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Triggering Snubberless Triac in QII and QIII with positive power supply

Question asked by Nazmul Hasan on Oct 28, 2017
Latest reply on Nov 17, 2017 by Benoit RENARD

Hi

Can I connect the positive output voltage terminal of my off-line power supply using Viper16L to AC-main's (N) terminal (doesn't make sense though) to trigger a snubberless triac (T435-800T) as I drawn below. Is there any way to avoid isolated power supplies in such cases? Please let me know your opinion.

 

Thanking you.

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