基于SOGI的IPMSM低速转子位置检测方法  

Position Detection Method of Low Speed Rotor of Interior Permanent Magnet Synchronous Motor Based on Second Order Generalized Integrator

作　　者：赵云[1] 宋茂良 易磊 ZHAO Yun;SONG Maoliang;YI Lei(Hubei Key Laboratory for High-Efficiency Utilization of Solar Energy and Operation Control of Energy Storage System,Hubei Univ.of Tech.,Wuhan 430068,China;School of Electrical&Electronic Engin.,Huazhong Univ.of Sci.and Tech.,Wuhan 430074,China)

机构地区：[1]湖北工业大学太阳能高效利用及储能运行控制湖北省重点实验室,湖北武汉430068 [2]华中科技大学电气与电子工程学院,湖北武汉430074

出　　处：《湖北工业大学学报》2020年第2期37-41,共5页Journal of Hubei University of Technology

摘　　要：为提高低速时内置式永磁同步电机(IPMSM)转子位置辨识的精度,设计一种新型信号解调方案。当注入旋转高频电压信号后,所采用的新型二阶广义积分器(SOGI)可对响应电流id和iq进行解调,随后经锁相环(PLL)获取转子位置和转速。经仿真验证,相较传统滤波器法,新型SOGI方法有更高的观测精度。In order to improve the accuracy of rotor position identification of interior permanent magnet synchronous motor(IPMSM)at low speed,a new signal demodulation scheme is designed.When the rotating high-frequency voltage signal is injected,the new second-order generalized integrator(SOGI)can demodulate the response currents id and iq,and then obtain the rotor position and speed through a phaselocked loop(PLL).It is verified by simulation that the new SOGI method has higher observation accuracy than the traditional filter method.

关 键 词：二阶广义积分器 内置式永磁同步电机 信号解调 转子位置检测 

分 类 号：TM301.2[电气工程—电机]