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Thread: Pulsing a coil with a cap pulser

  1. #1
    Senior Member John_Koorn's Avatar
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    Pulsing a coil with a cap pulser

    Greetings fellow experimenters!

    Sorry I have posted here for a long time.

    I was working on an experiment over the weekend where I was taking the output of a Bedini Large Comparator to pulse a very large coil. Then I sent the output of the coil to a battery.

    So far the results look impressive.

    Has anyone else tried this experiment?

    Cheers,

    John K.

  2. #2
    Senior Member Faraday88's Avatar
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    Quote Originally Posted by John_Koorn View Post
    Greetings fellow experimenters!

    Sorry I have posted here for a long time.

    I was working on an experiment over the weekend where I was taking the output of a Bedini Large Comparator to pulse a very large coil. Then I sent the output of the coil to a battery.

    So far the results look impressive.

    Has anyone else tried this experiment?

    Cheers,

    John K.
    Hi JK,
    Very long time indeed!! nice to see you back!! This experiment can it not be done with out the Large Comparator... I mean a set up which has a standard Vanilla SSG and just that a Capacitor in place of the primary battery!!
    just my opinion that the Generator mode and standard mode flipp their positions in this case.
    the nature of the spike at the output is also inverted to the case where we have a primary as the battery. In this set up i would place a Capacitor at the out put connected to the now generator mode and not a battery.
    Rgds,
    Faraday88.
    'Teaching can endure a quest for knowledge..but Learning solves an anomaly'

  3. #3
    Senior Member John_Koorn's Avatar
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    Quote Originally Posted by Faraday88 View Post
    Hi JK,
    Very long time indeed!! nice to see you back!! This experiment can it not be done with out the Large Comparator... I mean a set up which has a standard Vanilla SSG and just that a Capacitor in place of the primary battery!!
    just my opinion that the Generator mode and standard mode flipp their positions in this case.
    the nature of the spike at the output is also inverted to the case where we have a primary as the battery. In this set up i would place a Capacitor at the out put connected to the now generator mode and not a battery.
    Rgds,
    Faraday88.
    You could use a smaller cap pulser, but I'm using the Large Comparator because the coil is my 81 strand #23 @ 3 ohms per strand. (It's a BIG coil).

    I'm not using an SSG circuit. it's set up like a 3 battery switch and the coil is the load. Will post a schematic when I get some time.

    Anyway, anyone tried this experiment?

    John K.

  4. #4
    Senior Member Faraday88's Avatar
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    Quote Originally Posted by John_Koorn View Post
    You could use a smaller cap pulser, but I'm using the Large Comparator because the coil is my 81 strand #23 @ 3 ohms per strand. (It's a BIG coil).

    I'm not using an SSG circuit. it's set up like a 3 battery switch and the coil is the load. Will post a schematic when I get some time.

    Anyway, anyone tried this experiment?

    John K.
    Thanks JK! Yes i realize that the SSG circuit is kind of akward to this topology especially when using Transistor to switch Capacitor dump (how knows a SSG circuit using a Power device dual to the IGBT say like base and source and drain)
    when you said its a Big coil i'm sure it meant low impedance, High- Inducatnce...and all these are Paralleled (81 strands) @ 3ohms per strands must not be very high turns ration.for that gauge.
    any way more as i learn more..
    Best Regards,
    Faraday88.
    'Teaching can endure a quest for knowledge..but Learning solves an anomaly'

  5. #5
    Senior Member John_Koorn's Avatar
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    Quote Originally Posted by Faraday88 View Post
    Thanks JK! Yes i realize that the SSG circuit is kind of akward to this topology especially when using Transistor to switch Capacitor dump (how knows a SSG circuit using a Power device dual to the IGBT say like base and source and drain)
    when you said its a Big coil i'm sure it meant low impedance, High- Inducatnce...and all these are Paralleled (81 strands) @ 3ohms per strands must not be very high turns ration.for that gauge.
    any way more as i learn more..
    Best Regards,
    Faraday88.
    Best way to learn is to do the experiment

  6. #6
    Senior Member John_Koorn's Avatar
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  7. #7
    Hi John,

    Not having an 81 strand coil could you let us know what results you have been getting?

    Thanks,
    John.
    Cant spend it when your dead.

  8. #8
    Senior Member Faraday88's Avatar
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    Quote Originally Posted by John_Koorn View Post


    Hi JK,
    The Load coil seems to have primary and secondary sets of coils depcted in the second schematic next to it, represented by a SSG type (not actually one) and then an Inverter in parallel to the out put battery.
    The second schematic is the same as Peter L. presented in the 'beyond the advance' presentation.
    .......time to try out what it does??? double stage amplifier??
    Rgds,
    Faraday88.
    'Teaching can endure a quest for knowledge..but Learning solves an anomaly'

  9. #9
    Senior Member Faraday88's Avatar
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    Quote Originally Posted by Deuis View Post
    Hi John,

    Not having an 81 strand coil could you let us know what results you have been getting?

    Thanks,
    John.
    @all odd number of coil
    Rgds,
    Faraday88.
    'Teaching can endure a quest for knowledge..but Learning solves an anomaly'

  10. #10
    Senior Member Faraday88's Avatar
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    Quote Originally Posted by John_Koorn View Post
    Best way to learn is to do the experiment
    You said it JK...Indeed!!
    Rgds,
    Faraday88.
    'Teaching can endure a quest for knowledge..but Learning solves an anomaly'

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