【摘要】 通过对短线路保护应用的现状和特点分析比较,及对光纤纵差保护的基本工作原理分析,指出光纤纵差保护是未来短线路保护应用趋势。结合南京地铁一号线等项目的工程应用经验,阐明了7SD610光纤纵差保护装置的一些特点和优势,并提出了一些建议。更多还原

【Abstract】 The actuality and characteristic of the application of short line are analyzed and compared and the basic principle of the optical longitudinal differential protection is analyzed.The optical longitudinal differential protection is the trend of application in short line because of its selectivity and quick break.According the application experience of the project such as Nanjing Subway,some characteristics and advantage of Siemens optical longitudinal differential protection device 7SD610 are illustrated and some proposals are presented.更多还原