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Static electricity equivalent generator

Discussion in 'Electronic Basics' started by Paul, Dec 5, 2004.

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  1. Paul

    Paul Guest

    Is it possible to build a circuit for generating high voltage at very low
    current equivalent to that of a simple electrostatic discharge? I want to
    be able to feed the thing with a 9V battery at most as this would be
    intended to be a harmless desktop prop. I'm not an electrical engineer just
    a hobbyist. My incentive for building this is inconsistency of operation
    with a Van De Graf generator with factors like humidity etc. I've built HV
    circuits before involving ignition coils but those things can get dangerous
    and my circuits didn't last long. Transistors failed or got very hot. The
    output current could be tuned so high that it effortlessly cut through wire
    insulation where the sparks jumped.

    I looked into the super-cascade circuits for this project but i'd think the
    initial input voltage would have to be pretty high as well right? Also
    insulation would probably be an issue since 100 kV can jump a centimeter gap
    effortlessly. TV super-cascades (those rectangular blocks) would probably
    be good for this kind of thing because of insulation but again the input
    voltage issue.

    Anyone got solid-state HV circuit plans that are not as dangerous as an
    ignition could would be? I was thinking of using an oscillator to
    perpetuate induction coil generating kickback voltage that would drive the
    super-cascade would that work?
  2. Guest


    We need to know what you're trying to drive. Electrostatic effects
    begin at 1KV. Needing 1KV at 1uA is very different than needing
    500KV at 100uA!!! A solid state VandeGraaff machine is a huge

    Maybe you can use one of these 10KV supplies:

    (((((((((((((((((( ( ( ( ( (O) ) ) ) ) )))))))))))))))))))
    William J. Beaty SCIENCE HOBBYIST website
    EE/programmer/sci-exhibits amateur science, hobby projects, sci fair
    Seattle, WA 206-789-0775 unusual phenomena, tesla coils, weird sci
  3. Kim

    Kim Guest

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