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Re: Power in a TC System

Hi Gavin,

	I have always used the:

P = 1/2 x C x V^2 x BPS

formula for system power.

Cheers,

	Terry

At 10:23 AM 05/15/2000 +0100, you wrote:
>Hi all,
>Up until now, I have been using the primary tank capacitor reactance to
>judge the power used by my TC system. That is, I calculated the
>capacitors reactance at the mains frequency (50Hz) and divided the
>square of the kV output of my NST by it. P=V^2 / X. Does this give a
>true indication of system power?
>
>The alternative would be to multiply the number of brakes per second in
>the SG by the energy stored in the capacitor, that is,
>
>((C V^2) / 2) * Bps
>
>Which is correct?
>
>Regards,
>
>Gavin, U.K.
>
>