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何逢春,贾晓宇,陈敏,徐德鸿,何茂军,柳绪丹.电动汽车永磁同步电机分布参数提取研究[J].电源学报,2019,17(5):177-185
电动汽车永磁同步电机分布参数提取研究
Study on Distributed Parameter Extraction of Permanent Magnet Synchronous Motor in EV
投稿时间:2019-01-31  修订日期:2019-05-19
DOI:10.13234/j.issn.2095-2805.2019.5.177
中文关键词:  永磁同步电机  电磁干扰(EMI)模型  电动汽车(EV)
英文关键词:permanent magnet synchronous motor(PMSM)  electromagnetic interference(EMI) model  electric vehicle(EV)
基金项目:
作者单位E-mail
何逢春 浙江大学电气工程学院, 杭州 310027  
贾晓宇 浙江大学电气工程学院, 杭州 310027  
陈敏 浙江大学电气工程学院, 杭州 310027  
徐德鸿 浙江大学电气工程学院, 杭州 310027 xdh@zju.edu.cn 
何茂军 博世(中国)投资有限公司亚太科技研究中心 CR/RTC2-AP, 上海 200050  
柳绪丹 博世(中国)投资有限公司亚太科技研究中心 CR/RTC2-AP, 上海 200050  
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中文摘要:
      电动汽车驱动系统通常由电池组、逆变器以及永磁同步电机构成。由于逆变器中功率半导体器件高频地开关,驱动系统会产生电磁干扰EMI(electromagnetic interference)。永磁同步电机为共模电磁干扰和差模电磁干扰提供了传播路径,其寄生参数增强了电磁干扰,因此它是电动汽车驱动系统EMI模型的重要组成部分。在分析电机物理结构的基础上,基于永磁同步电机的集总参数模型,将模型中的电路元件与电机寄生参数联系起来;然后通过理论计算和有限元仿真分析相结合的方法,提出了绕组电感、相间互感、寄生电容、铜耗电阻和铁损电阻的获取方法,并通过实验测量验证了理论计算方法的正确性。基于所提参数提取方法,得到了集总参数模型参数,通过仿真和网络分析仪实验测量进行了所提方法的验证。
英文摘要:
      The power-train in an electric vehicle(EV) usually consists of a battery pack, an inverter and a perman-ent magnet synchronous motor(PMSM). The power-train system may cause electromagnetic interference(EMI) due to the high-frequency switching behavior of the power semiconductor device in the inverter. Since the PMSM provides propagation paths for the common-mode and differential-mode EMI and its parasitic parameters enhance the EMI, it is an important part of the EMI model for the EV's power-train system. In this paper, based on a lumped parameter model of PMSM, the model's circuit components were associated with the motor's parasitic parameters by analyzing the motor's physical structure at first. Then, a method was proposed to obtain the winding inductance, mutual inductance, parasitic capacitance, copper loss resistance and core loss resistance by combining the theoretical calculation and simulations using finite element analysis(FEA), and the theoretical calculation method was verified by experimental measurements. Based on the proposed parameter extraction method, the parameters of the lumped parameter model were obtained, which were validated through simulations and experimental measurements by a network analyzer.
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