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Performance Evaluation of Excitation Systems in Stability Enhancement of Power Systems

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  • Abdulmohsen Al-Zahrani‬‏

    (King Abdulaziz University, Saudi Arabia.)

  • Sreerama Kumar Ramdas

    (King Abdulaziz University, Saudi Arabia.)

Abstract

This paper involves the characterization and the performance evaluation of various types of synchronous generator excitation systems in the transient stability enhancement of power systems. The Investigations are carried out by modelling the typical DC, AC and static excitation systems represented by IEEE types DC1A, DC2A, AC4A, AC5A, ST1A and ST2A attached with a generator connected to the infinite bus. The performance evaluation of these excitation systems is performed in terms of their response ratio and ceiling voltage together with the system settling time and the critical clearing time following a sudden three-phase short-circuit in the system. Each excitation system together with its power system stabilizer is considered in the analysis. 4th order Runge Kutta method is utilized for transient stability analysis of the power system with the 3rd order model for synchronous generator representation. The investigations reveal that the IEEE ST2A Excitation System is better than the other types of excitation systems.

Suggested Citation

  • Abdulmohsen Al-Zahrani‬‏ & Sreerama Kumar Ramdas, 2022. "Performance Evaluation of Excitation Systems in Stability Enhancement of Power Systems," European Journal of Engineering and Technology Research, European Open Science, vol. 7(5), pages 82-93, September.
    • Handle: RePEc:epw:ejeng0:v:7:y:2022:i:5:id:62820
    DOI: 10.24018/ejeng.2022.7.5.2820
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