Eli phepha lihlalutya umonakalo kunye nesizathu sokungalingani komthwalo wesigaba sesithathu se-transformer yokusasaza, kwaye libeka phambili amanyathelo athile okusombulula ukungalingani.

Impumelelo entsha kubuchwepheshe be-UHV! Uvavanyo oluphumeleleyo lwesizukulwana esitsha se-transformer ye-a million volt.
Ngomhla wama-28 kweyeDwarha, iTBEA (20.730, -0.94, -4.34%) yaziswa ukuba isizukulwana esitsha se-transformer ye-1000kV AC ephuma ngqo eyenziwe yiTBEA kutshanje siphumelele zonke iimvavanyo ngaxeshanye, kwaye iTBEA yaba yinkampani yokuqala eTshayina ukuphumelela zonke iimvavanyo zesizukulwana esitsha se-transformer ye-megavolt ngaxeshanye.
Ukuze kuhlangatyezwane nokuthembeka okuphezulu kwezixhobo ezikwindawo ephakamileyo, i-TBEA yaseka iqela lophando elikhethekileyo yaza yaphumelela uphuhliso lwemveliso ngaxeshanye emva kwemiboniso emininzi ekhethekileyo kunye nesikhokelo esivela kwiGrid yeSizwe kunye neengcali zoshishino.
Imveliso isebenzisa isixhobo esitsha sokuphuma ngqo okokuqala ize isilungise emzimbeni, iphephe iingozi ezibangelwa yinkqubo yokuqhaqha nokudibanisa kwakhona kwindawo emva kovavanyo lwesixhobo sokuphuma ngokungangqalanga; isebenzisa isakhiwo esitsha sokufudumeza ikhoyili okokuqala ukuphucula ngakumbi iimpawu zokufudumeza, ukumelana nokujikeleza okufutshane, ukusasazwa kokunyuka kobushushu kunye nenkqubo yokuvelisa imveliso kwindawo yokusebenzela, ngakumbi ukuhlangabezana neemfuno zokunyuka kobushushu be-transformer kwiindawo eziphakamileyo; isebenzisa ingcamango entsha yoyilo olungenakuqhuma kwitanki yeoyile okokuqala, iphucula kakhulu ukusebenza kwe-transformer okungenakuqhuma. Ngokusebenzisa ezi teknoloji zintsha, ukusebenza kobugcisa kwesizukulwana esitsha se-mega-voltage transformers kudlula oko kwabangaphambili, kunciphisa ilahleko iyonke ngaphezulu kwe-80kW kwaye kuphucula kakhulu umgangatho wokusebenza kakuhle kwamandla eemveliso.
Uvavanyo oluphumeleleyo lwesizukulwana esitsha se-transformer ye-million volt aluphuculi nje kuphela ukhuseleko kunye nokuzinza kokusebenza kwe-AC transformer yaseTshayina kwiindawo eziphakamileyo, kodwa lukwadlala indima ebaluleke kakhulu ekusetyenzisweni kwamandla acocekileyo kunye nokuqinisekisa ukusebenza okuzinzileyo kwegridi yamandla.
Umthombo: Inethiwekhi yeSayensi neTekhnoloji yaseTshayina
I-CANWIN ikwangumthengisi wezixhobo ze-TBEA, Ukuba unesidingo somatshini wokusika we-CRGO kunye nomgca wokunqumla kunye neetransformer, wamkelekile ukuqhagamshelana nathi.

