Triac control by pulse transformer
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2021-02-22 2:26 AM - last edited on 2023-08-31 12:12 AM by Peter BENSCH
See AN436. I am using T1635-6G in a Hybrid Relay configuration following AN4993. Load is about 2kW at 230 VAC.
Circuit works fine at with gate traiin of pulses (2kHz, DC = 50%).
I want to trim parameters to optimum, at the moment transformer is make some audible sound at 2kHz.
What will be the best setting for PM frequenccy and duty cycle.
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