Kushandiswa kweEpoxy Resin Insulators muSimba Equipment

Kushandiswa kweEpoxy Resin Insulators muSimba Equipment

Mumakore achangopfuura, ma insulators ane epoxy resin se dielectric ave achishandiswa zvakanyanya muindasitiri yemagetsi, senge mabhushi, anotsigira insulators, mabhokisi ekubata, insulating masilinda nemapango akagadzirwa epoxy resin patatu-phase AC yakakwira-voltage switchgear. Columns, nezvimwewo, ngatitaure nezve mamwe maonero angu pachangu zvichibva pamatambudziko ekudzivirira anoitika panguva yekushandiswa kweaya epoxy resin insulation parts.

1. Kugadzirwa kwe epoxy resin insulation
Epoxy resin zvinhu zvine nhevedzano yezvakanakira mune organic insulating zvinhu, senge yakakwira kubatana, kunamatira kwakasimba, kuchinjika kwakanaka, yakanakisa kupisa kwemafuta ekurapa uye yakagadzikana makemikari kuramba. Oxygen pressure gel kugadzira process (APG process), vacuum kukanda mune dzakasiyana siyana zvinhu zvakasimba. Iyo epoxy resin insulating parts yakagadzirwa ine mabhenefiti ekusimba kwemagetsi, yakasimba arc kuramba, yakakwira compactness, yakatsetseka pamusoro, yakanaka kutonhora inodzivirira, yakanaka kupisa kupisa, yakanaka magetsi ekudzivirira kuita, etc. Inoshandiswa zvakanyanya muindasitiri uye inonyanya kuridza basa rekutsigira uye insulation. Izvo zvemuviri, zvemagetsi, zvemagetsi uye zvinopisa zve epoxy resin insulation ye 3.6 kusvika 40.5 kV inoratidzwa mutafura iri pasi apa.
Epoxy resins inoshandiswa pamwe chete nezvinowedzerwa kuti uwane kukosha kwekushandisa. Additives inogona kusarudzwa maererano nezvinangwa zvakasiyana. Zvinowanzo shandiswa zvinowedzera zvinosanganisira zvikamu zvinotevera: ① mushonga wekurapa. ② shanduko. ③ Kuzadza. ④ mutete. ⑤Zvimwe. Pakati pavo, iyo inorapa mumiriri chinhu chinodiwa chekuwedzera, ingave ichishandiswa seanonamira, kupfeka kana kukandwa, inoda kuwedzerwa, kana zvisina kudaro epoxy resin haigone kurapwa. Nekuda kwekushandiswa kwakasiyana, zvivakwa uye zvinodiwa, kune zvakare zvakasiyana zvinodiwa zveepoxy resins uye zvekuwedzera senge kurapa vamiririri, modifiers, mafirita uye diluents.
Mukugadzirwa kwezvikamu zvekuisa insulating, mhando yezvigadzirwa zvakaita seepoxy resin, mold, mold, tembiricha yekudziya, kudirana kwekudira, uye nguva yekurapa zvine simba guru pamhando yechigadzirwa chakapedzwa chekudzivirira. zvikamu. Nokudaro, mugadziri ane maitiro akaenzana. Maitiro ekuona kudzora kwemhando yezvikamu zvekudzivirira.

