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Overunity Machines Forum



Electromechanical Inverter

Started by z.monkey, February 05, 2009, 05:55:55 AM

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BEP

#10
February 05, 2009, 06:14:42 AM
Hmmm...

A filament transformer, no center tap.
A 2PDT 12VDC relay.

???

I always enjoy your project postings but I don't see how this will work, yet  :)

z.monkey

#11
February 05, 2009, 06:25:29 AM
Look at the configuration of the relay.  It's a Inverter...

Here's a better picture...
Goodwill to All, for All is One!

BEP

#12
February 05, 2009, 06:49:38 AM
Quote from: z.monkey on February 05, 2009, 06:25:29 AM
Look at the configuration of the relay.  It is an inverter...

Here's a better picture...

AHA! A signal generator! First time I've seen a separate signal generator used in a power inverter. It might take a brute of a signal generator to drive that relay.

Take care.... If the relay isn't always changing states it will fry and probably burn the transformer too  :o

z.monkey

#13
February 05, 2009, 06:58:51 AM
Howdy,

The signal generator is separate because I want to use my PIC 18F252 'sperimenter board for testing.  It has a preamplified IRFZ44 to drive the relay (no worries).  Later when I get the buggers worked out I'll replace it with a set frequency signal source, but I want to play with it a whole lot first.

Notice there is a separate switch for the power going to the relay switches.  This is because it takes to PIC a couple seconds to boot.  So first turn on the signal source and then turn on the inverter power.  Using the PIC as a timer allows me to programmatically alter to frequency of the relay, and I have a range of ~30 Hertz to ~500 Hertz to play with (frequencies that the iron transformer will respond to).  So I could program a sequence of frequencies, say simple music, and have my inverter entertain me...

OK, Mo Later...
Goodwill to All, for All is One!
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