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Old 05-15-2008, 06:15 PM
Marie Marie is offline
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Join Date: Nov 2007
Posts: 24
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Hi,

Yes I did try using diodes but it didn't change anything. What baffles me is that with 15V I am able to maintain constant supply using the 100ohm resistance while with 75V (three power supply in series) it does not work? Shouldn't the internal resistance of battery be larger at 75V?

By the way, the capacitor value is 220uF each.
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