中文摘要：

为了改善永磁同步电机系统的绝缘性,减小振动与噪声并增大逆变器的输出功率因数,首先推导了带LC输出滤波器的表贴式永磁同步电机系统的最大电流和最大电压限制;然后根据此限制以及电流、电压矢量图推导得到该系统的电机d轴参考电流,实现该系统的逆变器最大功率因数矢量控制;最后给出了整个系统的多回路反馈控制框图.实验结果证明了理论推导的逆变器最大功率因数控制方法能够使逆变器的功率因数达到最大,保证了系统稳定运行,输入给电机正弦电压和电流.

英文摘要：

In order to improve the insulativity of PMSM（Permanent Magnet Synchronous Motor） system, decrease its vibration and noise,and increase the output power factor of inverter,the maximal voltage and current limits of surface-mounted PMSM system with LC output filter are derived;its d-axis reference current is then deduced based on the obtained limits and the voltage/current vector diagram for the maximum power factor vector control of its inverter;and the block diagram of its multi-loop feedback control is given. Experimental results show that,the theoretically derived method of power factor control makes the inverter power factor maximum,ensuring the stable operation of system and the sinusoidal voltage and current inputs of PMSM.