2. Kuputsa nzira uye optimization chirongwa che epoxy resin insulation
Epoxy resin insulation isvikiro rakasimba, uye kuparara kwemunda simba rakasimba rakakwira kupfuura iro remvura uye gasi svikiro. kuparara kwepakati kwakasimba
Chimiro ndechekuti kuparara kwemunda simba kune hukama hukuru nenguva yekuita voltage. Kazhinji kutaura, kuparara kwenguva yekuita t Kuputsika kwenguva yekuita t ≥ maawa akawanda ndeye electrochemical breakdown. Kunyangwe aya matatu ekuputsa maitiro akasiyana, mhedzisiro yekuputsika ndeyekuti iyo yakasimba svikiro inokuvadzwa zvachose. Kana isu tichiita ma frequency emagetsi kumira voltage test ye switchgear, panguva yekusimudzira yunifomu yeyeyedzo voltage kuburikidza nevoltage regulator, izvo zvataurwa pamusoro apa zvinodzivirira zvikamu zvinoiswa pasi peyedzo voltage pamwe chete neanogamuchira, kunze kwekunge zvakatsanangurwa zvinomira. voltage inochengeterwa 1 min mushure mekunge voltage yabudirira kukwidziridzwa. Kunze kwekuputsika, kana chero chikamu chiri mukugadzirisa nekuda kwekudzivirira kusina simba, kuparara kunobva pakarepo, uye kuparara kwakadaro kunofanira kutongwa sekuparara kwemagetsi. Iyi mamiriro anowanzosangana pane epoxy resin insulating zvikamu. Unotevera muenzaniso we40.5 kV vacuum circuit breaker solid-sealed pole kuongorora dambudziko iri.
Iyo inodaidzwa kuti solid-sealed pole inoreva chinhu chakazvimiririra chinoumbwa nevacuum interrupter uye/kana chinongedzo chinokonzeresa uye materminals acho akaputirwa nechinhu chakasimba chinodzivirira. Sezvo yakasimba insulating zvinhu zvakanyanya epoxy resin, simba silicone rabha uye inonamira, nezvimwewo, iyo yekunze yevacuum interrupter inoputirwa kubva pasi ichienda kumusoro zvichienderana neiyo yakasimba yekuisa chisimbiso. Danda rinoumbwa padivi pedunhu guru. Mukugadzira, danda rinofanirwa kuve nechokwadi kuti kuita kwevacuum interrupter hakuzodzike kana kurasika, uye nzvimbo yaro inofanirwa kunge yakati sandara uye yakatsetseka, uye hapafanirwe kuve nekusununguka, tsvina, mabhubhu kana pores inoderedza magetsi nemagetsi zvinhu. , uye hapafaniri kuva nekuremara kwakadai sekutsemuka. . Pasinei neizvi, chiyero chekurambwa che40.5 kV solid-sealed pole zvigadzirwa zvichiri kukwira, uye kurasikirwa kunokonzerwa nekukuvadzwa kwevacuum interrupter kurwadza kwemusoro kune akawanda ekugadzira zvikamu. Chikonzero ndechekuti kurambwa kunonyanya kukonzerwa nekuti danda harigone kusangana nezvinodiwa zvekudzivirira. Semuyenzaniso, mune 95 kV 1 min simba frequency inomira voltage insulation test, pane inobuda ruzha kana kuparara chiitiko mukati mekudzivirira panguva yekuyedzwa.
Kubva pamusimboti we-high-voltage insulation, tinoziva kuti kuparara kwemagetsi kwepakati yakasimba yakafanana neyegasi. Iyo electron avalanche inoumbwa nekukanganisa ionization. Kana electron avalanche yakasimba zvakakwana, dielectric lattice structure inoparadzwa uye kuparara kunokonzerwa. Kune akati wandei ekudzivirira zvinhu anoshandiswa musimbi-yakavharwa danda, iyo yakanyanya voltage iyo ukobvu hweyuniti hunogona kumira kusati kwaparara, ndiko kuti, kusimba kwenzvimbo yekuparara kwemunda, yakakwira, kunyanya Eb ye epoxy resin ≈ 20 kV/mm. Zvisinei, kufanana kwemunda wemagetsi kune simba guru pane insulating properties yemhepo yakasimba. Kana paine munda wemagetsi wakanyanya kusimba mukati, kunyangwe iyo insulating iine ukobvu hwakakwana uye muganho wekudzivirira, ese ari maviri ekudzivirira voltage bvunzo uye chidimbu chekuburitsa bvunzo dzinopfuura kana uchibuda mufekitori. Mushure menguva yekushanda, kukanganisa kwekudzivirira kwekudzivirira kunogona kuitika kakawanda. Mhedzisiro yenzvimbo yemagetsi yenzvimbo yakanyanya kusimba, senge bepa rinobvarura, iyo yakanyanya