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Bridge Rectifier for Cell Voltage Adjustment

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Uploaded by on Jul 13, 2008

Bridge rectifiers can be used to adjust the per cell voltage of a series cell generator. This was intended for use by people who have only fixed voltage power supplies or batteries. A sort of "poor mans" voltage adjuster. You can find bridge rectifiers that will handle large currents from several electronics surplus companies for very little cost...

If you find your generator is drawing more current than you want, you can lower the per cell voltage (and the current draw) by selecting the appropriate output on the bridge.

It's fairly cheap to put together and much simpler than building or purchasing a PWM.




Have fun, be safe...

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Science & Technology

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Uploader Comments (dlwammo)

  • nice work, I have a question, I have a 1500 watt 12 volt dc to 110 volt ac converter. I would like to convert the 110 v ac to 110 volt DC. I was told a bridge rectifier can do this. Can you help me by drawing out and guiding me thru the size I would need? thanks again...jr

  • I could do that jr, but "people do stupid" pretty well I've found out. I'm not saying you couldn't be responsible for what happens if I did show you how to do this, (in fact it's rather simple and there are a lot of clues in the video on how to do it), but there are also a lot of people out there I'd be scared $&%#less if they were to try it because I showed them how.

    So for now, I'll just politely decline if you don't mind. Sorry.

  • i think that "technic" is nothing else than wasting energy!!! you could also use a normal resistor.

    Tell me, why not adding some plates to get more effectifity???

    Are the rectifier´s getting hot? if yes, there is wasted energy!

  • "...wasting energy!!!"-and I suppose that the resistor that you propose doesn't waste energy?

    "Are the rectifiers's getting hot?"- Hmm, can't you say the same for a "normal" resistor you propose?

    "...adding some plates to get more effectifity???"- adding/removing plates to raise and/or lower the per cell voltage can be a pain. This was meant to be a rough voltage adjustment. Don't think I want to remove bolts, plates, etc... from my EBN cell so I can experiment with per cell adjustment.

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  • can you use this to drop 120v a/c using your series setup down to about 66v d/c for a 30 plate setup?

  • confusing

  • I didn´t say a resistor is better! Best to add plates.

    But you´r right, for experimental work its a good thing.

    I´v built me a cell with 115 plates in series for 250V dc from 250V ac houshold powersuply. It works with 6,8 MMW, and i can produce up to 20L hho / min. very happy in the moment. (-:

  • i'm more of a see it to know type of guy and i just bought a bridge rectifier. i'm clueless to how to connect all this together just by this presentation, i mean, the presentation is good and all. it's just that i am no expert in playing with electric stuff unless i see how its done in front of me.. sorry, if you or perhaps anyone else can tell more or show a video of how its done, please let me know. thanks

  • vert helpfull information. Thanks.

  • very nice presentation ...

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