On the plate of a star-connected ring induction motor; It is written 7.5 kW, 16 A, 380V, 1430 rpm, Cosθ= 0.82 and f=50 Hz. Find the % efficiency of the motor at its rated (nominal) operation?
On the plate of a star-connected ring induction motor; It is written 7.5 kW, 16 A, 380V, 1430 rpm, Cosθ= 0.82 and f=50 Hz. Find the % efficiency of the motor at its rated (nominal) operation?
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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Question
On the plate of a star-connected ring induction motor; It is written 7.5 kW, 16 A, 380V, 1430 rpm, Cosθ= 0.82 and f=50 Hz. Find the % efficiency of the motor at its rated (nominal) operation?
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According to the question we have to calculate the value of % efficiency of the motor.
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