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Category > Engineering Posted 27 Apr 2017 My Price 2.00

Calculate the rotor resistance per phase of the motor itself

A 75-kW, 50-Hz, four-pole, 460-V three-phase, wound-rotor induction motor develops full-load torque at 1438 r/min with the rotor short-circuited. An external non-inductive resistance of 1.1 Ω  is placed in series with each phase of the rotor, and the motor is observed to develop its rated torque at a speed of 1405 r/min. Calculate the rotor resistance per phase of the motor itself.

 

Sep 05 2016 03:41 P

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Alpha Geek
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Status NEW Posted 27 Apr 2017 03:04 PM My Price 2.00

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