Abstract：In this paper, in order to solve the problem that the range of the motor speed is limited for the rotor magnetic circuit in permanent magnet synchronous motor, and under the capacity of power is be restricted. Based on the vector control method of permanent magnet synchronous motor, and analyzed the PMSM quadrature axis and direct axis inductance parameters on the influence of weak magnetic. Using the Ansoft finite element software, the change law of inductance parameters was obtained when the quadrature axis current gradually increased, and the effects of different rotor magnetic circuit on the inductance parameters were analyzed. The simulink experiment show that, with the same air gap length and permanent magnet magnetization lenghth, the inductance parameters of the interior rotor shape PM motor is bigger than the surface-mounted rotor shape, and it is advantaged to run weak magnetic expansion speed of the constant power.
王聪, 关新, 谭骏, 赵金越. 永磁同步电机弱磁性能参数的有限元分析[J]. 电气技术, 2015, 16(07): 16-19.
Wang Cong, Guan Xin, Tan Jun, Zhao Jinyue. The Finite Element Analysis of Permanent Magnet Synchronous Motor Weak Magnetic Parameters. Electrical Engineering, 2015, 16(07): 16-19.
2015, Vol. 16 
