controlling firing angle of triac using mc

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Discussion in 'The Projects Forum' started by abi01shek, Jan 6, 2009.

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  1. Jan 6, 2009 #1
    abi01shek

    Thread Starter New Member

    Nov 24, 2008
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    how to control the firing angle of a triac using mc. i have to vary speed of an AC motor based on temperature. i have finished the temperature measurement part and am yet to complete the firing angle part. thanks
     
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  2. Jan 6, 2009 #2
    beenthere

    Retired Moderator

    Apr 20, 2004
    15,815
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    You may find it will help to have a zero crossing detector to assist in determining the phase angle.
     
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