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Re: VA and stored energy in capacitors
Original poster: "Dave Larkin by way of Terry Fritz <twftesla-at-qwest-dot-net>" <teslaman15-at-hotmail-dot-com>
>Since relationship between apparent power (VA), frequency (F) and stored
>(E) in a capacitor in an AC circuit is VA=4pFE, where it is assumed that F
>the line frequency (50 to 60 Hz) during the period when the capacitor is
>charged by the transformer prior to the firing of the spark-gap, doesn't
>same equation apply when the gap fires when F becomes the resonant
>the Tesla coil primary?
Yes. However, remember that as the spark gap fires and F increases, A also
increases to match it, so the energy in the capacitor remains constant.
>Does this not go some way into accounting for high peak powers observed in
I can't see how. Personally I attribute the high peak powers to a large
current at a high voltage, although rumour has it aliens, the ghost of
Nikola Tesla and/or Tim Bearden may be involved...