Assessment of Preventive Facilities against Voltage Instability Considering Power System Losses, Correlated Wind Turbine Uncertainty and Load Variations

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Faculty of Electrical and Computer Engineering, University of Tabriz, Tabriz, Iran

Abstract

This paper presents a comprehensive method for preventing voltage instability, considering load variation, power system losses and correlated wind turbines. The proposed method considers large interval for load variation and comprehensive assessment of preventive facilities versus load variation is performed. The proposed method is simulated on large scale IEEE 118-bus test system. The effect of uncertain correlated wind turbines, power system losses and demand response considering voltage stability margin, on preventive facilities is analyzed, too.

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