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Re: [TCML] RMS voltage



In a Tesla coil circuit the caps usually charge to their peak voltage just
before they fire (ideal).
This does depend on your total spark gap setting.  I've posted this measured
data somewhere in the archives.

Dr. Resonance




On Mon, Mar 14, 2011 at 5:20 AM, David Rieben <drieben@xxxxxxxxxxx> wrote:

> John,
>
> The "rated" voltage of an NST IS the (R)oot (M)eans (S)quare
> voltage (7500 volts in your case). The RMS is determined by
> the multiplying the inverse of the sq. rt. of 2- (.707) times the peak
> voltage of the sine wave "humps" and inversely, the peak
> voltage can be derived from multiplying the sq. rt. of 2- (1.414)
> times the RMS voltage value - 7500(1.414) = 10,605 and in-
> versely 10,605(.707) = 7500.
>
> David Rieben
>
>
> ----- Original Message ----- From: "John Contovasilis" <
> jlcontovasilis@xxxxxxxxx>
> To: <tesla@xxxxxxxxxx>
> Sent: Sunday, March 13, 2011 11:33 PM
> Subject: [TCML] RMS voltage
>
>
>
> Could anyone tell me how to calculate the RMS voltage of a neon sign
>> transformer with an input of 120 volts, 60 Hz and an output of 30 mAh and
>> 7500 volts?
>>
>> John
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