which is preferable in high power AC control - SCR or Triac?

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Taswar

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Hi all,
For high power AC control circuit, which one should I use? I want to know the pros and cons regarding the use of the two,so that better one can be chosen.Please help me in this regard.
With thanks and regards.
 

Hi,
For AC control both can be used but in case of high power application, SCR is preferable to avoid misfiring of Triac, as Triac can be fired with both positive and negative voltage to the gates but SCR can only be fired with positive voltage applied to the gate and hence chance of misfire is less.
Hope this helps.
Tahmid.
 
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    Taswar

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I think scr is preferable in high power AC control because scr is mainly used in switching and power control devices.
 

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