摘要
比较两种线路差动保护装置(7SD24与7SD60)的功能和特点,分析7SD60的工作原理和工作特性。根据广州地铁1号线线路差动保护的技术要求,完成7SD24保护升级为7SD60,并在多个变电站实施,取得了良好的效果。
The article compares two kinds of differential protection systems, i.e., 7SD24 and 7SD60, in respect of their functions and features and analyzes the working principles and characteristics of 7SD60. According to the technical requirements of Guangzhou metro Line 1 for differential protection systems, the upgrade has been performed from 7SD24 to 7SD60, and the upgrade implementation has been performed on several substations with good results acquired.
出处
《都市快轨交通》
2009年第6期33-34,39,共3页
Urban Rapid Rail Transit
