电动汽车用永磁同步电机的损耗分析  

Power Loss Analysis of PMSM for Electric Vehicle

作　　者：郑海兵[1] 王中华[1] 杨士先[1] ZHENG Haibing;WANG Zhonghua;YANG Shixian(Anhui Jianghuai Automobile Company Limited,Hefei 230601,China)

机构地区：[1]安徽江淮汽车股份有限公司,安徽合肥230601

出　　处：《汽车实用技术》2024年第2期42-46,共5页Automobile Applied Technology

摘　　要：永磁同步电机(PMSM)作为电动汽车驱动电机的首选结构,被绝大多数的电动汽车使用。文章对永磁同步电机的功率损耗因素进行分析,并分析了功率损耗的数学计算模型。通过一款油冷式高速永磁同步电机展开了计算和实验,验证了数学计算模型的正确性。为研究油冷式永磁同步电机的功率损耗提供了一种方法。The permanent magnet synchronous motor(PMSM)is the preferred structure of electric vehicle drive motor,which is used by the major of electric vehicles.This paper analyzes the power loss factors of the PMSM and the mathematical calculation model of power loss.An oil cooler high speed PMSM is calculated and tested to verify the correctness of the mathematical calculation model.It provides a method to study the power loss of the PMSM.

关 键 词：永磁同步电机 功率损耗因素 数学计算模型 

分 类 号：U462[机械工程—车辆工程]