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Thread: Solid State Bedini SG on 3 Battery Power Supply

  1. #11
    Senior Member John_Koorn's Avatar
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    Quote Originally Posted by Dwane Dibley View Post
    Hello John,
    I have knocked up a small test using an IRFP460 driven by one side of a TC4427, using a single coil wound with bifilar windings, the trigger coil is tied to the primary coil and the output is 6 wound hexfilar(?) . This is pulsing around1khz. Here is a picture of the scope output, its a bit unstable, but, you should see the pulse and"h" result . It is using approximately 200ma of pulse magnitude on a current meter. Is this what you are getting? I am using Peter's circuit framework as you are.

    Regards

    dwane
    Hi Dwane, hard to say with that scope shot and without seeing your setup. What are the scope settings?

    John K.

  2. #12
    Senior Member John_Koorn's Avatar
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    Quote Originally Posted by BobZilla View Post
    Hi John,
    Thanks for posting your work, nice job.

    Side question about that Gel cell. Have you had any luck rejuvenating gel cells? I recently got a pair out of an electric wheel chair but I have not started working on them yet. They were siting for a few years and the on board charger refused to even try a charge.

    If you have any tips for dealing specifically with gel cells I would appreciate it.
    Hi Bob, I've never had any success with rejuvenating gel cells. I've tried a lot of different methods and a lot of different setups.

    Unfortunately once they have dried out they're ready for recycling.

    John K.

  3. #13
    Senior Member John_Koorn's Avatar
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    Quote Originally Posted by James_Somewhere_In_Idaho View Post
    Hi John K

    I'm glad you are experimenting with Netyish's 81-filer. I couldn't afford the shipping when he offered it to me. It's a pretty cool set-up. Hope you find some interesting things with it. His original architecture was beautiful...no? He said it was the best set-up for charging batteries he had built. ~Cheers~
    Hi James, yes it is a great coil. Nityesh's original architecture was great and it performed really well. However, I am finding that with matched MJL21194 transistors and circuit boards it is performing even better.

    John K.

  4. #14
    Quote Originally Posted by John_Koorn View Post
    Hi Dwane, hard to say with that scope shot and without seeing your setup. What are the scope settings?

    John K.
    Hello John,
    Thanks for the reply. Are you building a charger or building an energiser with your Solid State circuit?

    Regards

    Dwane

  5. #15
    Senior Member John_Koorn's Avatar
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    Quote Originally Posted by Dwane Dibley View Post
    Hello John,
    Thanks for the reply. Are you building a charger or building an energiser with your Solid State circuit?

    Regards

    Dwane
    Hi Dwane, I guess you could call it a rejuvenating charger.

    John K.

  6. #16
    Hi Bob, I've never had any success with rejuvenating gel cells. I've tried a lot of different methods and a lot of different setups.

    Unfortunately once they have dried out they're ready for recycling.

    John K.

    That's what I have always thought too but I thought I would ask. I still might try adding a little water and see what happens but I don't expect much. I didn't trash pick these, I had mail ordered the replacements for a family member so their was no core return, stuck with them.

    John you may get a kick out of a video I posted over in the beginners section. It is a small SS that is similar in function to what your showing, at least the induction bit.

    Thanks for the response.

  7. #17
    Quote Originally Posted by BobZilla View Post
    John you may get a kick out of a video I posted over in the beginners section. It is a small SS that is similar in function to what your showing, at least the induction bit.

    Thanks for the response.
    Hello Bob,
    A link would be useful.

    Also, if you are "spike" pulsing a gel cell battery with a SG type circuit you will crystalise the gel - battery becomes irrevocably stuffed!

    regards

    Dwane
    Last edited by Dwane Dibley; 10-11-2016 at 06:57 PM.

  8. #18
    Senior Member John_Koorn's Avatar
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    Bedini Solid State SG

    Hi All, here is an updated video on my research with this project. Not too much to update, I've been mainly focussing on rejuvenating the batteries in the video (and moving my lab to a new space).



    Next step is to build a Tesla Switch so the batteries can be rotated.

    John K.

  9. #19
    Hi John,
    So I have a question about what you are doing here. I see that the charge side is the two parallel but then you mentioned adding a switch to flip everything around. I'm curious how this system is going to be used as far as the output. Is it meant for you to swap out the parallel side with batteries that need charging and let it run until all of them are charged and then swap out some more? Or is there going to be some other output of the machine to do some other work and these batteries just flip flop and maintain their charge?

    Thanks for sharing your work ---Bob

  10. #20
    Senior Member John_Koorn's Avatar
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    Hi Bob, first thing is to see if after adding the Tesla Switch that the system can at least keep its own batteries charged.

    If that works then I'm looking for it to recharge its own batteries, after taking some energy out of the system.

    Ultimately the the system will keep its own batteries charged whilst charging another battery, external to the system.

    Will keep you you posted on progress, but it will take some time. I will open source the circuits once I have proved that they work. Although this is an upscaled unit I'm also working on building smaller, more portable units with different battery types. For example, wouldn't it be great to be able to carry around a unit that could just recharge your phone for free? That's a long way off though.

    Thanks for your interest.

    John K.

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