kripacharya
Banned
Conduction angle is in fact about 65 degrees i.e. the first, or last 65 degrees of each half cycle, if you want 110V rms from 230Vrms
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View attachment 154387 per the above ...
Very useful graph!
Firing angle is seen to be ~65° in first and last part of cycle to achieve 110Vrms from a 220Vrms signal.
At 65°, peak voltage would then be:
220 x √2 x sin(65) = 282 volts. Not that much different from 220x1.414 and still exceeding peak of 110Vrms signal by more than 125 volts.