# Re: HOW MUCH POWER NEEDED FOR A TC?

```

tesla-at-pupman-dot-com on 22.01.99 13:00:18

To:   tesla-at-pupman-dot-com
cc:    (bcc: Marco Denicolai/MARTIS)
Subject:  Re: HOW MUCH POWER NEEDED FOR A TC?

>Original Poster: "Barton B. Anderson" <mopar-at-uswest-dot-net>

>> P.S. Here the question is not "How much power do I need at 800 BPS with
a
>> 0.1 uF capacitor". The real question is "In general, how much power do I
>> need to excite a TC of this size?".

>I'm looking at 9kw every 1.25ms (see below)

>>  My tentative design featured a 10 kV transformer, rectified to a 14 kV
DC,
>> that using resonant charging ramps up to 30 kV to charge the primary
>> capacitor. At 800 BPS the energy is  E = 800 * 0.5 * 0.1E-6 * 30000 *
30000
>> = 36 kW.
>> Limiting power to 20 kW I could charge the capacitor (-at-800 BPS) to about
22
>> kV, more than sufficient.

>I think there is an error here. Your calculating E = bps * .5 * C *
Vp-p^2.
>E * sec = bps * .5 * C * Vp^2 = about 9kw. Is this what your instructor is
>getting at?

>Bart

Sorry, again I mistyped energy for power: I meant

Power = Energy * sec = 800 * 0.5 * 0.1E-6 * 30000 * 30000 = 36 kW

```