A synchronous generator with a synchronous reactance of 1.15 p.u. is connected to an infinite bus whose voltage is one p.u. through an equivalent reactance of 0.15 p.u. The maximum permissible active power output is 1.2 p.u. A. Compute the excitation voltage E. B. The power output is gradually reduced to 0.7 p.u. with fixed field excitation. Find the new current and power angle δ.

A synchronous generator with a synchronous reactance of 1.15 p.u. is connected to an infinite bus whose voltage is one p.u. through an equivalent reactance of 0.15 p.u. The maximum permissible active power output is 1.2 p.u. A. Compute the excitation voltage E. B. The power output is gradually reduced to 0.7 p.u. with fixed field excitation. Find the new current and power angle δ.

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 12.4P

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