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Category > Engineering Posted 27 Apr 2017 My Price 2.00

Calculate the resistance per phase of the original motor

A 150-kW, 60-Hz, six-pole, 460-V three-phase wound-rotor induction motor develops full-load torque at a speed of 1157 r/min with the rotor shortcircuited. An external noninductive resistance of 870 mr2 is placed in series with each phase of the rotor, and the motor is observed to develop its rated torque at a speed of 1072 r/min. Calculate the resistance per phase of the original motor.

 

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Alpha Geek
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Status NEW Posted 27 Apr 2017 02:04 PM My Price 2.00

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