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Old 3rd August 2007, 03:06 PM   #1
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Default 12KWatts PIC16F84/ADC0831 Power Inverter

Hi dears

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

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


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Old 3rd August 2007, 03:08 PM   #2
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Default 2KVA inverter

Excuse me. Its only 2000 watts.
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Old 5th August 2007, 12:15 PM   #3
Eva is offline Eva  Spain
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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.
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Old 5th August 2007, 02:16 PM   #4
star882 is offline star882  United States
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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.
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Old 11th August 2007, 06:43 AM   #5
dangus is offline dangus  Canada
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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.
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Old 14th August 2007, 06:38 PM   #6
walkura is offline walkura  Poland
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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
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Old 12th January 2012, 06:43 PM   #7
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thanksssssssssssssssssssssssssssssssssssssssssssss sssssssss
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