HWpowerelectricity3a

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  • 8/9/2019 HWpowerelectricity3a

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    a

    b

    SW x

    a

    b

    a

    b

    Single-quadrant switches Ideal SPST a

    b

    a

    b

    a

    b

    a

    b

    Current-bidirectional two-quadrant

    Voltage-bidirectional two-quadrant

    a

    b

    a

    b

    Four-quadrant switch

    a

    b

    d1 d2 t2t1 2qi1 2qi2

    2qv1 2qv2 4q

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