中国电工技术学会电控系统与装置专业委员会与中国自动化学会电气自动化专业委员会于1990年8月2日至6日在辽宁省兴城市联合召开了第五届全国电气自动化、电控系统学术年会,同时召开了两专业委员会第三届委员会成立大会。参加会议代表共180人。本届年会共收到论文157篇,经过评审,选用了118篇,年会上宣读论文89篇。论文分为14大类,其中直流传动控制9篇;PWM变频11篇;新型逆变 China Electrotechnical Society Electronic Control Systems and Devices Committee and the Chinese Association of Automation Electrical Automation Committee in August 2, 1990 to 6 in Xingcheng City, Liaoning Province jointly held the Fifth National Conference on Electrical Automation, Electronic Control System At the same time, two professional committees held the inaugural meeting of the third committee. A total of 180 delegates attended the conference. The conference received a total of 157 papers, after review, selected 118, 89 papers were read at the annual meeting. The thesis is divided into 14 categories, including 9 DC drive control; PWM inverter 11; new inverter