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Application of dynamic resistance braking on stabilizing torsional oscillations

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2 Author(s)
Li Wang ; Dept. of Electr. Eng., Nat. Cheng Kung Univ., Tainan, Taiwan ; Ching-Huei Lee

The paper presents the results of a study on the application of thyristor-controlled dynamic resistance braking for damping torsional oscillations in a power system, the IEEE Second Benchmark Model, system-1, which contains series-capacitor compensation. A set of dynamic resistance banks connected to the affected generator bus are proposed and a unified approach based on modal control theory is employed to design a proportional-integral-derivative (PID) controller in order that all subsynchronous resonance modes in the power system can be stabilized. For clearly demonstrating the effectiveness of the proposed scheme, both a frequency-domain approach based on eigenvalue analyses and a time-domain approach based on nonlinear model simulations are performed.<>

Published in:

TENCON '93. Proceedings. Computer, Communication, Control and Power Engineering.1993 IEEE Region 10 Conference on  (Volume:5 )

Date of Conference:

19-21 Oct. 1993