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Author Topic: Electromechanical Inverter  (Read 26937 times)

Offline z.monkey

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Electromechanical Inverter
« on: February 05, 2009, 11:55:55 AM »
Been cleaning out the garage...

Found this 10 Amp secondary transformer...

Might find something to do with that someday...

Offline z.monkey

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Re: Electromechanical Inverter
« Reply #1 on: February 05, 2009, 11:57:09 AM »
10 Amp relay, hmmm...

Offline z.monkey

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Re: Electromechanical Inverter
« Reply #2 on: February 05, 2009, 11:58:21 AM »
Maybe I could put the two together...

I'm gonna need a base with a bunch of random holes poked in it...

Offline z.monkey

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Re: Electromechanical Inverter
« Reply #3 on: February 05, 2009, 11:58:55 AM »
Gotta have some foots...

Offline z.monkey

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Re: Electromechanical Inverter
« Reply #4 on: February 05, 2009, 11:59:49 AM »
Brains!

Offline z.monkey

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Re: Electromechanical Inverter
« Reply #5 on: February 05, 2009, 12:01:23 PM »
Its gotta a brain that needs protecting, so I need a beefy RF power filter...

Offline z.monkey

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Re: Electromechanical Inverter
« Reply #6 on: February 05, 2009, 12:03:20 PM »
probably will need some ergonomic human controls...

Offline z.monkey

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Re: Electromechanical Inverter
« Reply #7 on: February 05, 2009, 12:06:21 PM »
The finished 50 Amp RF Filter...

Offline z.monkey

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Re: Electromechanical Inverter
« Reply #8 on: February 05, 2009, 12:07:16 PM »
Wired!

Put the spurs to 'er baby, Yee Haw!

Offline z.monkey

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Re: Electromechanical Inverter
« Reply #9 on: February 05, 2009, 12:09:41 PM »
Here's sumptin to make a little sense of all that!

Offline BEP

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Re: Electromechanical Inverter
« Reply #10 on: February 05, 2009, 12:14:42 PM »
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  :)

Offline z.monkey

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Re: Electromechanical Inverter
« Reply #11 on: February 05, 2009, 12:25:29 PM »
Look at the configuration of the relay.  It's a Inverter...

Here's a better picture...
« Last Edit: February 05, 2009, 12:45:43 PM by z.monkey »

Offline BEP

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Re: Electromechanical Inverter
« Reply #12 on: February 05, 2009, 12:49:38 PM »
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

Offline z.monkey

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Re: Electromechanical Inverter
« Reply #13 on: February 05, 2009, 12:58:51 PM »
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...

Offline Tito L. Oracion

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Re: Electromechanical Inverter
« Reply #14 on: February 07, 2009, 04:39:57 AM »
There is little similarity with this



http://www.youtube.com/watch?v=a30i9SO4tB8