Ukhuseleko lwegesi lolona khuselo luphambili kwiimpazamo zangaphakathi zetransformer. Ingasebenza ngononophelo kwiisekethe ezimfutshane zetransformer eziphakathi kunye neze-inter-layer, iimpazamo zentsimbi, iimpazamo ze-bushing zangaphakathi, ukunqanyulwa kwe-insulation yangaphakathi, ukonakala kwe-insulation kunye nokuwa kwenqanaba leoyile. Xa kukho impazamo ngaphakathi kwetransformer entywilisiweyo kwioyile, i-arc iya kubolisa izinto zokukhusela kwaye ivelise inani elikhulu legesi, eliphuma kwitanki yeoyile ukuya kumqamelo yeoyile, kwaye ubunzulu bayo buyahluka ngokobunzima bempazamo, okubonakalisa ukuhamba komoya kunye nokuhamba kweoyile. Ukhuseleko lwesenzo lubizwa ngokuba lukhuselo lwegesi, olukwabizwa ngokuba lukhuselo lwegesi. Ngexesha lokusebenza kwetransformer, ngenxa yeempazamo zangaphakathi, ngamanye amaxesha asikwazi ukuchonga nokuthatha amanyathelo ngexesha, okulula ukubangela ezinye iingozi. Emva kokukhuselwa kwe-relay yegesi, ukwenzeka kweziganeko ezifanayo kunokuthintelwa ukuya kwinqanaba elithile.

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1. Yintoni i-transformer?


Kwisekethe ye-AC, isixhobo esonyusa okanye esinciphisa i-voltage sibizwa ngokuba yi-transformer. I-transformer inokuguqula naliphi na ixabiso le-voltage libe lixabiso le-voltage esilifunayo nge-frequency efanayo ukuhlangabezana neemfuno zokuhambisa, ukusasaza kunye nokusetyenziswa kwamandla ombane.


Umzekelo, umbane ovela kwisikhululo samandla unenqanaba eliphantsi le-voltage, kwaye i-voltage kufuneka yonyuswe ngaphambi kokuba ithuthwe iye kwindawo ekude yokusebenzisa umbane. Indawo yokusebenzisa umbane kufuneka incitshiswe ibe kwinqanaba elifanelekileyo le-voltage ukuze kubonelelwe ngezixhobo zombane kunye nombane wemihla ngemihla. Izixhobo.

1. Ziziphi izinto eziphambili ze-transformers ezintywiliselwa kwi-oyile?




Impendulo: Izinto eziphambili zetransformer zezi: umbindi wentsimbi, ukujija, itanki yepetroli, umqamelo weoyile, umphefumli, umbhobho othintela ukuqhuma, irediyetha, isingxobo sokukhusela, itshintshi yetephu, i-gas relay, i-thermometer, ioyile ecocekileyo, njl.

I-power transformer yindawo ephambili yokudlulisa nokusasaza amandla ombane, kwaye yeyona nto iphambili kwigridi yamandla. Ukusebenza kwayo okuthembekileyo akuhambelani nje kuphela nomgangatho wamandla wabasebenzisi abaninzi, kodwa kukwanxulumene nokhuseleko lwenkqubo yonke. Ukuthembeka kwe-power transformer kuxhomekeka kwimeko yayo yempilo, akuxhomekekanga kuphela kuyilo kunye nokuveliswa, izixhobo zokwakha, kodwa kukwanxulumene kakhulu nokulungiswa kunye nokugcinwa. Ingxaki yokuphucula ukumelana kwe-short-circuit ye-transformers kwiinkqubo zamandla iyaxoxwa.

Ii-transformer cores ezisetyenziswa rhoqo zenziwa ngamashiti esinyithi e-silicon. I-silicon steel luhlobo lwentsimbi eyenziwe nge-silicon (i-silicon ikwabizwa ngokuba yi-silicon), kwaye umxholo wayo we-silicon yi-0.8 ukuya kwi-4.8%. Umongo wesinyithi we-transformer wenziwe nge-silicon steel kuba i-silicon steel ngokwayo yinto enomtsalane ene-magnetic permeability enamandla.

Umbuzo:
"Kukho i-transformer yakudala ye-1000KVA enomthwalo okhoyo omalunga ne-200KW. Ukuba kuza kongezwa umthwalo omtsha omalunga ne-600KW, ngaba le transformer ingamelana nayo?"

Izinto eziphambili zomzimba we-transformer ziquka izixhobo zesekethe zemagnethi, izixhobo zesekethe, izinto zokukhusela ubushushu, izixhobo zokwakha, njl.

Canwin Ndikunqwenelela uNyaka oMtsha oMnandi ngo-2022.