Tus Muab Kev Tiv Thaiv Ib Puag Ncig Thoob Ntiaj Teb

Ib txoj kev siv tshuab mos mos tshiab thiab nws daim ntawv thov hauv cov khoom siv rwb thaiv tsev

Txij li xyoo 1966, EM Technology tau cog lus rau kev tshawb fawb thiab kev tsim cov khoom siv rwb thaiv tsev. 56 xyoo kev cog qoob loo hauv kev lag luam, ib lub kaw lus tshawb fawb loj heev tau tsim, ntau dua 30 hom khoom siv rwb thaiv tsev tshiab tau tsim, pabcuam lub zog hluav taws xob, tshuab, roj av, tshuaj lom neeg, khoom siv hluav taws xob, tsheb, kev tsim kho, lub zog tshiab thiab lwm yam lag luam. Ntawm lawv, daim ntawv thovntawm cov khoom siv rwb thaiv tsev hauv cov tshuab molding kuj yog ib qho ntawm cov lus qhia tseem ceeb uas peb tab tom tsom mus rau.

Ua ib tiam tshiab ntawm cov thev naus laus zis DC kis tau tus mob, kev kis tau tus mob DC yooj ywm zoo ib yam li kev kis tau tus mob HVDC hauv cov qauv, uas tseem muaj cov chaw hloov pauv thiab cov kab kis tau tus mob DC. Txawv ntawm cov hloov pauv tam sim no hom HVDC kis tau tus mob raws li cov thev naus laus zis tswj hwm theem, lub converter hauv kev kis tau tus mob DC yooj ywm yog voltage source converter (VSC), uas yog tus cwj pwm los ntawm kev siv cov khoom siv hloov pauv (feem ntau yog IGBT) thiab cov thev naus laus zis hloov kho zaus siab. Nyob rau xyoo tas los no, kev kis tau tus mob DC yooj ywm tab tom txhim kho mus rau qib voltage siab dua thiab muaj peev xwm ntau dua.

Cov xwm txheej ntawm daim ntawv thov ntawm IGBT: IGBT puv nrog lub qhov rooj insulated bipolar raj, uas tuaj yeem kaw, muaj qhov zoo ntawm kev poob me me thiab yooj yim tswj, thiab tuaj yeem suav hais tias yog CPU ntawm kev sib kis ncaj qha. Tam sim no, IGBT siv rau qhov project yog txhua yam khoom xa tuaj, feem ntau yog ABB thiab Siemens, thaum cov khoom siv hluav taws xob siab thiab muaj peev xwm siab hauv tsev IGBT tsis muaj cov khoom tiav. Tam sim no, kev nce qib hauv zos qeeb, kev vam khom ntawm kev xa khoom tuaj muaj zog, thiab kev pheej hmoo loj heev. Tib lub sijhawm, tus nqi ntawm IGBT suav txog li 30% ntawm tus nqi valve.

Kev Ua Tau ntawm IGCT tshiab: Vim tias IGBT tsis tshua muaj peev xwm ua tau hauv Suav teb, peb sim hloov IGBT nrog IGCT. Lub zaus hloov pauv, lub zog tsav tsheb thiab lwm yam kev ua tau zoo ntawm IGCT ib txwm muaj qis dua IGBT, tab sis nws muaj qee qhov zoo hauv lub peev xwm, kev poob ntawm lub xeev, kev poob hloov pauv thiab tus nqi (tus nqi ntawm cov khoom uas muaj tib lub peev xwm yog li 1/2 ntawm IGBT). Txawm li cas los xij, yog tias IGCT ib txwm siv rau UHV lub zog xa hluav taws xob yooj ywm, thaum IGCT qhib, lub diode yuav tsim cov tam sim no rov qab loj, uas yuav muaj kev cuam tshuam loj rau lub kaw lus. Yog li ntawd, txhawm rau tiv thaiv lub diode, peb tau tshawb nrhiav ICCT tshiab los ntawm kev ntxiv cov voj voog nqus ntxiv rau ntawm IGCT module ib txwm muaj los txo qhov cuam tshuam rau lub kaw lus.

Cov Ntawv Thov IGCT Tshiab: Nrog rau kev ntxiv cov voj voog nqus ntxiv, peb tus qauv IGCT tshiab yog compact dua thiab muaj kev tiv thaiv kev cuam tshuam siab dua thiab kev ntseeg siab siab, yog li peb tuaj yeem tsim cov ntaub ntawv rwb thaiv tsev nrog kev ntseeg siab dua thiab lub zog kho tshuab. Xd Power System Co., Ltd. tab tom tshawb fawb ua ntej cov ntaub ntawv rwb thaiv tsev rau IGCT absorption circuit rau Yunnan Maitrei project. Yog tias tus qauv tsim yog raws li XD Power system scheme, tus lej ntawm IGCT modules yuav raug txo los ntawm kwv yees li 3% piv nrog IGBT, thiab tag nrho cov ntaub ntawv rwb thaiv tsev yuav yog 2-3 npaug ntawm IGBT.

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