1CommentsJoined January 29th, 2016

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  • MEAlvis commented on broham's forum topic Speed Control for AC Electric Motors1 year ago

    Wall light dimmers use Triacs to block all current flow when applied voltage is low and continue to block all current flow for a variable time after the applied voltage rises above zero, then rapidly switching on, timed to the rising voltage of the applied alternating wave of applied voltage: 0 up to 155 V peak positive, back to zero, up to 155 V peak negative and then back to zero 60 times/second.

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