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Hi Barry, thank you for response. So, if I understood you correctly, since it is zero cross voltage, current might still not be zero which can cause undesirable effect. in this case, what type of capacitor is ideal. should I go for capacitors at some rated AC voltage of like 275VAC or a smaller...
I am a newbie to power electronics but can understand the basics. My very specific question is, whether a snubber circuit is needed for a triac that is driven by an optocoupler that is based on zero-crossing, like MOC3043?
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