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Overunity Machines Forum



Kapanadze Cousin - DALLY FREE ENERGY

Started by 27Bubba, September 18, 2012, 02:17:22 PM

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Tomtech29

#8655
May 16, 2015, 03:20:16 PM
 >:(PWM went up in smoke) and end fun>
I do not have adjust it by the controller 8DIP but do not know how there are no numbers?

gyulasun

#8656
May 16, 2015, 03:31:36 PM
Hi Tomtech,

Would you tell the approximate output AC frequency of your inverter you mentioned at the end of your post #8650 in the previous page?  And the same question for your MB256 diode bridge shown in your photo, you refer to an old converter: did the diode bridge work in it or not? So what are the output frequencies for your inverter and converter?

The MB256 diode bridge is also designed for the 50 or 60 Hz mains frequency, so they are good for up to some hundred Hz frequency, ok?


you wrote:   ">(PWM went up in smoke) and end fun>
I do not have adjust it by the controller 8DIP but do not know how there are no numbers?"

There are manufacturers who deliberately scrap the marking on the top of the ICs so that nobody should copy and rebuild/remarket their product, this is the main reason, also they do not issue schematics on their PCB board.

Gyula

Tomtech29

#8657
May 16, 2015, 03:42:55 PM
gyulasun...
thanks for the info
I not checked the AC frequency at the output transformer at the entrance gates only have 32kHz.
(PWM has no reguacji but it's possible that you've previously screwed up before today's test.
These fast diodes are 6A is and look for and supply of such proof, thanks for professional advice.

gyulasun

#8658
May 16, 2015, 03:50:05 PM
Well, anything higher than a few kHz AC current to be rectified will heat up the power diodes designed for the 50 or 60 Hz mains frequency, no matter the diodes current and voltage specifications are otherwise correct for the output AC current and voltage.

Tomtech29

#8659
May 16, 2015, 04:10:50 PM
I wanted to use PWM current control for smooth to get a lower voltage will be needed as the idea seemed good.. :-[
This PWM single single pile recently presented here: it was really cool but the price into space .
with subsequent attempts laid for a spare fuses nerves
I did not expect that these diodes so quickly boil
And to make it even funnier !
I plugged without protection and  current at power supply 20Amp. Uuuu.

At least I'm not bored something happens.
nice spent time rather wish.
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