KIEE International Transactions on Power Engineering

The Korean Institute of Electrical Engineers (대한전기학회)
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New Serial and Parallel Sin+Cos PSS1A PSS Design and Analysis

  • Lee Sang-Seung (RERI and the PSRD of KESRI, Seoul National University) ;
  • Li Shan-Ying (School of Electrical Eng, Seoul National University) ;
  • Jang Gwang-Soo (School of Electrical Eng, Seoul National University) ;
  • Park Jong-Keun (School of Electrical Eng, Seoul National University) ;
  • Moon Seung-Il (School of Electrical Eng, Seoul National University) ;
  • Yoon Yong-Tae (School of Electrical Eng, Seoul National University)
  • Published : 2005.12.01
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Abstract

This paper proposes a new series and parallel Sin+Cos PSS (power system stabilizer) for the purpose of improving the existing PSS1A's performance. The purpose of the PSS is to enhance the damping of power system oscillations through injection of auxiliary signals for an excitation control terminal. The proposed series and parallel Sin+Cos PSS is connected adding the Sin+Cos terms additionally with the serial and parallel connection in a conventional PSS1A. The proposed controller is aimed at considering the damping of oscillation when it changes parameter fluctuations or operational load variations in a power system. The electric power system used is the KEPCO system and the voltage of the power transmission line is 154kV and 345kV. The PSCAD/EMTDC package is used to authorize the effect of the proposed controller. Simulations were shown by and compared with the waveforms for frequency, voltage and electric power.

Keywords

References

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