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          ղ    Ϊҳ
          Ʒ
          > IGBTɢ >

          IGBT¶밲ȫ

          Դhttp://www.stgeorgeutahrentals.com/
          IGBT

          IGBTIGBTֺFWDֹIGBTԴڲIGBTͷܣFWDоƬǸԷĵĺϼƼΪIGBT巢ⷢĿɷΪ̬ͽݽɱ
          IGBTһ뿪Ҫڣ

          1IGBTڵͨʱб͵ѹ-Vcesat
          2IGBTڿʱпܺ-EonEoff

          IGBTĵĸԴVcesatɵͨEonEoffɿ
          ͨ + = IGBT

          FWDҲΪ

          1ͨʱͨѹVf
          2ڷָĹзָܺģErec

          VfɵͨErecɿ
          ͨ + = FWD
          VcesatEonEoffVfErecIGBT/FWDоƬļIGBT/FWDоƬͬVcesatEonEoffVfErecҲͬ
          IGBTĿɷΪ̬ĺͶ̬о̬İ̬ͨĺͶ̬̬ģģͨĺ͹ضڹضʱĵԼѹ˻СԺԲ˼㾲̬ĵʱԲǶ̬ƽ˵ľ̬һָ̬ͨ

          IGBT-IGBTͨģ
          IGBTͨڱ״̬IGBT伫ѹԼڱ͵ѹVcesat
          IGBTָ̬ͨIGBTͨڵͨѹVcesat
          VcesatIcĹϵͼĽԷʾ
          Vcesat = Vt0 + Rce * Ic
          IGBTĵͨģ
          Pcond = d * Vcesat * IcdΪIGBTĵͨռձ
          IGBT͵ѹĴСͨĵIcоƬĽTjżѹVgeй
          IGBT͵ѹֵVcesat
          ӢIGBTµı͵ѹֵ
          1Tj=252Tj=125ΪIc,nom(ıƵ)VGE=+15V
          IGBT-IGBTģ
          IGBT֮ԴڿܺΪڿͨ͹ضϵ˲͵ѹص
          ſƵʵеıҲñȽϴİͨĺ͹ضڸͨضʱģͨӵؽ͵ѹٶʱַõͬʱ迼ʵʵο֮IJ
          VceӽEonEoffɽƵؿIcVceȣ
          Eon = EON * IC/IC,NOM * Vce /
          Eoff = EOFF * IC/IC,NOM * Vce /
          IGBTĿģ
          PSW = Fsw * (Eon + Eoff)fSWΪƵ
          IGBTܺĵĴС뿪ʱĵIcѹVceоƬĽ£Tjй
          IGBTܺĵֵEonEoff
          ӢIGBTµĿֵܺ
          1Tj=252Tj=125ΪIC,NOM(ıƵ)
          IGBT-FWDģ
          ָFWDĹͨתΪϵ˲ΪͨٻָΪ״̬
          VrӽErecɽƵؿIfVrȣ
          Erec = EREC * If /IF,NOM * Vr/
          FWDĿģ
          Prec = fSW * ErecfSWΪƵ
          FWDָܺĵĴСͨʱĵIf仯dif/dtѹVrоƬĽ£Tjй
          IGBTָܺĵֵEREC
          ӢIGBTµķֵָܺ
          1Tj=252Tj=125ΪIF,NOMıƵ
          IGBT-С᣺
          IGBT:
          ͨģ

          1IGBTоƬй
          2йأIGBTռձȳTj߶
          3йأVgeӶС

          ģ

          1IGBTоƬй
          2빤йأ뿪ƵѹTj߶
          3йأRgżضϵѹӶС

          FWD:
          ͨģ

          1FWDоƬй
          2빤йأFWDռձȳ

          ģ

          1FWDоƬй
          2빤йأ뿪ƵѹTj߶

          ϵͳܵģ
          IGBTܵPTrΪ̬ͨ뿪֮ܵPDΪ̬ͨĺͿ֮ԱƵΪϵͳܵPtotΪ6IGBT6֮
          ֤: ҸͼƬ
             Ϻ˵ӿƼ޹˾
             ϵˣС
             ߣ021-58979561
             ҵѯqq447495955
             ҵѯqq1852433657
             ҵѯqq513845646
             ֧qq313548578
             Ⱥ376450741
             ҵѯ:  ҷϢ
             ҵѯ:  ҷϢ
             ҵѯ:  ҷϢ
             ֧:  ҷϢ
             ý:  ҷϢ

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