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  • Users: dharry
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  1. dharry

    hi-pot testing of 4500 HP electric motor

    While hi-pot testing a 4500 HP motor, it was noted that there was considerable "popping and cracking" noted and I could visibly see arcs jumping throught the front end of the rotor to the stator. The operator stated this was "normal and, as long as the hi-pot machine didn't trip, was acceptable...

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