Li-insulatorke li-control tse khethehileng tse ka phethang karolo ea bohlokoa lithapong tsa phetiso e holimo.Lilemong tsa pele, li-insulators li ne li sebelisoa haholo lipalong tsa ts'ebeliso, 'me butle-butle li ile tsa fetoha litora tsa terata tse nang le matla a phahameng a motlakase moo li-insulators tse ngata tse bōpehileng joaloka disc li neng li fanyehoa ka lehlakoreng le leng.E ne e sebelisetsoa ho eketsa sebaka sa creepage, hangata se entsoeng ka khalase kapa lirafshoa, 'me se ne se bitsoa insulator.Li-insulators li phetha karolo e 'meli ea mantlha methapong ea phetiso e holimo, e leng lithapo tse tšehetsang le ho thibela metsi ho khutlela fatše.Mesebetsi ena e 'meli e tlameha ho tiisetsoa.Li-insulators ha lia lokela ho hloleha ka lebaka la likhatello tse fapaneng tsa electromechanical tse bakoang ke liphetoho tikolohong le maemo a boima ba motlakase.Ho seng joalo, insulator e ke ke ea phetha karolo ea bohlokoa, 'me e tla senya bophelo ba tšebeletso le bophelo ba ts'ebetso ea mohala kaofela.
Sesebelisoa sa motlakase: Ke ntho e lokisang le ho emisa terata ka tora ka mokhoa o sirelelitsoeng.Li-insulators tse sebelisoang hangata bakeng sa likhoele tsa phetisetso ea matla ke: li-insulators tsa porcelain tse nang le sebopeho sa disc, li-insulator tsa khalase tse sebopeho sa disc,
Ho emisoa ha molamuli-insulator tse kopantsoeng.(1) Li-insulators tsa botlolo ea porcelain: li-insulators tsa porcelain tsa malapeng li na le tekanyo e phahameng ea ho senyeha, li hloka ho lemoha litekanyetso tsa zero, le ho ba le mosebetsi o moholo oa tlhokomelo.
Ha ho e-na le ho otla ha lehalima le ho phatloha ha tšilafalo, likotsi tsa ho theoha ha likhoele li atisa ho etsahala, 'me li felisitsoe butle-butle.2Ha ho tlhahlobo e hlokahalang bakeng sa tlhokomelo.Tabeng ea ho phatloha ha likarolo tsa likhalase tse halefileng, matla a setseng a mechine a ntse a tla fihla ho feta 80% ea matla a ho senya, a ntseng a ka tiisa ts'ebetso e sireletsehileng ea mohala.Ho ke ke ha e-ba le likotsi tsa ho theoha ha maemo ha ho ka hlaha lehalima le ho phatloha ho hoholo ha tšilafalo.E 'nile ea sebelisoa haholo libakeng tsa tšilafalo tsa Sehlopha sa I le sa II.(3) Insulator e kopantsoeng: E na le melemo ea ts'ebetso e ntle e khahlanong le tšilafalo ea flashover, boima bo bobebe, matla a phahameng a mochine, le tlhokomelo e fokolang, 'me e sebelisitsoe haholo libakeng tsa tšilafalo tsa boemo ba III le holimo.
Li-insulators tsa porcelain: Li-insulators hangata li tsejoa e le libotlolo tsa porcelain, e leng li-insulators tse sebelisetsoang ho tšehetsa lithapo.Li-insulator li ka etsa bonnete ba hore li na le li-conductors tse lekaneng, matsoho le litora.E lokela ho khona ho mamella mojaro ka tataiso e otlolohileng ea terata le tsitsipano ka tataiso e rapameng nakong ea ts'ebetso.E boetse e mamella letsatsi, pula, phetoho ea boemo ba leholimo le ho bola ha lik'hemik'hale.Ka hona, li-insulator li tlameha ho ba le thepa e ntle ea motlakase le matla a lekaneng a mochini.Boleng ba insulator bo bohlokoa haholo ts'ebetsong e bolokehileng ea mohala.Li-insulators li ka aroloa ka li-insulator tse tšehetsang, li-insulator tse emisitsoeng, li-insulator tse thibelang tšilafalo le li-insulators tsa bushing ho ea ka sebopeho sa tsona.Ho ea ka morero, ka kakaretso e ka aroloa ka mekhahlelo e meraro: li-insulators tsa line, li-insulator tse tšehetsang li-substation le lihlahla.Ho ea ka thepa ea insulator.Hona joale ho na le li-porcelain, likhalase le li-insulators tse entsoeng ka manyolo.Li-insulators tse sebelisoang meleng e ka holimo ke li-insulators tsa pin, li-insulators tsa serurubele, li-insulators tse emisitsoeng, li-porcelain cross-arms, li-insulators tsa melamu le li-insulators tsa tsitsipano.Ho na le mefuta e 'meli ea liphoso tsa motlakase ho li-insulators: flashover le ho senyeha.Flashover e hlaha ka holim'a insulator, 'me matšoao a chesang a ka bonoa, empa hangata ts'ebetso ea ho kenya letsoho ha e lahlehe;ho senyeha ho etsahala ka hare ho insulator, 'me ho tsoa ho hlaha ka' mele oa ceramic pakeng tsa sekoahelo sa tšepe le leoto la tšepe.Li-insulator li ka 'na tsa senngoa ka ho feletseng ka li-arcing.Bakeng sa ho senyeha, tlhokomelo e lokela ho lefshoa ho hlahloba mekhoa ea ho tsoa le ho chesa ha maoto a tšepe.E le ho thibela litšila tse kang lerōle le phaphametseng hore le se ke la khomarela bokaholimo ba insulator, ho thehoa tsela e robehileng ke motlakase lipheletsong tse peli tsa insulator, ke hore, creepage.Ka hona, sebaka se ka holimo se ntse se eketseha, ke hore, sebaka sa creepage, le sebaka se ntšitsoeng haufi le sebaka se sireletsang, ke hore, sebaka sa ho lutla, se bitsoa sebaka sa creepage.
