A 100 MVA generator operates load of 50 Hz frequency. The load is suddenly reduced to 50 MW. The steam valve begins to close only after 0.4 and if the value of the inertia constant H is 5s, then the frequency at 0.4s is nearly?

A 100 MVA generator operates load of 50 Hz frequency. The load is suddenly reduced to 50 MW. The steam valve begins to close only after 0.4 and if the value of the inertia constant H is 5s, then the frequency at 0.4s is nearly?

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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Question

A 100 MVA generator operates load of 50 Hz frequency. The load is
suddenly reduced to 50 MW. The steam valve begins to close only
after 0.4 and if the value of the inertia constant H is 5s, then the
frequency at 0.4s is nearly?

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