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Switching power supply for Marx generator?

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LAN_403

MRMILSTAR

Fri Sept 28 2018, 07:01PM

Registered Member #62119 Joined: Sun Feb 04 2018, 04:59AM
Location: Cedar Rapids, Iowa
Posts: 136

Has anyone ever used a switching power supply for a Marx generator? I bought one of those 20-stage Chinese Marx generators. I had a collection of laptop PC switching power supply bricks so I thought I would use one of those rather than building a heavy linear transformer-based power supply. I picked one of the bricks that would supply the proper voltage and current, 18.5 volts at 3.5 amps.

Everything operated as expected for a while. After about 50 shots the power supply died. I am guessing that large voltage spikes must have been kicking back into it and killed it. I have concluded that using a switching power supply to power a Marx generator is a bad idea.

Has anyone ever used a laptop PC power supply brick or other switching power supply to power a Marx generator?

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