SCR

Discussion in 'The Projects Forum' started by Denke, Apr 6, 2006.

  1. Denke

    Thread Starter New Member

    Apr 6, 2006
    2
    0
    Question: there 30V RMS (Vpeak = 42V), 2 A across the SCR. To control the firing angle of that SCR I am using Phase Control - Diode, Resistor, Potentiometer, Capacitor. If the trigger voltage for the SCR is 0.65V and the holding current is 9mA, what are the formulas to calculate Rt (total resistance of the Firing Circuit) and C needed in order to control the firing angle of the SCR between 30 and 150 degrees?
    Thank you for reading my messege.
     
  2. Papabravo

    Expert

    Feb 24, 2006
    9,912
    1,724
    What's with the multiple posts, ya lid!
     
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