Re: [TCML] PFC Question (again)

["David Rieben" <drieben@xxxxxxxxxxx>]

Hi John,

Yes, I would agree that one would almost have to run LTR to run
EFFICIENTLY at ONLY 120 BPS and we do know that Kevin
is runing his rotary at just 120 BPS. However, just from the sheer
power levels that Kevin runs (up to 55 kVA & 21.6 kV according 
to the Youtube vids - that's over 2.5 amps!!), the transformer's 
natural (Z) impedance would dictate closer to .7 uFd, at 60 hz mains, 
as Bart stated, for it to be LTR. Of course with 400 amp service and 
running  >50 kVA, who needs to worry about running efficiently ;^)

David Rieben


> David,
>
> I didn't do the calcs lately but I think it's close to  resonant,
> maybe slightly LTR.  He's running at 120 bps.  At 120  bps,
> you pretty much have to use resonant or LTR to get good 
> power throughput.  
>
> John

----- Original Message ----- 
From: <FutureT@xxxxxxx>
To: <tesla@xxxxxxxxxx>
Sent: Tuesday, May 27, 2008 4:22 PM
Subject: Re: [TCML] PFC Question (again)


> In a message dated 5/26/2008 10:34:03 P.M. US Eastern Standard Time,  
> drieben@xxxxxxxxxxx writes:
>
> > Hi Bart, John,
>
> > IIRC, Kevin Eldredge uses (2) seriesed  .376 uFd, 40 kV
> > maxwell pulse caps (.188 uFd @ 80 kV) for his biggg  coil.
> > That should still be well within the boundaries of  STR.
>
> --
> > David Rieben

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