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Old 18th Nov 2015, 7:50 pm   #21
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Default Re: How much DC on your mains ?

Quote:
Originally Posted by happytiger View Post
No don't try that, you may get high voltages on the transformer if you get near resonance.
Why not try (after suitable calculations) you would be very unlucky (unlikely too) to get resonance in a loaded transformer. A huge electrolytic could be used, they cope with a few hundred millivolts backwards, not to sure about long term though.