ac and dc machines identification

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santoshtambe76@yahoo.com

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How i know motor connected to the load is AC or DC motor by observing its electrical characteristics?
 

" by observing its electrical characteristics? ", Err, seeing if it is being fed by Ac or DC ? If you are talking about its mechanical power output v. mechanical load, you can't really unless you grossly over load it, when a synchronous/squirrel cage AC motor will stall rapidly while a DC motor will plug on issuing a lot of smoke and heat.
Frank
 

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