【作者】 何世恩； 索南加乐； 宋国兵； 夏经德；

【Author】 HE Shien~(1,2),SUONAN Jiale~1,SONG Guobing~1,XIA Jingde~1 (1.Xi’an Jiaotong University,Shaanxi,Xi’an 710049; 2.Gansu Electric Power Corporation,Gansu,Lanzhou 730050)

【机构】 西安交通大学电气工程学院； 甘肃省电力公司；

【摘要】 本文介绍了近年来我国继电保护技术发展状况,结合智能电网发展和新能源开发例举了继电保护发展的几个阶段和特点,从故障分量保护、自适应保护、行波保护、暂态量保护和参数识别保护等方面阐述了继电保护原理的新进展,分析了人工智能在保护中的应用不够理想的原因,最后指出了新形势下继电保护的发展方向。更多还原

【Abstract】 The paper introduces the developments of relay protection technology in recent years in China,and exemplifies the development phases and features of traditional and microprocessor-based relay protection with respect to the development of smart grid and renewable energy.The new developments of relay protection technology are presented,such as fault component based protection algorithm,adaptive relay protection,travelling wave based protection,transient component based relay,applications of parameter identification and artificial intelligence technology in relay protection.The reasons for unsuccessful application of the artificial intelligence technology in relay protection are also analyzed.Finally the development trends of relay protection are outlined.更多还原