Umthengisi weLizwe jikelele wokukhusela kwendalo

Itekhnoloji entsha ethe ngqo kunye nokusetyenziswa kwayo kwizinto zokufakwa

Ukususela ngo-1966, itekhnoloji ye-EM yenziwe ukuba inikele kuphando kunye nophuhliso lwezinto zokufakwa. Iminyaka engama-56 yokulima kwishishini, inkqubo enkulu yesayensi yenzekile, ngaphezu kweentlobo ezingama-30 zezinto ezintsha zokufakwa eziphuhlisiweyo, zisebenza ngamandla ombane, oomatshini, iimoto, amandla amatsha kunye namanye amashishini. Phakathi kwabo, isiceloKwimibandela yokuphatha koomatshini ababumbayo yenye yezona ndlela ziphambili esijolise kuzo.

Njengombhalo omtsha wetekhnoloji yokutshintsha kwe-DC, usasazo lwe-DC oluguqukayo luyafana nokudluliselwa kwe-HVDC kwisakhiwo, esenziwa zizikhululo zoguquguquko kunye nemigca yokuhambisa i-DC kunye nemigca yokuhambisa i-DC. Ukwahluka kwi-Converter yoThengisi yeHVDC ngokusekwe kwiTekhnoloji yokulawulwa kweSigaba seSigaba, i-DCS eguqulweyo ye-DC iguqulike kwi-Constage Izixhobo (vs), i-Igbt yeModyuli yeModyuli. Kwiminyaka yakutshanje, usulelo lwe-DC oluguqukayo luphuhlisa inqanaba le-voltage kunye nenqanaba.

Imeko yesicelo ye-Igbt: Igbtt igcwele ityhubhu ye-Iriptor Pibe, enokucinywa, inezibonelelo zokulahleka okuncinci kunye nokulawulwa ngokulula, kwaye kungathathwa njenge-CPU yosulelo ngqo. Okwangoku, i-Igbt isetyenziswa kule projekthi zonke iimveliso ezingeniswe ngaphandle, ubukhulu becala i-ABB kunye ne-Normens, ngelixa i-Igbt yasekhaya inamafutha aphezulu ye-voltage kunye nendawo ephezulu ayinazo iimveliso eziqolileyo. Okwangoku, inkqubela phambili yekhaya iyacotha, ukungenisa ukuxhomekeka komelele, kwaye umngcipheko uphakame kakhulu. Kwangelo xesha, iindleko zeeakhawunti ze-Igbt malunga ne-30% yexabiso le-valve.

Ukuba nakho kwenzeke i-Igc ye-Igct: Xa ujonga ukuba unokwenzeka kwe-Igbt e-China, sizama ukufaka i-Igbt nge-igct. Ukutshintsha rhoqo, amandla okuqhuba kunye nokunye intsebenzo ye-ICT ayiphantsi kwe-Igbt, kodwa ineengenelo ezithile ngokwasebumeni, kwi-switch, ixabiso leemveliso ezinomgangatho ofanayo zimalunga ne-1/2 ye-Igbt). Nangona kunjalo, ukuba i-ICT yeSintu isetyenziswa kusulelo lwamandla e-UHV, nje ukuba i-Igc ivuliwe, i-Diode iya kuvelisa ubuyiselo obukhulu ngoku, oya kuba nefuthe elikhulu kwinkqubo. Ke ngoko, ukwenzela ukukhusela i-Diode, saphanda i-ICCT entsha ngokongeza isekethe eyongezelelweyo yokufumana ubuchule kwimodyuli ye-IGC yeSintu yokunciphisa ifuthe kwinkqubo.

Izicelo ezitsha ze-IGCT: Ukuqulunqwa kwesekethe eyongezelelweyo yokufumana, uyilo lwethu lwe-Igct olutsha ngakumbi kwaye lunokungaxhathisi bempembelelo kunye nokuthembeka okuphezulu kunye nokuthembeka okuphezulu, ukuze sikwazi ukuqinisekiswa kwezinto eziphakamileyo ukuthembeka kunye namandla omatshini. Inkqubo ye-XD ye-XD Co. Ukuba uyilo lusekwe kwiNkqubo yeNkqubo ye-XD ye-XD, inani leemodyuli ze-IGCT ziya kuncitshiswa malunga ne-3% xa kuthelekiswa ne-Igbt, kwaye inani lilonke lezinto ze-Igbt.

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