Mai Bayar da Kariyar Muhalli na Duniya

Sabuwar fasaha madaidaiciya madaidaiciya da aikace-aikacen sa a cikin kayan rufewa

Tun daga 1966, Fasahar EM ta himmatu wajen bincike da haɓaka kayan rufewa. Shekaru 56 na noma a masana'antar, an kafa wani babban tsarin bincike na kimiyya, sama da nau'ikan sabbin kayan kariya iri 30 an haɓaka, waɗanda ke ba da wutar lantarki, injina, man fetur, sinadarai, lantarki, motoci, gini, sabbin makamashi da sauran masana'antu. . Daga cikin su, aikace-aikacena kayan rufe fuska a cikin injunan gyare-gyare shima yana ɗaya daga cikin mahimman kwatance waɗanda muke mai da hankali akai.

A matsayin sabon ƙarni na fasahar watsawa ta DC, watsawar DC mai sassauƙa yana kama da watsawar HVDC a cikin tsari, wanda har yanzu ya ƙunshi tashoshi masu juyawa da layin watsa DC. Daban-daban daga nau'in watsawa na yanzu na HVDC wanda ya dogara da fasaha mai sarrafa lokaci, mai canzawa a cikin watsawar DC mai sassauƙa shine mai sauya wutar lantarki (VSC), wanda ke da amfani da na'urori masu sauyawa (yawanci IGBT) da fasaha mai saurin mitoci. . A cikin 'yan shekarun nan, m DC watsa yana tasowa zuwa mafi girma ƙarfin lantarki sa da iya aiki.

Matsayin aikace-aikacen IGBT: IGBT yana cike da bututun bipolar ƙofar ƙofar, wanda za'a iya kashe shi, yana da fa'idodin ƙananan asara da sauƙin sarrafawa, kuma ana iya ɗaukarsa azaman CPU na watsawa kai tsaye mai laushi. A halin yanzu, IGBT da aka yi amfani da shi a cikin aikin duk kayayyakin da aka shigo da su ne, galibi ABB da Siemens, yayin da IGBT na cikin gida mai ƙarfin lantarki da ƙarfin aiki ba shi da samfuran balagagge. A halin yanzu, ci gaban gida yana jinkirin, dogaro da shigo da kaya yana da ƙarfi, kuma haɗarin yana da girma. A lokaci guda, farashin IGBT yana lissafin kusan kashi 30% na farashin bawul.

Yiwuwar sabon IGCT: Dangane da ƙarancin yuwuwar IGBT a China, muna ƙoƙarin maye gurbin IGBT tare da IGCT. Mitar sauyawa, ikon tuki da sauran ayyukan IGCT na gargajiya sun fi IGBT, amma yana da wasu fa'idodi a cikin iya aiki, asara a kan jihar, asarar canzawa da farashi (farashin samfuran da ke da ƙarfin iri ɗaya shine kusan 1/2 na IGBT. ). Duk da haka, idan an yi amfani da IGCT na gargajiya don watsa wutar lantarki mai sauƙi ta UHV, da zarar an kunna IGCT, diode zai haifar da babban farfadowa na yanzu, wanda zai yi tasiri mai yawa akan tsarin. Sabili da haka, don kare diode, mun bincika sabon ICCT ta hanyar ƙara ƙarin da'irar shawa akan tsarin IGCT na gargajiya don rage tasirin tsarin.

Sabbin Aikace-aikacen IGCT: Tare da ƙari na ƙarin da'irori masu sha, sabon ƙirar IGCT ɗinmu ya fi dacewa kuma yana da juriya mai ƙarfi da aminci mai girma, don haka za mu iya kera kayan haɓakawa tare da ingantaccen amincin rufi da ƙarfin injin. Xd Power System Co., Ltd. yana riga-kafin bincike kan kayan da aka rufe don da'irar IGCT don aikin Yunnan Maitrei. Idan ƙirar ta dogara ne akan tsarin tsarin wutar lantarki na XD, za a rage adadin nau'ikan IGCT da kusan 3% idan aka kwatanta da IGBT, kuma jimlar adadin kayan rufewa zai zama sau 2-3 na IGBT.

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