Re: Unused Winding Autotransformer Warning

• To: tesla-at-pupman-dot-com
• Subject: Re: Unused Winding Autotransformer Warning
• From: "Jeff W. Parisse" <jparisse-at-teslacoil-dot-com> (by way of Terry Fritz <twftesla-at-uswest-dot-net>)
• Date: Mon, 01 May 2000 20:18:08 -0600
• Approved: twftesla-at-uswest-dot-net
• Delivered-To: fixup-tesla-at-pupman-dot-com-at-fixme

Robert,

I can't agree with you here. I've been doing it for years (over 10kVA)
and Bill Wysock has been doing it since I was a teenager! (up to
100kVA!). All with series variacs as current control. Your comments
suggest massive failure in the field and we just don't see that in the
practical application of TC science.

Jeff Parisse
www.teslacoil-dot-com


> As a general rule you can not use a variac as a series control element
> anywhere
> close to its rated kVA.

snip 

> So to control 5kVA in series mode you may need a 50kVA variac or even
> 100kVA!!!

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