DC-AC Motor Drive 3-Phase Step-Modulation Po=10kW -40 -20 0 20 40 60 80 100 120 1400) 0 100 200200...

DC-AC Motor Drive 3-Phase Step-Modulation Po=10kW -40 -20 0 20 40 60 80 100 120 1400) 0 100 200200 300
DC-AC Motor Drive 3-Phase Step-Modulation Po=10kW -40 -20 0 20 40 60 80 100 120 1400) 0 100 200200 300
DC-AC Motor Drive 3-Phase Step-Modulation Po=10kW -40 -20 0 20 40 60 80 100 120 1400) 0 100 200200 300
DC-AC Motor Drive 3-Phase Step-Modulation Po=10kW -40 -20 0 20 40 60 80 100 120 1400) 0 100 200200 300
DC-AC Motor Drive 3-Phase Step-Modulation Po=10kW -40 -20 0 20 40 60 80 100 120 1400) 0 100 200200 300
download DC-AC Motor Drive 3-Phase Step-Modulation Po=10kW -40 -20 0 20 40 60 80 100 120 1400) 0 100 200200 300

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Transcript of DC-AC Motor Drive 3-Phase Step-Modulation Po=10kW -40 -20 0 20 40 60 80 100 120 1400) 0 100 200200...

  • P. 0 © 2018 ROHM Co.,Ltd.

    DC-AC Motor Drive 3-Phase Step-Modulation Po=10kW

    Input : Vin=500V

    Output : Po=10kW

    Vpp=250Vpk

    Im=32.7A

    PWM : MR=0.5

    fsw=20kHz(Step-Modulation)

    rpm=3000

    Gate Drive : Vd=10V

    R source=5Ω

    R sink=2Ω

    Q1~Q6 : R6076MNZ1

    MOSFET(600V 76A)

    L1~L3 : 500uH

    Tj=100℃

    DC-AC Motor Drive 3-Phase Step-Modulation Po=10kW Simulation Circuit

    ImU

    ImV

    ImW

  • P. 1 © 2018 ROHM Co.,Ltd.

    Simulation Waveform

    Im, Vpp, Vmod (0~20ms) Vin=500V Po=20kW MR=0.5 fsw=20kHz Tj=100℃

    Red : ImU(A)

    Loss(J)

    Vpp(V)

    Green : ImV(A) Blue : ImW(A)

    Vmod(V)

    Red : Vmod-U(V)

    Red : Q1

    Red : Vpp-UV (V)

    Green : Vmod-V(V)

    Blue : Vmod-W(V)

    Loss, Pd (Q1,Q2)

    Green : Q2

    Pd_Q1(kW)

    Pd_Q2(kW)

    Red : Q1

    Green : Q2

    Im(V)

  • P. 2 © 2018 ROHM Co.,Ltd.

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    Po(kW)

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    Efficiency, Power Dissipation 1

    Pd(W) Power Dissipation

    Vin : 300V~500V Po=10kW MR=0.5 fsw=20kHz Tj=100℃

    Efficiency : 100×Po/Pin

    Efficiency (%)

    Efficiency : 100×Po/Pin

    Pd(W) Power Dissipation

    Po : 2kW~10kW

    Efficiency (%)

    Vin=500V MR=0.5 fsw=20kHz Tj=100℃

    Q1~Q6

    Q1~Q6

  • P. 3 © 2018 ROHM Co.,Ltd.

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    fsw(kHz)

    Efficiency, Power Dissipation 2

    Pd(W) Power Dissipation

    fsw : 10kHZ~100kHz Vin=500V Po=10kW MR=0.5 Tj=100℃

    Efficiency : 100×Po/Pin

    Efficiency (%)

    Efficiency : 100×Po/Pin

    Pd(W) Power Dissipation

    Tj : -25℃~125℃

    Efficiency (%)

    Vin=500V Po=10kW MR=0.5 fsw=20kHz

    Q1~Q6

    Q1~Q6

  • P. 4 © 2018 ROHM Co.,Ltd.

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    0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 1.1 1.2

    V p

    p -U

    V (

    V )

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    0.2 0.4 0.6 0.8 1 1.2

    Im U

    ( A

    )

    MR

    Output –Modulation Ratio-

    ImU(A)

    Vpp-UV, ImU Vin=500V Po=10kW fsw=20kHz Tj=100℃

    MR : 0.3~1.1

    Vpp-UV(V)

    Vin=500V Po=10kW fsw=20kHz Tj=100℃

    Vpp-UV(V)

    Aqua : MR=1.1 Olive : MR=0.9 Blue : MR=0.7 Green : MR=0.5 Red : MR=0.3

    Red : MR=0.3 Green : MR=0.5 Blue : MR=0.7 Olive : MR=0.9 Aqua : MR=1.1

    ImU(Arms)

    Vpp-UV(Vpk)

    Vpp-UV(Vrms)

    ImU(A)