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New Wind Farms Data Have Been Reported by Researchers at Hunan University (Optimization Control Strategy for Large Doubly-Fed Induction Generator Wind Farm Based on Grouped Wind Turbine)

  • Sep 15, 2021 1:13 am GMT
Energy Daily News

2021 SEP 14 (NewsRx) -- By a News Reporter-Staff News Editor at Energy Daily News -- Investigators discuss new findings in wind farms. According to news reporting from Changsha, People’s Republic of China, by NewsRx journalists, research stated, “This paper proposes a grouped, reactive power optimization control strategy to maximize the active power output of a doubly-fed induction generator (DFIG) based on a large wind farm (WF).”

Financial supporters for this research include Science and Technology Project of China Southern Power Grid.

The news reporters obtained a quote from the research from Hunan University: “Optimization problems are formulated based on established grouped loss models and the reactive power limits of the wind turbines (WTs). The WTs in the WF are grouped to relieve computational burden. The particle swarm optimization (PSO) algorithm is applied to optimize the distribution of reactive power among groups, and a proportional control strategy is used to distribute the reactive power requirements in each group. Furthermore, the proposed control strategy optimizes the reactive power distribution between the stator and the grid side converter (GSC) in each WT. The proposed control strategy greatly reduces the number of variables for optimization, and increases the calculation speed of the algorithm. Thus, the control strategy can not only increase the active power output of the WF but also enable the WF to track the reactive power dispatching instruction of the power grid.”

According to the news editors, the research concluded: “A simulation of the DFIG WF is given to verify the effectiveness of the proposed control strategy at different wind speeds and reactive power references.”

For more information on this research see: Optimization Control Strategy for Large Doubly-Fed Induction Generator Wind Farm Based on Grouped Wind Turbine. Energies, 2021,14(4848):4848. (Energies - The publisher for Energies is MDPI AG.

A free version of this journal article is available at

Our news journalists report that more information may be obtained by contacting Shijia Zhou, Department of Electrical and Information Engineering, Hunan University, Changsha 410082, People’s Republic of China. Additional authors for this research include Fei Rong, Xiaojie Ning.


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