Alleviation of Subsynchronous Resonance Torsional Oscillations Via Rectifier Controlled Braking Resistor

Mohamed Fayez Ahmed*, Fahmy Metwally Bendary **, Mohamed El-Hadidy ***, Mohamed Adel Mandor ****
* Cairo Electricity Production Company (CEPC), Cairo, Egypt.
**,**** Electrical Engineering Department, Faculty of Engineering Shoubra, Benha University, Cairo, Egypt.
*** Egyptian Electricity Holding Company (EEHC), Cairo, Egypt.
Periodicity:July - September'2020
DOI : https://doi.org/10.26634/jee.14.1.17436

Abstract

Subsynchronous resonance (SSR) oscillations is a problem of great interest in the industry. SSR causes torsional oscillations with ever-increasing amplitudes occurring in the machine shaft sections resulting in a significant premature loss of fatigue life of the shaft metal with the consequent irrevocable fatigue cracks or even a shaft fracture. The main objective of this article is to implement a modern dynamic braking resistor model, namely rectifier controlled braking resistor, controlled via fuzzy logic controller for tempering SSR oscillations. The proposed scheme is authenticated in this work using the wellknown IEEE second benchmark model via MATLAB/Simulink-based modeling and simulation environment. Comparative simulation study of the test system with and without the proposed scheme should demonstrate its effectuality for mitigation of SSR oscillations.

Keywords

Fuzzy Logic Control, MATLAB/Simulink, Rectifier Controlled Braking Resistor, Series-Capacitor Compensation, Subsynchronous Resonance (SSR).

How to Cite this Article?

Ahmed, M. F., Bendary, F. M., El-Hadidy, M., and Mandor, M. A. (2020). Alleviation of Subsynchronous Resonance Torsional Oscillations Via Rectifier Controlled Braking Resistor. i-manager's Journal on Electrical Engineering, 14(1), 1-12. https://doi.org/10.26634/jee.14.1.17436

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