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基于风储协同的电力系统惯性支撑与一次调频控制

Coordinated Control Strategy of Wind-storage Combined Participation in Power System Primary Frequency Regulation

  • 摘要: 针对大规模风电并网引发的频率波动问题,基于风电机组与储能系统协同参与电网一次调频的思路,提出了一种融合风机自适应惯量控制释放转子动能与储能动态下垂控制的综合调控策略。通过MATLAB/Simulink仿真对比分析了惯量控制、自适应惯量控制下风储联合参与电力系统一次调频的频率特性,验证了控制策略能够提高系统频率稳定性。

     

    Abstract: To address the frequency fluctuation issues caused by large-scale wind power integration, this paper proposes an integrated control strategy that combines wind turbine adaptive inertia control (releasing rotor kinetic energy) with energy storage system dynamic droop control for primary frequency regulation. The MATLAB/Simulink simulation results demonstrate that compared with conventional virtual inertia control, the proposed wind-storage coordinated control strategy significantly improves power system frequency stability, particularly in terms of frequency nadir and rate of change of frequency.

     

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