Abstract

Wind power penetration is rising at a rapid pace in the modern era. As the penetration level becomes higher, numerous challenges appear regarding the impacts it has on the power system especially the transmission network. The evaluation of these impacts is beneficial for power system operation and planning. Power system operators throughout this era have developed numerous formulations and strategies to capture the impacts of the integration of wind power technologies. In this paper, various impacts of high penetration of wind power on the transmission network have been studied and an overview of problems concerning large-scale integration of wind farms is presented. A single period AC Optimal Power Flow (AC OPF) is performed in MATPOWER on modified IEEE-118 bus system under different wind penetration levels to analyze the impacts on voltage profile, transmission congestion, locational marginal prices (LMPs), transmission losses, and generation cost of the system. The AC OPF formulation is described and simulation results from MATPOWER are also presented and discussed.

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