[Amps] Drying out HV transformers / Chokes

Steve Thompson g8gsq at ic24.net
Sun Sep 18 03:14:30 EDT 2005


Don Lemley wrote:

>Hi all,
>
>	Ok, I know this has been covered here before, but is there a
>consensus on how to get the moisture out of HV plate transformers and
>chokes, so they won't arc on me......
>
Self heating? An untried idea - short one of the windings, and apply a 
little voltage to the other with a variac and let the thing warm up 
gradually, increasing the voltage until it sits at 50C/120F for a few 
days. My guess would be to short the primary and apply volts to the 
secondary.

Steve


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