由大电机、电力系统、继电保护和自动化与计算机应用等四个专业委员会联合召开的《电力系统与电网技术1989学术年会》于1989年11月26至30日在北京召开。到会代表170余人,会议共征集论文200余篇,评审录用论文109篇,(包括6篇转载论文),约120余万字,已集中印刷成册。 The 1989 Academic Annual Conference on Power Systems and Power Grids, jointly organized by four professional committees, including large motors, power systems, relay protection, and automation and computer applications, was held in Beijing from November 26 to 30, 1989. More than 170 delegates attended the conference. The conference collected more than 200 papers, reviewed 109 papers accepted (including 6 papers reprinted), and had more than 1.2 million words. It has been printed in books.