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NEMotorTech
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NEMotorTech

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29 Jun 2009
We have a motor on the bench that draws 0.6 amps (no load) in each phase with 460V applied. When voltage increases to 473V the current increases to 0.81 amps and when 493V current is 0.93 amps that is above FLA of motor.

The applied voltage is within the +/- 10% of the motor nameplate. Would this increase in current be due to voltage saturation in the stator or maybe the air gap between stator and rotor is not correct?
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20 Feb 2010 - 23:21

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