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      IGBTӢֱ-ֱ-funֱѹյ·

      ضIGBTʱڵдӢֱ-ֱ-funֱӢֱ-ֱ-funֱ缫-伫ᷢӿѹӢֱ-ֱ-funֱӢֱ-ֱ-funֱ·ʩIGBTϵĹѹ͹ضĵڻԷֵضʱһӢֱ-ֱ-funֱ׵յ
      RCD ·
      缫-伫ᷢӿѹ
      ضϿʱ : 1/2・LiC2
      e+ L・diC/dt
      ضϿʱ
      CsܹȫL
      1/2・LiC21/2・Cs・Δe2
      Ӣֱ-ֱ-funֱ
      Δe i0×√L/Cs
      CsܹȫL
      CsܹȫL
      RCD·ģ
      RCD·
      ѻ·װÿIGBTϱȰװֱĸߺ͵֮ЧRsĽϴRsϵLiC2뿪Ƶʵij˻Ӣֱ-ֱ-funֱLΪ0.2μHiCΪ100AƵΪ10kHzʱΪ20WʱӢֱ-ֱ-funֱ3···ľ120WͨؽƵʻԴ
      Ϊ˽ΔeȼСL·ķֲУΪҪCsбСС
      VsǣߵУ×-dic/dtDsָѹԼCsķֲУ×-dic/dtܺ
      Ҫʹ·Ч
      Ը͵-dic/dtΪIGBTIGBTĹضٶȣ
      С·ߵĵΪ跨Դ⣩ھܿIGBTӢֱ-ֱ-funֱλʹͭʵʩֲ㲼õӢֱ-ֱ-funֱ
      ·ҲӦӢֱ-ֱ-funֱĸӢֱ-ֱ-funֱCsӦñĤƵԺõԪ
      DsʹͨѹСָͳٶ
      ʵʻ·
      ໺·
      ໺·
      ָ
      һҳĻ·1ʡӢֱ-ֱ-funֱԴڽСӦӢֱ-ֱ-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
      һιضΪֹCsĵҪзŵӢֱ-ֱ-funֱԴˣCs×Rsʱ䳣ЧΪ˷ŵ90%
      RsQ1/(2.3・Cs ・f) f : Ƶ
      ǿȷRsСֵRsСͨʱкӢֱ-ֱ-funֱӢֱ-ֱ-funֱӢֱ-ֱ-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

        Ӣֱ-ֱ-funֱ

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