中文摘要：

在节能减排的大背景下，为了提高新能源汽车风扇的效率，提出了新能源汽车风扇用永磁同步电机矢量控制系统，详细分析了永磁同步电机的结构、工作原理以及矢量控制算法后，分别设计了新能源汽车风扇永磁同步电机矢量控制系统的硬件和软件。并结合FreeMASTER监控软件，对设计新能源汽车风扇用永磁同步电机矢量控制系统进行实验测试，实验结果表现出永磁同步电机矢量控制对于新能源汽车风扇的适用性和优势。

英文摘要：

In the background of energy-saving emission reduction, in order to improve the efficiency of the new energy automobile fan, the permanent magnet synchronous motor vector control system with new energy automobile fan, a detailed analysis of the structure and working principle of permanent magnet synchronous motor vector control algorithm, designed the vector control system of new energy automobile fan magnet synchronous motor the hardware and software. Combined with the FreeMASTER monitoring software, the experimental test of new energy automobile fan design for permanent magnet synchronous motor vector control system, experimental results show that the permanent magnet synchronous motor vector control for the applicability and advantages of the new energy automobile fan.