b) A 3-phase star-connected, balanced load is fed from an 11kV 50HZ supply. The load impedance per phase consists of a 200 resistor in series with a 60mH inductor. How many percentage will the frequency change if the power load is reduced by 2%? What is the frequency in this case?

b) A 3-phase star-connected, balanced load is fed from an 11kV 50HZ supply. The load impedance per phase consists of a 200 resistor in series with a 60mH inductor. How many percentage will the frequency change if the power load is reduced by 2%? What is the frequency in this case?

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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KVL and KCL

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Sign Convention

Science and technology incorporate some ideas and techniques of their own to understand a system skilfully and easily. These techniques are called conventions. For example: Sign conventions of mirrors are used to understand the phenomenon of reflection and refraction in an easier way.

Question

(b) A 3-phase star-connected, balanced load is fed from an 11kV 50HZ supply. The
load impedance per phase consists of a 200 resistor in series with a 60mH
inductor. How many percentage will the frequency change if the power load is
reduced by 2%? What is the frequency in this case?

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