A 208-V, two-pole, 60-Hz Y-connected wound-rotor induction motor is rated at 15 hp. The components of equivalent circuit given in figure-3 are Page 6 of 8 Last two Digits of your SAP ID R, 200 R, R = 2 R. x100 XM 1.5 %3D X, = X, = R,x2 = 200 + Last two Digits of your SAP ID W mech = 0 W misc = 100 + Last two Digits of your SAP ID W core R, jX, jX, R, Figure 3 For a slip of 0.05, Compute (a) The line current I (b) The stator copper losses P, SCL (c) The air-gap power P AG (d) The power converted from electrical to mechanical form P. (e) The induced torque t Pconv conv ind (f) The load torque tad (g) The overall machine efficiency (h) The motor speed in revolutions per minute and radians per second

A 208-V, two-pole, 60-Hz Y-connected wound-rotor induction motor is rated at 15 hp. The components of equivalent circuit given in figure-3 are Page 6 of 8 Last two Digits of your SAP ID R, 200 R, R = 2 R. x100 XM 1.5 %3D X, = X, = R,x2 = 200 + Last two Digits of your SAP ID W mech = 0 W misc = 100 + Last two Digits of your SAP ID W core R, jX, jX, R, Figure 3 For a slip of 0.05, Compute (a) The line current I (b) The stator copper losses P, SCL (c) The air-gap power P AG (d) The power converted from electrical to mechanical form P. (e) The induced torque t Pconv conv ind (f) The load torque tad (g) The overall machine efficiency (h) The motor speed in revolutions per minute and radians per second

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter32: Three-phase Motors

Section: Chapter Questions

Problem 6RQ: Name three factors that determine the torque produced by an induction motor.

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Question

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SPA id =8922

A 208-V, two-pole, 60-Hz Y-connected wound-rotor induction motor is rated at 15 hp. The
components of equivalent circuit given in figure-3 are
Page 6 of 8
Last two Digits of your SAP ID
R, =
200
R,
R =
R,
_×100
XM= 1.5
X, = X, = R,x2
= 200 + Last two Digits of your SAP ID W
mech
= 0 W
misc
= 100 + Last two Digits of your SAP ID W
core
R,
jX,
jX,
R,
Figure 3
For a slip of 0.05, Compute
(a) The line current I
(b) The stator copper losses P
SCL
(c) The air-gap power P
AG
(d) The power converted from electrical to mechanical form P.
(e) The induced torque t
(f) The load torque tad
Pcony
conv
(g) The overall machine efficiency
(h) The motor speed in revolutions per minute and radians per second

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