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    ղ    Ϊҳ
    Ʒ
    > IGBTɢ >

    IGBT¶밲ȫ

    Դhttp://www.changinglifeinc.com/
    IGBT
    ģ
    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

    ֳַ - ҳ

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