A 50-Hz round rotor generator has Ef = 1.4 pu, VT = 1.0 pu, Xd = 1.5 pu, and H = 7 sec. Determine the mechanical natural frequency of the turbine-generator oscillations under a transient disturbance when operating at 80% load. %3D %3D

A 50-Hz round rotor generator has Ef = 1.4 pu, VT = 1.0 pu, Xd = 1.5 pu, and H = 7 sec. Determine the mechanical natural frequency of the turbine-generator oscillations under a transient disturbance when operating at 80% load. %3D %3D

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

Chapter12: Power System Controls

Section: Chapter Questions

Problem 12.6P

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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 50-Hz round rotor generator has Ef = 1.4
pu, VT = 1.0 pu, Xd = 1.5 pu, and H = 7 sec.
Determine the mechanical natural frequency
of the turbine-generator oscillations under a
transient disturbance when operating at 80%
load.

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