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?

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?

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter2: Fundamentals

Section: Chapter Questions

Problem 2.4P: For the single-phase circuit shown in Figure 122,I=100A. (a) Compute the phasors I1,I2, (b) Draw a...

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Concept explainers

Current Division Method

The generalized current divider formula is given by the following relation below,

Question

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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