kuomeswa kushushikana inozoiswa kune yega yega nhanho inoteedzana, uye mhedzisiro ndeyekuti simba rakaderera kupfuura simba rekusimba rebepa rinogona kubvarura iyo yese. bepa. Kana nzvimbo yemagetsi yakanyanyisa kusimba inobata pane insulating material mu organic insulation, inobudisa "cone hole" effect, kuitira kuti iyo insulating zvinhu zvishoma nezvishoma iparadzwe. Nekudaro, muchikamu chekutanga, kwete chete iyo yakajairwa simba frequency inomira voltage uye chikamu chekubuda bvunzo bvunzo haina kukwanisa kuona iyi yakavanzika njodzi, asi zvakare hapana nzira yekuona yekuiona, uye inogona chete kuvimbiswa nemaitiro ekugadzira. Naizvozvo, mipendero yemitsara yekumusoro uye yepasi inobuda yedanda rakasimba-rakavharika rinofanira kuchinjirwa muarc denderedzwa, uye radius inofanira kunge yakakura sezvinobvira kugonesa kugovera kwemagetsi munda. Munguva yekugadzira danda, kune yakasimba midhiya senge epoxy resin uye simba silicone rabha, nekuda kwekuwanda kwekuita kwenzvimbo kana vhoriyamu musiyano pakuputsika, kuparara kwemunda simba kunogona kuve kwakasiyana, uye kuparara kwemunda wehombe. nzvimbo kana vhoriyamu inogona kunge yakasiyana. Naizvozvo, iyo yakasimba yepakati senge epoxy resin inofanirwa kusanganiswa zvakaenzana nekusanganisa midziyo isati yaiswa uye kurapa, kuitira kudzora kupararira kwesimba remunda.
Panguva imwecheteyo, sezvo iyo yakasimba yepakati isiri-yega yekudzoreredza insulation, danda rinoiswa kune akawanda bvunzo voltages. Kana iyo yakasimba yepakati ikakuvadzwa zvishoma pasi pega yega bvunzo voltage, pasi peiyo cumulative mhedzisiro uye akawanda bvunzo voltages, uku kukuvadzwa kwechikamu kunowedzera uye pakupedzisira kunotungamira mukupunzika kwepole. Naizvozvo, muganho wekudzivirira wepango unofanirwa kugadzirwa kuti uve wakakura kudzivirira kukuvadzwa padanda neyakatsanangurwa test voltage.
Pamusoro pezvo, iwo maburi emhepo akaumbwa nekusamira zvakanaka kweakasiyana akasimba media mudanda rembiru kana mabhubhu emhepo mune yakasimba svikiro pachayo, pasi pekuita kwevoltage, gap remhepo kana gap remhepo rakakwira kupfuura iro riri musimba. pakati nekuda kwesimba remumunda repamusoro mumukana wemhepo kana bubble. Kana kuti kuparara kwemunda kusimba kwemabhubhu kwakadzikira zvakanyanya kupfuura kwezvakaoma. Naizvozvo, pachave nekuyerera kwechidimbu mumabhuru mune yakasimba svikiro yedanda kana kuputsika kunobuda mumigero yemhepo. Kugadzirisa dambudziko iri rekudzivirira, zviri pachena kudzivirira kuumbwa kwemhepo kana mabhubhu: ① Nzvimbo yekubatanidza inogona kurapwa seyakafanana matte pamusoro (pamusoro pevacuum interrupter) kana gomba repamusoro (pamusoro pesilicone rubber), uye Shandisa. inonamira inonzwisisika kuti inyatso sunga chisungo chepamusoro. ②Yakanakisa mbishi zvinhu uye yekudira michina inogona kushandiswa kuve nechokwadi chekuvharira kweiyo yakasimba svikiro.

3 Muedzo we epoxy resin insulation
Kazhinji, izvo zvinosungirwa mhando bvunzo zvinhu zvinofanirwa kuitirwa kune insulating zvikamu zvakagadzirwa ne epoxy resin ndezvi:
1) Chitarisiko kana X-ray kuongorora, saizi yekuongorora.
2) Muedzo wezvakatipoteredza, senge kutonhora uye kupisa kutenderera bvunzo, mechini vibration bvunzo uye mechaniki simba bvunzo, nezvimwe.
3) Insulation bvunzo, senge partial discharge test, simba frequency inomira voltage test, nezvimwe.

4 Mhedziso
Muchidimbu, nhasi, kana epoxy resin insulation ichishandiswa zvakanyanya, isu tinofanirwa kunyatso shandisa epoxy resin insulation zvivakwa kubva kune epoxy resin insulation zvikamu zvekugadzira maitiro uye yemagetsi munda optimization dhizaini mumidziyo yemagetsi kugadzira epoxy resin insulation zvikamu. Iko kushandiswa mumidziyo yemagetsi kwakanyanya kukwana.