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        IGBTʿֱ-ֱ-funֱѹյ·

        ضIGBTʱڵдʿֱ-ֱ-funֱʿֱ-ֱ-funֱ缫-伫ᷢӿѹʿֱ-ֱ-funֱʿֱ-ֱ-funֱ·ʩIGBTϵĹѹ͹ضĵڻԷֵضʱһʿֱ-ֱ-funֱ׵յ
        RCD ·
        缫-伫ᷢӿѹ
        ضϿʱ : 1/2・LiC2
        e+ L・diC/dt
        ضϿʱ
        CsܹȫL
        1/2・LiC21/2・Cs・Δe2
        ʿֱ-ֱ-funֱ
        Δe i0×√L/Cs
        CsܹȫL
        CsܹȫL
        RCD·ģ
        RCD·
        ѻ·װÿIGBTϱȰװֱĸߺ͵֮ЧRsĽϴRsϵLiC2뿪Ƶʵij˻ʿֱ-ֱ-funֱLΪ0.2μHiCΪ100AƵΪ10kHzʱΪ20Wʱʿֱ-ֱ-funֱ3···ľ120WͨؽƵʻԴ
        Ϊ˽ΔeȼСL·ķֲУΪҪCsбСС
        VsǣߵУ×-dic/dtDsָѹԼCsķֲУ×-dic/dtܺ
        Ҫʹ·Ч
        Ը͵-dic/dtΪIGBTIGBTĹضٶȣ
        С·ߵĵΪ跨Դ⣩ھܿIGBTʿֱ-ֱ-funֱλʹͭʵʩֲ㲼õʿֱ-ֱ-funֱ
        ·ҲӦʿֱ-ֱ-funֱĸʿֱ-ֱ-funֱCsӦñĤƵԺõԪ
        DsʹͨѹСָͳٶ
        ʵʻ·
        ໺·
        ໺·
        ָ
        һҳĻ·1ʡʿֱ-ֱ-funֱԴڽСӦʿֱ-ֱ-funֱ·13;ĻĻı׼ֱÿIGBTĻ·Ǹֵ1/2
        ָ
        Ӧڴʱʹֲͭ㲼߽ͲߵеĻ޷⻺·еԪ𻵻
        ֹŵͻ··3
        ֹŵͻ··3
        CsܹL
        1/2・L・iC21/2・Cs・Δe2
        CsL×(iC/Δe)2
        һιضΪֹCsĵҪзŵʿֱ-ֱ-funֱԴˣCs×Rsʱ䳣ЧΪ˷ŵ90%
        RsQ1/(2.3・Cs ・f) f : Ƶ
        ǿȷRsСֵRsСͨʱкʿֱ-ֱ-funֱʿֱ-ֱ-funֱʿֱ-ֱ-funֱԸһЩֵΪ
        Rs ϵ P(Rs) Rs ֵ޹Ϊ
        P(Rs)1/2・L・iC2
          ֤: ҸͼƬ
             Ϻ˵ӿƼ޹˾
             ϵˣС
             ߣ021-58979561
             ҵѯqq447495955
             ҵѯqq1852433657
             ҵѯqq513845646
             ֧qq313548578
             Ⱥ376450741
             ҵѯ:  ҷϢ
             ҵѯ:  ҷϢ
             ҵѯ:  ҷϢ
             ֧:  ҷϢ
             ý:  ҷϢ

          ʿֱ-ֱ-funֱ
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