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Re: How to rise the secondary? (fwd)





---------- Forwarded message ----------
Date: Sun, 05 Jul 1998 23:33:47 -0500
From: Bert Hickman <bert.hickman-at-aquila-dot-com>
To: Tesla List <tesla-at-pupman-dot-com>
Subject: Re: How to rise the secondary?

Tesla List wrote:
> 
> ----------
> From:  Antonio Carlos M. de Queiroz [SMTP:acmq-at-compuland-dot-com.br]
> Sent:  Friday, July 03, 1998 12:47 AM
> To:  Tesla List
> Subject:  Re: How to rise the secondary?
> 
> John H. Couture wrote:
> 
> >   1. Doesn't changing the coupling (K) only change the time of energy
> > transfer for a tuned TC system regardless of frequency? For example with K =
> > .20 the energy will transfer for all coils and operating frequency:
> >    Transfer time = 1/K = 1/.20 = 5 half cycles.
> 
> Correct, but with 5 half cycles the secondary voltage is zero, not maximum.
> 

However, this still corresponds to a point of maximum energy transfer to
the secondary LC system, it's just that it's now stored as 0.5LsIs^2
instead of 0.5*CsVs^2... and will be an output voltage peak 1/4 cycle
later (after the main gap has hopefully quenched).

-- Bert --