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microwave oven inverter P.S. revisited

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September 15th 08, 08:07 PM posted to rec.radio.amateur.homebrew

steve H

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microwave oven inverter P.S. revisited

wrote:
On Sep 15, 12:57 pm, Highland Ham wrote:
wrote:

snip This thing seems to be regulated primarily by the input CURRENT which
would be the same as power and David Smith said in his discription. I
think the answer to using it as a power supply is to turn it into a
VOLTAGE regulated power supply by taking a voltage sample off of the
HV transformer, possible by adding a couple of turns coil to the
transformer, and replacing the input from the current transformer with
this one. Naturally the inpit to IINDO may have to be suitably
modified also.
==========================================
You might consider taking a voltage sample by 'tapping' a low DC voltage
fraction from the HV output ,putting that into an opamp with adjustable
output.

You can see how this is done in an article in QEX-July.August 1999
,pages 50-55. 'A regulated 2400 V power supply ' by VE6AXW

Frank GM0CSZ / KN6WH

Thanks Frank, but I dont have QEX or access

Jimmie
http://www.realhamradio.com/hvreg.pdf

for a schematic.

hth

Steve H

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