Maurice Tutor

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Teaching Since: May 2017
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  • MCS,PHD
    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

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  • Professor
    Phoniex University
    Oct-2001 - Nov-2016

Category > Management Posted 21 Mar 2018 My Price 5.00

equivalent-circuit parameters

Consider a 460-V, 25-kW, four-pole, 60-Hz induction motor which has the following equivalent-circuit parameters in ohms per phase referred to the stator: R1 = 0.103 R2 = 0.225 X1 = 1.10 X2 = 1.13 Xm = 59.4. The motor is to be operated from a variable frequency, constant-V/Hz drive whose output is 460-V at 60-Hz. Neglect any effects of rotational loss. The motor drive is initially adjusted to a frequency of 60 Hz.
a. Calculate the peak torque and the corresponding slip and motor speed in r/min.
b. Calculate the motor torque at a slip of 2.9 percent and the corresponding output power.
c. The drive frequency is now reduced to 35 Hz. If the load torque remains constant, estimate the resultant motor

Answers

Maurice Tutor
(5)
Status NEW Posted 21 Mar 2018 02:03 AM My Price 5.00

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