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Dimmer, Reverse Phase-Control

Discussion in 'Wiki' started by STEVETERRY, Aug 15, 2008.


    STEVETERRY Well-Known Member

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    New York
    A type of Dimmer, Phase Control that uses an IGBT transistor as the power device. Switches the circuit off in the middle of a half cycle rather than on with a normal thyristor phase-control dimmer.

    Useful for driving electronic low-voltage transformers for architectural applications. Such devices are specifically designed for reverse phase control dimmers.

    Cannot be used with inductive loads like ballasts or magnetic transformers.

    Also produces some reduction in filament noise over Dimmer, Forward Phase-Control thyristor dimmers.
    Last edited: Aug 15, 2008

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