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Universal Resonant Transformer Driver (High-Voltage Flyback Driver)

Posted on February 10, 2012 by David Prutchi Posted in Chapter 3 - Atoms and Radioactvity, High-Voltage Power Supply 8 Comments

Universal resonant transformer driver by David and Shanni Prutchi www.diyPhysics.com

We use the flyback-driver circuit shown in our d.i.y. 250 kV DC power supply in many other of our setups, so we built a stand-alone universal resonant transformer driver.  The circuit inside the enclosure comprises a low-voltage, raw-output DC power supply driven from a variac, and the resonant driver circuit shown in the following schematic diagram (click to enlarge):

High voltage AC driver for 250 kV DC power supply by David Prutchi, Ph.D.

The low-voltage transformer has a 115 VAC primary and 14 VAC @ 6 A secondary.  A 50,000 uF capacitor is used to smooth the output of a CM2502 full-wave-rectifier bridge.  A Lascar digital voltmeter measures the voltage of the low-voltage DC power supply.

Universal resonant transformer driver by David and Shanni Prutchi www.diyPhysics.com

Universal resonant transformer driver by David and Shanni Prutchi www.diyPhysics.com

This instrument drives a resonant transformer in push-pull mode.  A feedback coil must be included to make the system oscillate at the transformer’s resonant frequency.

 High voltage flyback transformer by David and Shanni Prutchi www.diyphysics.com

 

 
 

Please visit www.prutchi.com and www.diyPhysics.com for other cutting-edge d.i.y. projects, and remember to check out our new d.i.y. Quantum Physics book:

« d.i.y. 250 kV High Voltage DC Power Supply with Neat Trick for Switching Polarity
Adding Your Own Primary to High-Voltage Flyback Transformer for Resonant Driving »

8 thoughts on “Universal Resonant Transformer Driver (High-Voltage Flyback Driver)”

  1. Rachael Sabaana says:
    February 24, 2013 at 3:35 pm

    I would like to buy this kit. How can I do it?

    • David Prutchi says:
      February 24, 2013 at 9:51 pm

      Hi Rachael,
      This device, like most of what you see in our website is not offered for sale. We built this ourselves and are providing full instructions so that you can build your own from components that you would buy at the various electronic parts distributors.
      Cheers,
      David

  2. Ann says:
    March 19, 2013 at 1:58 pm

    Whats the Part No. of your low voltage transformer(115VAC to [email protected] 6A)?

    • David Prutchi says:
      March 19, 2013 at 2:14 pm

      Mouser Part #: 553-F253U
      Manufacturer Part #: F253U
      Manufacturer: Triad Magnetics
      Description: Power Transformer 115VAC 14.0CT 6.0A PRI 115VAC

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