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DOE OSTI · 2477810

Co-Simulation Model for Optimal Wind-Hydro Coordination Using Wind Farm Control Dynamics

Abstract

The growing share of Variable Renewable Energy sources (VRES) in power systems presents challenges for regula- tors, grid operators and energy producers. The VRES’ operation has limited flexibility in their operations, as they are highly dependent on ambient environments. To address these challenges, decision-makers must consider multiple objectives, among these are revenue, power system services and mechanical load on wind turbines. Coordinated operation of power plants and different wind farm control strategies are examples of measures that can benefit these objectives. This study proposes a Multi-Objective Linear Programming (MOLP) model to simulate the optimum operation of wind and hydropower plants that share limited transmission capacity. Further, wind farm control dynamics are included to obtain realistic output power and accumulated damage. From this, a case study based on a relevant location in Norway is presented to analyze the improved effect of wind- hydro coordination and wind farm control in achieving the objectives of accumulated wind turbine damage and total revenue of the hybrid power system. In addition, the study considers the potential advantages of adding a variable-speed pump to the hydropower plant. The results demonstrate that by considering multiple objectives in the optimization, one may achieve better overall performance of the objectives. By utilizing the flexibility of hydro storage, the decision maker may adjust to obtain the most desired outcome. Moreover, the added flexibility of utilizing a pump for hydro storage shows great improvements for the combined revenue of the power plants and reduced curtailment of the wind farm. However, less impact is observed from using a variable speed pump compared to a fixed speed pump.

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BibTeXRIS

Horstad, Torbjørn Indrekvam, Cali, Umit, Dynge, Marthe Fogstad, Korpas, Magnus, Chapaloglou, Spyridon, Gallego Calderon, Juan Felipe. 2023-09-27. Co-Simulation Model for Optimal Wind-Hydro Coordination Using Wind Farm Control Dynamics. https://doi.org/10.1109/sest57387.2023.10257420

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