Optimal Control and Operation Strategy for Wind Turbines Contributing to Grid Primary Frequency Regulation
AbstractThis study introduces a frequency regulation strategy to enable the participation of wind turbines with permanent magnet synchronous generators (PMSGs). The optimal strategy focuses on developing the frequency support capability of PMSGs connected to the power system. Active power control is performed using maximum power point tracking (MPPT) and de-loaded control to supply the required power reserve following a disturbance. A kinetic energy (KE) reserve control is developed to enhance the frequency regulation capability of wind turbines. The coordination with the de-loaded control prevents instability in the PMSG wind system due to excessive KE discharge. A KE optimization method that maximizes the sum of the KE reserves at wind farms is also adopted to determine the de-loaded power reference for each PMSG wind turbine using the particle swarm optimization (PSO) algorithm. To validate the effectiveness of the proposed optimal control and operation strategy, three different case studies are conducted using the PSCAD/EMTDC simulation tool. The results demonstrate that the optimal strategy enhances the frequency support contribution from PMSG wind turbines. View Full-Text
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Kim, M.-K. Optimal Control and Operation Strategy for Wind Turbines Contributing to Grid Primary Frequency Regulation. Appl. Sci. 2017, 7, 927.
Kim M-K. Optimal Control and Operation Strategy for Wind Turbines Contributing to Grid Primary Frequency Regulation. Applied Sciences. 2017; 7(9):927.Chicago/Turabian Style
Kim, Mun-Kyeom. 2017. "Optimal Control and Operation Strategy for Wind Turbines Contributing to Grid Primary Frequency Regulation." Appl. Sci. 7, no. 9: 927.
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