(6) 3.- A 6-pole, 440V and 60 Hz three-phase induction motor operates with a slip of 0.05 and has an output power of 50HP. The three phase stator copper losses are 1000 W and the rotational losses (includes stray losses) are 2000 W. Get: a) The speed of rotation of the motor in RPM b) The frequency of the voltages induced in the rotor c) The power that passes from the stator to the rotor in watts or air gap power (PAG) d) The output torque in Nt-M e) The three-phase input power in Watts f) If the power factor is 88, determine the stator current (magnitude and angle) A) RPM B) Hz C) PAG. D)Toutput= _Nt-M E)Pinput. W F) I= W

(6) 3.- A 6-pole, 440V and 60 Hz three-phase induction motor operates with a slip of 0.05 and has an output power of 50HP. The three phase stator copper losses are 1000 W and the rotational losses (includes stray losses) are 2000 W. Get: a) The speed of rotation of the motor in RPM b) The frequency of the voltages induced in the rotor c) The power that passes from the stator to the rotor in watts or air gap power (PAG) d) The output torque in Nt-M e) The three-phase input power in Watts f) If the power factor is 88, determine the stator current (magnitude and angle) A) RPM B) Hz C) PAG. D)Toutput= _Nt-M E)Pinput. W F) I= W

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter35: Harmonics 916

Section: Chapter Questions

Problem 3RQ: Would a positive-rotating harmonic or a negative-rotating harmonic be more harmful to an induction...

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Concept explainers

Three Phase Induction Motor

The induction motor is an electric motor that runs on AC (alternating current) and it is of two type single phase motor that work on single-phase power supply and three-phase motor that work on three-phase power supply.

Question

Please all subpart is compulsory please all subpart for like this

(6) 3.- A 6-pole, 440V and 60 Hz three-phase induction motor operates with a slip of 0.05 and has an output power of 50HP. The
three phase stator copper losses are 1000 W and the rotational losses (includes stray losses) are 2000 W. Get:
a) The speed of rotation of the motor in RPM
b) The frequency of the voltages induced in the rotor
c) The power that passes from the stator to the rotor in watts or air gap power (PAG)
d) The output torque in Nt-M
e) The three-phase input power in Watts
f) If the power factor is 88, determine the stator current (magnitude and angle)
A)
RPM B)
_Hz C) PAG=_
D)Toutput=
Nt-M E)Pinput.
W F) I=
W
O

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Step 1: Introduction

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Step 2: a) Rotor speed

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Step 3: b) Induced voltage frequency

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Step 4: c) Air gap power

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Step 5: d) Output torque

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Step 6: e) Input power

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Step 7: f) Stator current

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