Microcontroller and programming

Robinaghera · Sep 26, 2013

I am using pulse train to trigger TRIAC and using moc3021 optocoupler to trigger triac ...circuit is working with frequencies up to 30Hz but i want to work with 50Hz/230V but it is not working....please chek circuit...and help me...please friends.. waiting for your replies

chuckey · Sep 26, 2013

" circuit is working with frequencies up to 30Hz ", the only frequency dependent item in the circuit is the L, it could be that its impedance is too high so the triac holding current is not met.
Frank

Microcontroller and programming

Robinaghera

Newbie level 1

chuckey

Advanced Member level 6

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Robinaghera

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