JIANG Lijie, WANG Xiaoyan, SU Jie, ZHANG Zhentao. MPPT Fuzzy Fractional Control of Permanent-Magnet Synchronous Wind Power Generation System[J]. Modern Electric Power. DOI: 10.19725/j.cnki.1007-2322.2022.0248
Citation: JIANG Lijie, WANG Xiaoyan, SU Jie, ZHANG Zhentao. MPPT Fuzzy Fractional Control of Permanent-Magnet Synchronous Wind Power Generation System[J]. Modern Electric Power. DOI: 10.19725/j.cnki.1007-2322.2022.0248

MPPT Fuzzy Fractional Control of Permanent-Magnet Synchronous Wind Power Generation System

  • As the the main force of zero-carbon electricity and renewable energy generation, wind power plays a key role in assisting the comprehensive green and low-carbon transformation of society in the context of "dual carbon". It is crucial to maximize the utilization of wind energy and to increase the wind power generation system output while ensuring stable power generation. The maximum power point tracking (MPPT) problem of permanent-magnet synchronous wind power generation system was investigated. Firstly, a mechanism simulation model of permanent-magnet synchronous wind power generation system was established and a two-level dual-PWM full-power converter was used to connect the wind turbine to the grid. Secondly, based on the above model, an integer-order PI controller, fractional-order PI λ controller and fuzzy fractional-order PI λ controller were designed to implement MPPT control. Finally, simulation research was conducted on the above control strategies. The results show that the fuzzy fractional-order PI λ controller has better MPPT performance and better robustness than the other two types, regardless of whether it is in step or random wind speed.
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