Re: variac size and flashover
In a message dated 11/12/1999 6:07:51 AM Mountain Standard Time,
> 2 questions for the gurus:
> 1) How big a variac do i need? 5 amps? 15 amps? I'm going to be
> running a 12kv 60ma NST.
> 2) What's the recommended distance between the first turn of the
> primary and the secondary to prevent flashover? I was thinking 2",
> (for a 6" secondary) but now i'm wondering if that's too much. . .
> paul mathus
Answer 1: An 8 amp variac is more than sufficient. I don't think you can
find a 6 amp one which is about the minimum.
Answer 2: I think 2 inches clearance is just about right for a six in