variacs

To: "'Tesla List'" <tesla-at-pupman-dot-com>
Subject: variacs
From: Tesla List <tesla-at-stic-dot-net>
Date: Mon, 9 Mar 1998 15:43:54 -0600
Approved: tesla-at-stic-dot-net


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From:  Gary Lau  09-Mar-1998 0806 [SMTP:lau-at-hdecad.ENET.dec-dot-com]
Sent:  Monday, March 09, 1998 7:17 AM
To:  tesla-at-pupman-dot-com
Subject:  variacs

>>From:  Walt Kulpa [SMTP:gwkulpa-at-earthlink-dot-net]
>>In following the list as I prepare my fist coil, I am considering
>>statements made about a nst drawing more than it's rated ampapacity due
>>to it's unrestricted load. If this is true, then I need to know how to
>>judge the size of say a 15kv/60ma transformer in terms of properly
>>determining the size of the variac that I should be uing. Is there a rule
>>of thumb that I can use to determine overcurrent protection, variacs,etc?
>>
>>Best regards,
>>Walt Kulpa

>Walt,
>    A 15Kv/60ma neon pulls about 4A so I imagine a 60ma neon would pull
>about 8A.
>Sometimes if the plate is still on the transformer it will tell you how much
>to expect. Hope this helps you.
>
>Shaun O'Brien

My 15Kv/60ma neon pulls about 15+ Amps, due to the .01 uF tank cap being
strongly resonant with it at 60 Hz.  This is a GOOD thing!

Gary Lau
Waltham, MA USA