Modeling and Voltage Stability Computation of Power Systems with High Penetration of Wind Power, Electric Vehicles and Air Conditioners

The large-scale integration of wind power, electric vehicles and air conditioning loads would perhaps produce an adverse combined affect on the voltage stability of power system. It is of great significance to investigate the combined effects of such three factors on power system voltage stability. Firstly, the daily power curve models of the wind farms, electric vehicles and air conditioning loads are studied, and a number of typical daily power curves are given for them. Secondly, the paper analyzes the combined effects of the three factors on power system voltage stability by using different practical daily wind power models. Finally, various electric vehicle charging strategies are simulated to explore their effects in improving the system voltage stability.

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