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From: Tim Williams on 6 Jan 2006 10:30
http://webpages.charter.net/dawill/Images/Induction11.gif
http://webpages.charter.net/dawill/Images/Induction12.gif
http://webpages.charter.net/dawill/Images/Induction13.gif
http://webpages.charter.net/dawill/Images/Induction14.gif
http://webpages.charter.net/dawill/Images/Induction15.gif

I'll put 'em in a web page soon, with some pictures.

Comments?

Next steps: figure out how the circuit sees output MOSFET voltage so I can
add desat detector, and fumble with current waveforms and whatnot for
current control and limiting. Then I'll assemble the IGBTs, test them, then
finally go to the 240V line for more serious testing, put it in a box and
I've got molten steel!

Tim

--
Deep Fryer: a very philosophical monk.
Website: http://webpages.charter.net/dawill/tmoranwms


From: Ian Stirling on 8 Jan 2006 13:42
Tim Williams <tmoranwms(a)charter.net> wrote:
> http://webpages.charter.net/dawill/Images/Induction11.gif
> http://webpages.charter.net/dawill/Images/Induction12.gif
> http://webpages.charter.net/dawill/Images/Induction13.gif
> http://webpages.charter.net/dawill/Images/Induction14.gif
> http://webpages.charter.net/dawill/Images/Induction15.gif
>
> I'll put 'em in a web page soon, with some pictures.
>
> Comments?

Good luck!
>
> Next steps: figure out how the circuit sees output MOSFET voltage so I can
> add desat detector, and fumble with current waveforms and whatnot for
> current control and limiting. Then I'll assemble the IGBTs, test them, then
> finally go to the 240V line for more serious testing, put it in a box and
> I've got molten steel!

May you have more molten steel than silicon!
From: Winfield Hill on 8 Jan 2006 16:27
Tim Williams wrote...
>
>http://webpages.charter.net/dawill/Images/Induction11.gif
>http://webpages.charter.net/dawill/Images/Induction12.gif
>http://webpages.charter.net/dawill/Images/Induction13.gif
>http://webpages.charter.net/dawill/Images/Induction14.gif
>http://webpages.charter.net/dawill/Images/Induction15.gif
>
>I'll put 'em in a web page soon, with some pictures.
>
>Comments?

I gave you multiple suggestions, but I see from your
drawings you've ignored them.


--
Thanks,
- Win
From: Rich Grise, but drunk on 9 Jan 2006 17:19
On Sun, 08 Jan 2006 13:27:44 -0800, Winfield Hill wrote:

> Tim Williams wrote...
>>
>>http://webpages.charter.net/dawill/Images/Induction11.gif
>>http://webpages.charter.net/dawill/Images/Induction12.gif
>>http://webpages.charter.net/dawill/Images/Induction13.gif
>>http://webpages.charter.net/dawill/Images/Induction14.gif
>>http://webpages.charter.net/dawill/Images/Induction15.gif
>>
>>I'll put 'em in a web page soon, with some pictures.
>>
>>Comments?
>
> I gave you multiple suggestions, but I see from your
> drawings you've ignored them.

Guess you'll have to strike him down with a bolt of lightning, then,
Isaac. ;-P

Cheers!
Rich


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