Hacked Gadgets Forum

February 10, 2012

250 kV Home Made High Voltage DC Power Supply

at 5:09 am. Filed under DIY Hacks, Electronic Hacks, Insane Equipment, What Were They Thinking


If you have a project that needs a bit more than 3.3, 5 or 12 volts have a look at this Home Made 250 kV High Voltage DC Power Supply! Of course this isn’t your typical supply for the Arduino project sitting on the corner of your bench. ūüôā One thing to note is that this supply can pack a deadly punch so be very careful if you intend to do some tinkering on your own.

“The Cockroft-Walton multiplier uses a cascaded series of diodes and capacitors to generate a high voltage¬†DC potential from an¬†AC input through a¬†circuit topology that¬†uses diodes to charge capacitors in parallel and discharge them in series.¬† The output polarity of the Cockroft-Walton multiplier depends on the way in which its diodes are oriented, so the output polarity¬†(referenced to ground)¬†of a high-voltage DC power supply is usually set during the design.”



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7 Responses to “250 kV Home Made High Voltage DC Power Supply”

  1. Stan Says:

    X-Ray machine anyone?

  2. nick Says:

    That would be nice for setting up a railgun. Must be what the US Navy is using on their new toy..

  3. Stan Says:

    @Nick: Railguns rely on high current (thousands of amps or more) and moderate voltages (~2000 – 4000V). This thing can’t produce the current necessary for a rail gun. But as I said before, this would make an great x-ray power supply or a supply for a home made electron microscope. Or to do heinous things to your cat…

  4. Febrauary 12, 2012 – Links | MarcJStuff Says:

    […] 250 kV Home Made High Voltage DC Power Supply […]

  5. Thomas W. Says:

    “… John Douglas Cockcroft and Ernest Thomas Sinton Walton, who in 1932 used this circuit design to power their particle accelerator, performing the first artificial nuclear disintegration in history. …” http://en.wikipedia.org/wiki/Cockcroft%E2%80%93Walton_generator

  6. David Says:

    It is one thing to create HV DC but I have sound very difficult to switch reliably
    Has any one got a suggestion for switching 2000v DC from a capacitor on and off in micro seconds with out needing to drop the voltage to zero?
    Tried vacuum reeds but forward / reverse rush kills them very quickly.

  7. Brian C Says:

    Make a great power supply for a fusor.

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