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RE: Is this an optimal PS for my first build?

Thanks, Letrik.
A quasi choke loaded power supply generates huge high voltage spikes on the first cap.
I have seen 1000 V peak-to-peak spikes in the first (small) cap of a 400V power supply.

To be on the safe side, C1 should be a 1000V or 1200V AC-rated oil cap.
I suggest that you ask your friend to use PSUD and click on the Voltage at C1 box.
The RMS voltage is not too bad, however the peaks on the screen graph are very spiky.
Have fun!


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  • RE: Is this an optimal PS for my first build? - casouza 15:41:33 06/20/12 (0)

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