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Re: Potential Transformer - What is it



Original poster: Kidd6488@xxxxxxx

Hi, kind of a dumb question, but I'm sure there's others wondering this too...

What exactly is a potential transformer? I thought I remembered it being like a mini-pig, but I'm not sure... if its 120v to 14.4kV it has to be some kind of step-down transformer for small loads off the standard 14.4kV power lines...?

Thanks

In a message dated 9/28/05 4:00:35 PM Eastern Daylight Time, tesla@xxxxxxxxxx writes:
Original poster: "D.C. Cox" <resonance@xxxxxxxxxx>




If you haven't wound the sec yet, go to 24 AWG 180 or 200 degree wire ---
around 1,400 turns with aspect ratio of 4.5:1.

I've run these PTs at 4 kVA keeping run time to 45 sec or less.

Dr. Resonance

>I was lucky enough to procure a Westinghouse PT-15 from Dr. R
>(Thanks !) at the Cheesehead teslathon. From what I could gather
>it's a 1750 VA, 120v to 14.4 KV unit. First I was wondering how far
>I can push this unit? I was hoping to get up to 4 KVA on a 6" X
>32"   sec. with #20 wire. On another note I was wondering how to go
>about conditioning the output? RF filtering etc. Is a modified terry
>filter what I need? As always thanks in advance.
>
>Mike.
>
>