Re: Super plate transformer on E-bay

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

Original poster: Jim Lux <jimlux-at-earthlink-dot-net> 

At 08:07 AM 11/4/2003 -0700, you wrote:
>Original poster: "Sean Taylor" <sean.s.taylor-at-comcast-dot-net>
>If one were to physically have this transformer in hand, how would it's
>suitability for 60 Hz be tested?  Monitor the primary current while voltage
>is brought up on the primary slowly looking for saturation?

Precisely... You can measure it like any other transformer.  The other 
thing would be to hook an audio oscillator up to it and measure the 
characteristics.  In general, high frequency transformers have lower losses 
(thinner laminations, etc)



>  Any other
>better methods that could give a bit more quantifiable answer?  I'm thinking
>about buying it, and if it doesn't work well for LV 60 HZ, make an IGBT
>driver (I have tons of IGBT bricks, and I've been waiting to play with them
>. . .)
>
>Sean
>
>
>----- Original Message -----
>From: "Tesla list" <tesla-at-pupman-dot-com>
>To: <tesla-at-pupman-dot-com>
>Sent: Monday, November 03, 2003 6:47 PM
>Subject: RE: Super plate transformer on E-bay
>
>
> > Original poster: "Godfrey Loudner" <ggreen-at-gwtc-dot-net>
> >
> > The specs say 2-3K cycles. There's no way I could drive it.
> > Smart looking transformer---to bad.
> > http://cgi.ebay-dot-com/ws/eBayISAPI.dll?ViewItem&item=2568697058
> >
> > Godfrey Loudner
> >
> > Hi,
> >
> > Item #2568697058.  214v in, 8900v out at 1/4 amp.  At 110 might make a
>super
> > plate transformer for an 833a.  In CA, and weighs 130 pounds.  22 hours
> > left, no bids, bids start at 49 bucks.
> >
> > John Richardson
> >
> >
> >