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为开展设施农业机械电动化研究,选择单相异步电机为电动微型设施农业机械的动力。根据空间矢量脉宽调制(SVPWM)技术,进行单相电动机变频调速研究。通过MATLAB/simulink软件建立基于SVPWM技术系统仿真模型。经仿真表明,采用SVPWM技术的单相电动机在负载与转速突变时具有良好的适应能力,调速性能好,稳定性高,能满足农业生产的需求。
In order to carry out research on the electrification of facility agricultural machinery, single-phase asynchronous motor was selected as the power of agricultural machinery of electric micro-facility. According to space vector pulse width modulation (SVPWM) technology, single-phase motor frequency control research. The system simulation model based on SVPWM technology is established by MATLAB / simulink software. The simulation shows that the single-phase motor with SVPWM technology has good adaptability in the abrupt change of load and speed, good speed regulation performance and high stability, which can meet the needs of agricultural production.