Re: Big Ferrite Transformer (fwd)

[Steven Roys <sroys@xxxxxxxx>]

---------- Forwarded message ----------
Date: Wed, 07 Apr 2004 16:54:33 +0930
From: Matthew Smith <matt@xxxxxxxxxx>
To: High Voltage list <hvlist@xxxxxxxxxx>
Subject: Re: Big Ferrite Transformer (fwd)


> From: John Keith <jskeith@xxxxxxxxxxxxxxx>
> Size-wise I'd say kilowatts, but I would advocate testing at different
> voltages and frequencies for best operation. I use a hefty audio amp driven
> by a signal generator for such testing, but you could also use a
> TL494-driven bridge powered from a rectified and filtered variac.

Hmm.  Think I'll go with the Variac idea - just need to knock together a BIG
bridge.  How does "if it's too hot to touch, you're overloading it" sound as a
way of guestimating the power handling of a core?

Cheers

M

-- 
Matthew Smith
Kadina Business Consultancy
South Australia
http://www.kbc.net.au