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Old 25th June 2004, 04:09 PM   #11
markp is offline markp  United States
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The problem is the floating ground in joensd's circuit. It will be a big problem in most systems as at least something will have a true ground and cause some serious damage.
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Old 25th June 2004, 07:26 PM   #12
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Default Hello friends, let i enter this subject too

I prefer, always to dismount transformer, and re-wire it again.

Only if secondary is over primary windings.

Count the turn coils, and buy two wires half the original diameter and same length..... make the secondary turns again with hand.

I put those informations, deeply in our forum, 2 monthes ago, to a Israeli friend of us.

Another idea is to buy another one and connect the way i scratch.

And, of course, the Joensd way is the easier way, very good way, but i do not know the power results, this way, i asked him, direct mailing him, same explanations about this subject.

regards,

Carlos
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Old 25th June 2004, 09:14 PM   #13
joensd is offline joensd  Germany
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Quote:
And, of course, the Joensd way is the easier way, very good way, but i do not know the power results, this way, i asked him, direct mailing him, same explanations about this subject.
If I understand you correctly then well, the current is obviously halved as the one secondary winding is supplying 2 rails.
Of course this is a one-way-rectifier so rectified voltage will be a bit lower than with two-way rectified.
Again, I donŽt think that this is recommended to use with high power applications.

YouŽll find this circuit usually in general electronics books where it is referred to as voltage doubler.
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