中国电机工程学报2012，Vol.32Issue(9)：100-108,9.
在线监测电机功率状态的图形识别方法
A Monitoring Method for Power Condition of AC Motors via Graphic Recognition
摘要
Abstract
In order to realize on-line recognition and power optimization control of the AC motor driving system, amplitude, phase, and phase sequence of three phase current and voltage were synthesized into Lissajous figure by Lissajous method. Functional relationships between motor power and the graphic features （including Lissajous figure area, boundary rectangle, swing angle） were deduced by mathematical analysis. The power circle graph which can express motor power various state was obtained by calculating graphic feature quantifies of Lissajous figure. Figure recognition technology of motor power state and running condition of driving system was realized. The experimental results show that, Lissajous figure and power circle graph can on-line illustrate power matching procedure of load and motor, and dynamic procedure of motor active power, reactive power, and apparent power. From Lissajous figure swing angle, the typical running conditions recognition of AC motor, such as loading, unloading, impacting, overloading protection, and power drive and power generation can be accomplished.关键词
信息融合/李萨如图形/交流电机：功率状态监测Key words
information fusion/Lissajous figure/ACmotor/power condition detection分类
信息技术与安全科学引用本文复制引用
谷立臣,刘沛津..在线监测电机功率状态的图形识别方法[J].中国电机工程学报,2012,32(9):100-108,9.基金项目
基金项目：国家自然科学基金项目（50975218,50575168）陕西省工业攻关项目 （）
陕西省教育厅资助项目（08JC｜0）. （）
