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MOT HHO Power Supply

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Uploaded by on Feb 10, 2010

http://www.hydrofuelsys.com Here is my custom power supply based on a modified MOT (Microwave Oven Transformer) for use with testing HHO Cells.

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Uploader Comments (water2gashawaii)

  • Are these capacitors smoothing the output from the mot. Just asking

  • @legogunguy001 no, they are pretty much worthless. HHO cells don't need solid level dc anyway.

  • using just 20 windings you get huge current. how many amps is your bridge rectifier rated for? i have a rewound mot that puts out a calculated 23v @45 amps. 12v must have 83A if im doing this correctly...

  • @123324ben you get a rectifier that can handle the load. I currently have 2 30 amp rectifiers in parallel

  • @water2gashawaii So the parallel rectifiers work well, I am making a power supply but have blown up a few rectifiers, I am thinking about 3, 50 amp rectifiers in parallel attached to the same heat sink.

    I have heard horror stories about rectifiers in parallel, supposedly since the V drop is not equal, one will blow up after the other, However I have seen some supplies such as yours that use the rectifiers in parallel.

  • @legogunguy001 yes they do ok as long as you don't push them. I rarely go over 30 amps, and these are 30 amps each. I did burn two of them up when i hooked up a cell that drew too many amps. I didn't get a chance to measure the amps, but they started smoking big time and making that 60 hz hum before I could shut it down. Not fun.

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  • @water2gashawaii Do you think you can post up or send me a circuit schematic?

    best regards,

  • OK thanks I plan on running at around 50 - 60 amps, I have a huge heatsink though so hopefully that will help.

    Thanks for the reply

  • @ssleslito production of hho... did you take any chem coarses at all? the power supply sepperates hho(h2o(water)) into h and o (hydrogen and oxygen). honestly i know how you feel, but this is kinda self explanatory...

  • @water2gashawaii OK because my capacitor that I got from a microwave was only a couple of micro farads. Also what gauge and how many turns of wire are you using on the secondary of that MOT.

    Thanks for all of your help

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