iji chọpụta ya, na ọ nwere ike na-ekwe nkwa naanị site n'ichepụta usoro. Ya mere, a ghaghị ịgbanwe akụkụ nke elu na nke dị elu nke elu na-apụ apụ nke ogwe osisi siri ike na-eme ka ọ gbanwee na arc okirikiri, na radius kwesịrị ịdị ukwuu dị ka o kwere mee iji kwalite nkesa ọkụ eletrik. N'oge usoro mmepụta nke okporo osisi, maka mgbasa ozi siri ike dị ka epoxy resin na ike silicone roba, n'ihi nchikota nke mpaghara ma ọ bụ ụda olu dị iche iche na nkwụsịtụ, ike nkwụsị nke ubi nwere ike ịdị iche iche, na nkwụsị nke nnukwu ubi. mpaghara ma ọ bụ olu nwere ike ịdị iche. Ya mere, a ga-agwakọta ihe siri ike dị ka epoxy resin n'otu n'otu site na ịgwakọta ngwa tupu encapsulation na ọgwụgwọ, ka o wee chịkwaa mgbasa nke ike ubi.
N'otu oge ahụ, ebe ọ bụ na usoro siri ike bụ ihe mkpuchi na-enweghị mgbake onwe ya, a na-edobe osisi ahụ n'ọtụtụ ule ule. Ọ bụrụ na ọkara siri ike mebiri emebi n'okpuru voltaji ule ọ bụla, n'okpuru mmetụta mkpokọta na ọtụtụ voltaji ule, mmebi akụkụ a ga-agbasa ma mesịa mee ka ọ daa. Ya mere, ekwesịrị ịmebe oke mkpuchi nke ogwe osisi ka ọ buru ibu ka ọ ghara imebi ogwe osisi site na voltaji ule a kapịrị ọnụ.
Tụkwasị na nke ahụ, oghere nke ikuku na-emepụta site na nkwụsi ike na-adịghị mma nke mgbasa ozi siri ike dị iche iche na kọlụm okporo osisi ma ọ bụ ikuku na-egbuke egbuke n'ime ihe siri ike n'onwe ya, n'okpuru ọrụ nke voltaji, ikuku ikuku ma ọ bụ ikuku ikuku dị elu karịa nke siri ike. ọkara n'ihi ike ubi dị elu na oghere ikuku ma ọ bụ afụ. Ma ọ bụ ike mgbawa nke afụ dị ala karịa nke siri ike. Ya mere, a ga-enwe nkwụsịtụ na-apụta na egosipụta n'ime ihe siri ike nke ogwe osisi ma ọ bụ nkwụsịtụ n'ime oghere ikuku. Iji dozie nsogbu mkpuchi mkpuchi a, o doro anya na ọ ga-egbochi ịmepụta oghere ikuku ma ọ bụ afụ: ① Enwere ike ịgwọ elu njikọ dị ka ihe dị n'elu matte (elu nke vacuum interrupter) ma ọ bụ olulu (elu nke silicone roba), na Jiri. ihe nrapado ezi uche dị na ya iji jikọta elu njikọ ahụ nke ọma. ② Enwere ike iji akụrụngwa akụrụngwa na akụrụngwa na-awụsa nke ọma mee ihe iji hụ na mkpuchi nke ọkara siri ike.
3 Nnwale mkpuchi mkpuchi resin epoxy
N'ozuzu, ihe amanyere amanyere amanyere n'ụdị ule ihe a ga-eme maka ihe mkpuchi akụkụ emere nke resin epoxy bụ:
1) Nleba anya ma ọ bụ X-ray, nyocha nha.
2) Nnwale gburugburu ebe obibi, dị ka oyi na okpomọkụ okirikiri ule, n'ibu vibration ule na n'ibu ule ike, wdg
3) Nnwale mkpuchi mkpuchi, dị ka nnwale mwepu akụkụ, ugboro ugboro na-eguzogide ule voltaji, wdg.
4 Nkwubi okwu
Na nchịkọta, taa, mgbe epoxy resin mkpuchi nke ọtụtụ ebe, anyị kwesịrị itinye epoxy resin mkpuchi n'ụzọ ziri ezi site na akụkụ nke epoxy resin mkpuchi akụkụ mmepụta usoro na eletriki njikarịcha imewe na ike akụrụngwa ime epoxy resin mkpuchi akụkụ. Ngwa na akụrụngwa ike zuru oke.
Oge nzipu: Jan-25-2022