(a) If this motor is started from a 460-V infinite bus, how much current will flow in the motor at starting? line i with an impedance of 0.50 +0.35 per phase is used to connect the duction motor to the infinite bus, what will the starting current of the motor be? What will the motor's terminal voltage be on starting?

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 13RQ: A squirrel-cage induction motor is operating at 1175 RPM and producing a torque of 22 Ib-ft. What is...
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What is this motor's starting torque?

6-21. A 460-V, 10 hp, four-pole, Y-connected, Insulation class F, Service Factor 1.15 induction motor has the
following parameters
R₁ = 0.54 2
X₁ = 2.093 2
CS Cam Bapper
For a slip of 0.02, find
R₂ = 0.488 2
X, = 3.209 Ω
2
misc
SCW
50
XM = 51.12 2
Pore = 150 kW
Transcribed Image Text:6-21. A 460-V, 10 hp, four-pole, Y-connected, Insulation class F, Service Factor 1.15 induction motor has the following parameters R₁ = 0.54 2 X₁ = 2.093 2 CS Cam Bapper For a slip of 0.02, find R₂ = 0.488 2 X, = 3.209 Ω 2 misc SCW 50 XM = 51.12 2 Pore = 150 kW
(a) If this motor is started from a 460-V infinite bus, how much current will flow in the motor at
starting?
b) If transmission line with an impedance of 0.50+ j0.35 2 per phase is used to connect the
duction motor to the infinite bus, what will the starting current of the motor be? What will the
motor's terminal voltage be on starting?
Transcribed Image Text:(a) If this motor is started from a 460-V infinite bus, how much current will flow in the motor at starting? b) If transmission line with an impedance of 0.50+ j0.35 2 per phase is used to connect the duction motor to the infinite bus, what will the starting current of the motor be? What will the motor's terminal voltage be on starting?
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