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    Sparking-with slider as fan regulator

    user_420283366

      Hello all,

         

      I have implemented the Capsense slider as a fan regulator; while doing that I have used capacitors to control the fans speed.

         

      The problem I am facing is While 1st 3 (1=C1, 2=C2, 3=C1||C2) stages work fine (no spark in relay); but @ final stage when no capacitor is implemented there is a Spark inside the relay employed to run the fan @ max. speed.

         

      Why would it happen? what should I do to correct it? Do I need to add another small Capacitor in parallel to final stage as the load driven is Inductive?

         

      Please guide.

         

      Thanks & Regards-

         

      Amit

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