Author Topic: PWM schematic  (Read 12266 times)

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PWM schematic
« on: December 09, 2009, 09:36:00 am »
Hello , im new to the forum . Ive been fiddling about with hho for well over a year now and still not managed to produce much gas . Ive made a lawton pwm and messed about with transformers and vic's . Ive moded a quare wave as per kevin west but neither seems to quite cut it . Has anyone got a schematic of a pwm without the duty cycle problems of the lawton circuit ? Ive rewired an alternator the same as kevin too and it puts out 500v when my cell isnt connected but that goes down to about 50 with the cell on .
Cheers
John

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Re: PWM schematic
« Reply #1 on: December 09, 2009, 09:49:40 am »
Welcome John to ionizationx :)
 
I think we can help you with your research.
There is one PWM that will do the right job.
Its designed by Electrojolt, which is a member here.
http://www.ionizationx.com/index.php/topic,1054.0.html
Go read his topic and you will get what you want!
 
Steve

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Re: PWM schematic
« Reply #2 on: December 09, 2009, 11:07:01 am »
thanks steve , good stuff .......That looks like quite a project for an electronics dummy like me :)

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Re: PWM schematic
« Reply #3 on: December 09, 2009, 14:27:49 pm »
Welcome John,

I am playing with an alternator setup as well, and I have done a lot of research into Stan's Rotary Voltage Intensifier Circuit, and will be building it over the Christmas break.

If you have the ability to rewind an alternator I would like to encourage you to read this topic, The RVIC is wound in a special way, which is figured out and described here:

http://www.ionizationx.com/index.php/topic,1201.0.html

There should be a handful of other members going to try this alternator, I have even emailed Kevin West about it and he may try it too.

Welcome!

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Re: PWM schematic
« Reply #4 on: December 09, 2009, 17:14:02 pm »
Thanks donald , i read that thread , very interesting . Mine is done very similar to the first drawing but it would be quite easy to modify it to the second one . Mine is a delco remy and have 47 winds per loop , 13 loops per phase going into a full bridge .
Do you know how big and how many winds per choke ? And would they be triflar ?
I havent had the same results as kevin which is frustrating , the only difference on mine is the resistor size (i have some on order ) and im using de ionised water instead of distilled (also on order ) . Distilled water used to be everywhere but its really hard to find in the uk now for some reason , its all just deionised .
I should have them by the weekend and really cant wait to try them ...... fingers crossed :)

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Re: PWM schematic
« Reply #5 on: December 09, 2009, 22:38:41 pm »
I just tried the other configeration but produced no more gas than straight into a bridge  . Im not saying i did it correct but spent all day making some small triflar inductors to put in the alternator with 1n5408 diodes ....
(http://www.flickr.com/photos/45482143@N08/4172835144/)
(http://www.flickr.com/photos/45482143@N08/4172832598/)
It aint pretty but neither am i lol ...
(http://www.flickr.com/photos/45482143@N08/4172077279/)
nothing exciting on the scope ....
(http://www.flickr.com/photos/45482143@N08/4172833904/)
oh well ....

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Re: PWM schematic
« Reply #7 on: December 09, 2009, 22:57:03 pm »
Nice to see you working on it!

However, we must have a misunderstanding!

To wind this circuit:
(http://img.photobucket.com/albums/v81/bigbuba/Picture7-1.png)

you need to completely rewind the stator, the chokes are part of each phase winding on the stator, so instead of have 3 wires on the stator, you have 9

so instead of winding 1 wire per phase, you wind 3 wires per phase, and connect them in series, so it's like the wire goes around the stator 3 times

here is a picture of Stan's RVIC, i'm not sure if you read the whole topic, but there are new discoveries and information towards the end

(http://img.photobucket.com/albums/v81/bigbuba/RotaryVIC.jpg)

he says the end choke coils are bifilar, so, you would wind 2 wires bifilar, and one wire alone, put these together, then put them in the stator as a single phase, do this 3 times, keeping track of all your wire ends, and your wire ends go in like this:

(http://img.photobucket.com/albums/v81/bigbuba/Picture14.png)

and you have your blocking diodes in between the secondary and the top choke, and then your isolation diodes at the other end of that choke before the positive terminal

i'm not sure if you were using a 3 phase bridge, but you can't use a simple 3 phase bridge for this, because you're not using negative diodes at all, and you're blocking diodes are separate from the isolation diodes