电工技术学报2018，Vol.33Issue(4)：910-918,9.DOI:10.19595/j.cnki.1000-6753.tces.161634
永磁同步电机位置检测偏差对驱动系统性能的影响研究
Research on the Influence of the Position Detection Error to the PMSM Drive System
摘要
Abstract
The detection accuracy of the rotor position angle is essential for the permanent magnet synchronous motor (PMSM) control system. Due to the quality of the mechanical sensor, mechanical tolerances and armature reaction, the mechanical position sensor-based methods will always have a relative certain rotor position detection error. Sensorless rotor position estimation accuracy is affected by sensorless observer methods, detection accuracy of current sensor, current harmonic component, inverter nonlinearity, and the parameter variation and asymmetry. Its position estimation error is relative uncertain. The paper focuses on the influence of position errors on the PMSM control system. The mathematical model of the PMSM is established based on the rotor position error. Its impacts on steady state performance are analyzed, such as the current and voltage limit, operating efficiency of the motor, current magnitude, copper loss, stable operation region, and dynamic response capability of the electromagnetic torque. Quantitative and qualitative conclusions have been validated by the experiments.关键词
永磁同步电机/转子位置检测偏差/稳定运行区间/无位置传感器控制Key words
Permanent magnet synchronous motor (PMSM)/rotor position detection error/stable operation region/senseless control分类
信息技术与安全科学引用本文复制引用
王海兵,赵荣祥,汤胜清,杨欢..永磁同步电机位置检测偏差对驱动系统性能的影响研究[J].电工技术学报,2018,33(4):910-918,9.基金项目
国家重点基础研究发展计划(973计划)(2013CB035600)和浙江省自然科学基金(LY15E070003)资助项目. （973计划）
