Maurice Tutor

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Teaching Since: May 2017
Last Sign in: 408 Weeks Ago, 2 Days Ago
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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 18 Jan 2018 My Price 6.00

per-phase circuit model

7-19. A 460-V, four-pole, 50-hp, 60-Hz, Y-connected, three-phase induction motor devel­ ops its full-load induced torque at 3.8 percent slip when operating at 60 Hz and 460

V. The per-phase circuit model impedances of the motor   are

 

 

R1 = 0.33 0

x, = 0.42 0

 

XM = 30 0

X2 = 0.42 0

 

 

Mechanical, core, and stray losses may be neglected  in this   problem.

(a)               Find the value of the rotor resistance R2•

(b)               Find Tmax• smax• and the rotor speed at maximum torque for this motor.

(c)               Find the starting torque of this motor.

(d)               What code letter factor should be assigned to this motor?

Answers

Maurice Tutor
(5)
Status NEW Posted 18 Jan 2018 07:01 PM My Price 6.00

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