Re: High voltage side PFC caps

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "Terry Fritz" <twftesla-at-qwest-dot-net>

Hi Malcolm,

Very good point!  Since the transformer is current limited instead of a
normal highly coupled transformer (~.99), there are going to be resonances
and other funny things to worry about with and NST.  Not a simple thing at
all :-))

Cheers,

	Terry


At 09:14 AM 11/29/2001 +1300, you wrote:
>
>In fact it happens by proxy on resonant charging TC systems. But PFC 
>caps are designed to pull line current into phase with voltage for no 
>or light load conditions. So if the transformer is significantly 
>loaded with a resistive load, a PFC cap won't achieve much. If the 
>transformer is unloaded, the downside of the scheme is that it places 
>a severe voltage burden on the windings since PFC is a resonant 
>condition. 
>
>Regards,
>malcolm
>