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-   -   12KWatts PIC16F84/ADC0831 Power Inverter (http://www.diyaudio.com/forums/power-supplies/106318-12kwatts-pic16f84-adc0831-power-inverter.html)

CHACALPOWERS 3rd August 2007 03:06 PM

12KWatts PIC16F84/ADC0831 Power Inverter
 
Hi dears

Please, say me: Somebody built this "muscle" inverter?

http://technology.niagarac.on.ca/people/mcsele/i2k.htm


All comments are wellcome.

CHACALPOWERS 3rd August 2007 03:08 PM

2KVA inverter
 
Excuse me. Its only 2000 watts.

Eva 5th August 2007 12:15 PM

From my point of view, it's not worth the effort. It's really heavy and bulky and it only produces a square wave output, not a sine wave.

star882 5th August 2007 02:16 PM

Quote:

Originally posted by Eva
From my point of view, it's not worth the effort. It's really heavy and bulky and it only produces a square wave output, not a sine wave.
It PWMs a sine wave. It appears similar to what is used in some APC UPSes.

dangus 11th August 2007 06:43 AM

Trolling surplus dealers and auctions might turn up a good deal on a UPS with dead batteries. Companies often find it simpler to buy a new unit than deal with changing the batteries. The older Back-UPS units could be started as inverters by tapping the Test switch after turning the power switch on. The smaller units run on 12V, either from single batteries or 2x6V; bigger ones are 24V input,e.

Keep in mind that the APC units are rated in VA, and the real wattage ratings are about 2/3 that.

walkura 14th August 2007 06:38 PM

I seen this schematic when i was working on a inverter for my dads camper some time ago and i did use the pwm out of a processor (other processor st7lite25) .
i would stick to the idea of the pwm generator but try get rid of the bulky transformers .
Right now my work is over the top hectic ,so unfortunatly no time for play projects right now .
(the inverter is still half finished on the shelf) .
The magic sine wave is a good idea but i would prefer to stick my energy in chopping it out on the high side of a smps

mohamedtouma 12th January 2012 06:43 PM

thanksssssssssssssssssssssssssssssssssssssssssssss sssssssss


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