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International Journal of

Recent Trends in Engineering

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International Journal of Recent Trends in Engineering (IJRTE)

ISSN 1797-9617

Volume 1, Number 3, May 2009

Issue on Electrical & Electronics

Page(s): 63-68

Centralized Optimal Control for a Multimachine Power System Stability Improvement Using Wave Variables

Soheil Ganjefar, A. Judi

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Abstract

This paper introduces the application of wave variable method in reducing the effect of delay during the transmission of control signals via large distances in a multimachine power system. Fast response and pure control signals applied to a power system have great importance in control process. At first we design a centralized optimal control considering no transport delay and then we compare them to the one considering this effect in order to demonstrate the deteriorating effect of transmission delay. Then we apply the wave variable method and it is shown that performance of centralized optimal controller is improved.

Index Terms

Centralized optimal control, delay; multimachine; wave variable

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