Creepage distance=sebaka se ka holim'a metsi/matla a holimo a matla a sistimi.Ho ea ka tekanyo ea tšilafalo, sebaka sa creepage hangata ke 31 mm/kilovolti libakeng tse silafetseng haholo.Motlakase o ka ahloloa ka ho toba ho latela palo ea li-insulators, ka kakaretso, 23 bakeng sa 500kv;16 bakeng sa 330kv;220kv 9;110kv 5;ena ke palo e fokolang, mme ho tla ba le e le nngwe kapa tse pedi tse ding.Mohala oa phetisetso oa 500kv ha e le hantle o sebelisa li-conductors tse arohaneng tse 'ne, ke hore, ho na le tse nne bakeng sa mohato o le mong, 220kv e sebelisa li-conductors tse fetang tse peli tse arohaneng, le 110kv e sebelisa e 'ngoe hape.Hoo e ka bang 1 insulator ke 6-10KV, li-insulator tse 3 ke 35KV, mela ea 60KV ha e ka tlaase ho likotoana tse 5, li-insulator tse 7 ke 110KV, li-insulators tse 11 ke 220KV, li-insulators tse 16 ke 330KV;Li-insulator tse 28 ehlile ke 500KV.Bakeng sa li-insulators tsa pin ka tlase ho 35KV, ha ho na phapang palo ea likotoana.Methapo e ka holimo ea 10KV hangata e sebelisa lipalo tsa samente tse 10-12m le li-insulators tsa pin.Sebaka se otlolohileng pakeng tsa lipalo ke hoo e ka bang 70-80m.Ha ho na foreimi ea tšepe bakeng sa 10KV, ke palo feela e nang le mela e meraro ea matla a phahameng ho eona.E tloaelehileng libakeng tsa mahaeng;Mehala ea 35KV e holimo hangata e sebelisa lipalo tsa samente tse 15-mithara tse le 'ngoe kapa tse habeli (hape sebelisa palo e nyane ea litora tse nyane tsa tšepe, bophahamo bo ka hare ho limithara tse 15-20) le likotoana tse 2-3 tsa li-insulators tsa serurubele, mola o otlolohileng lipakeng tsa lipalo. limithara tse ka bang 120;220KV ehlile ke tora e kholo ea tšepe.Mehala e ka holimo ea 220KV hangata e sebelisa litora tsa tšepe tse fetang limithara tse 30 le likhoele tse telele tsa li-insulators tsa serurubele.Sebaka se otlolohileng pakeng tsa litora tsa tšepe ke limithara tse fetang 200.Li-insulators tse kopantsoeng: Ho netefatsa ts'ebetso e bolokehileng ea sistimi ea motlakase le ho ntlafatsa ts'epo ea phepelo ea motlakase ke sesupo sa bohlokoa bakeng sa tlhahlobo ea lik'hamphani tsa motlakase, mme ts'ebeliso e tsoelang pele ea lisebelisoa tsa theknoloji e phahameng ke tsela e sebetsang ea ho rarolla bothata bona.Joalo ka sehlahisoa se secha, insulator e kopantsoeng ea rabara ea silicone e na le melemo ea boima bo bobebe, boholo bo nyane, anti-flashover, ho hanyetsa botsofali, ntle le tlhokomelo le ntle le tlhokomelo, 'me e sebelisitsoe haholo mehala ea 35kV le 110kV.
Nako ea poso: Jan-30-2023