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why do power supplies like computer power supplies have high voltage caps?

April 26, 2017caps Computer high physics forums physics help power science forums voltage

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why do power supplies like computer power supplies have high voltage caps?

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Today’s computers use switching power supplies which take a house hold voltage and convert it to high frequency voltage which is then down converted to a lower voltage. But during this process, high voltage may be induced in the high frequency transformer, hence you need high voltage caps.