A 3 phase, 460 V, 1740 rpm, 60 HZ, 4-pole, Y-Connected wound rotor induction Motor has, R₁=0.25~₁ R₂=0.21₁ X₁=0.5~ X2=0.5 Xm= 30~ 1 → the starting current when started direct on fall Voltage 2 the starting torque

A 3 phase, 460 V, 1740 rpm, 60 HZ, 4-pole, Y-Connected wound rotor induction Motor has, R₁=0.25~₁ R₂=0.21₁ X₁=0.5~ X2=0.5 Xm= 30~ 1 → the starting current when started direct on fall Voltage 2 the starting torque

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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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

A 3 phase, 460 V, 1740 rpm, 60 HZ, 4-pole, Y-Connected wound
rotor induction Motor has, R₁=0.25~₁ R₂=0.21₁ X₁=0.5~
X2=0.5
Xm= 30~
1 → the starting current when started direct on fall Voltage
2 the starting torque

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Step 2: Formulas to calculate Ist and Tst

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Step 3: Determination of starting current

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Step 4: Determination of starting torque

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