Thread: UPS question
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Old October 14, 2012, 12:59 PM
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NyteOwl NyteOwl is offline
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Well, I put my APC UPS on an oscilloscope and the output is a sine wave, not a square wave - and it didn't cost close to $1000. I do have a cheaper model and even it is a stepped sinusoidal approximation rather than a simple square wave. YMMV. And most electric motors do not like square wave signals. Square wave is 100% duty cycle with generally results in overheating motor windings
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Last edited by NyteOwl; October 14, 2012 at 01:05 PM. Reason: Fixed typos
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