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New guy with pwm questions
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kerry k Offline
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Post: #1
New guy with pwm questions
Hi, guys. I am new to the HHO thing. I just completed my first cell which is a tube in tube design ala Stan Meyers. It seems to make good amounts of gas compared to the plate systems I have seen and is only drawing 17 amps on tap water. My question is are the pwm units that are on ebay any good? What kind amp. reduction can I expect to see if I use one?
(This post was last modified: 07-20-2008 04:43 PM by kerry k.)
07-20-2008 12:44 PM
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Opcom Offline
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RE: New guy with pwm questions
A reasonably designed utility PWM supply (variable duty cycle DC chopper, with or without output filter) can go from almost zero (1-2%) to full on (98-100%). No idea about what's being sold on eBay. I only know PWM. It's not that important to go all the way to zero or all the way to 100%, just to cover the greatest part of the range.

One at random says "Output Power is Adjustable from 0% to 100%, or anything in between." Of course there are points near 0 and near 100 where it will snap-to zero or 100 but you won't notice them. Looks OK to me.
(This post was last modified: 07-21-2008 04:33 PM by Opcom.)
07-21-2008 04:29 PM
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kerry k Offline
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RE: New guy with pwm questions
Thanks, I think I am going to buy one on payday and give it a try.
07-21-2008 05:12 PM
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