Evaluation of Power System Stability by UPFC via Two shunt Voltage-Source Converters and a Series Capacitor
Publish place: 20th Iranian Conference on Electric Engineering
Publish Year: 1391
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
ICEE20_071
تاریخ نمایه سازی: 14 مرداد 1391
Abstract:
In this paper, the effects of a newly presented unified power flow controller (UPFC) structure, which is based on two shunt voltage-source converters and a series capacitor, isinvestigated on the dynamic stability of power system. To reach to this purpose, it was suggested a non-linear dynamic model fora sample power system that a proposed UPFC was installed on. From non-linear dynamic model, it was suggested a linear dynamic model and modified Heffron-Philips model. Then, bymodifying of damping controller for proposed UPFC and regulating UPFC controller parameters by phase compensationtechnique, the most appropriate and effective entering signal was chosen among controlling signals of proposed UPFC by differenttechnique.The validity of the theoretical facts is then well confirmed by simulation results obtained in MATLAB/Simulink
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Authors
Ebrahim Babaei
University of Tabriz
Farzad Mohammadzadeh Shahir
Islamic Azad University, Ahar