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建立60°坐标系,经过标幺变换,使基本矢量转化为标幺值,并且通过旋转矩阵,将其他扇区旋转到第1扇区,基本矢量作用时间固定,大大简化了运算方法,优化运算流程。在Matlab/Simulink环境下搭建三相并联型APF仿真模型和实验验证,结果表明基于60°坐标系下有源滤波器SVPWM优化算法在保证系统稳态精度的同时有效改善了系统的动态响应性能。
The 60 ° coordinate system is established. After the unitary transformation, the basic vector is transformed into the unitary value. Through rotating the matrix, the other sectors are rotated to the first sector, the time of the basic vector is fixed, which greatly simplifies the operation and optimizes the operation Process. The three-phase parallel APF simulation model and experimental verification under the Matlab / Simulink environment are presented. The results show that the SVPWM optimization algorithm based on 60 ° coordinate system can effectively improve the system’s dynamic response performance while ensuring the steady-state accuracy of the system.