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用有限元法计算永磁同步电动机的转子损耗
引用本文:马杰,于奇志. 用有限元法计算永磁同步电动机的转子损耗[J]. 防爆电机, 2003, 0(2): 8-10
作者姓名:马杰  于奇志
作者单位:1. 佳木斯防爆电机研究所,黑龙江佳木斯,154005
2. 调兵山市铁法煤业(集团)有限公司,辽宁调兵山,112700
摘    要:提出了数值分析中高速直接转矩控制的永磁同步电动机(PMSM)的转子损耗,利用DSP基仿真程序模拟实际的直接转矩控制永磁同步电动机的性能,计算空载和额定转矩时的定子电流。结果表明,相同转速下的中、高速直接转矩控制的永磁同步电动机空载运行时的转子损耗要比额定负载下运行时的转子损耗高很多,并将在7500r/min下运行的直接转矩控制的永磁同步电动机的转子损耗计算值与空载损耗测试值进行了对比。

关 键 词:永磁同步电动机 转子损耗 有限元法 计算 直接转矩控制 数值分析

FEM Calculation Rotor Losses in PM Synchronous Motor
Ma Jie and Yu Qiizhi. FEM Calculation Rotor Losses in PM Synchronous Motor[J]. Explosion-proof Electric Machine, 2003, 0(2): 8-10
Authors:Ma Jie and Yu Qiizhi
Affiliation:Ma Jie and Yu Qiizhi
Abstract:A numerical analysis of rotor losses in a medium and high speed direct torque controlled permanent magnet synchronous motor(PMSM) is presented. The calculation of stator currents at no load, and at rated torque was performed by using a DSP based emulator, which simulates the performance of a real direct torque controlled PMSM. It is shown that in the medium and high speed direct torque controlled PMSM, the rotor losses were considerably higher when operating at no load compared to rated torque operation at the same rotation speed. Calculated rotor losses are compared to the measured no load losses of the direct torque controlled PMSM at 7500rpm.
Keywords:Finite element method   permanent magnet motor   rotor losses   eddy currents.  
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