Area backup protection based on substations secondary-DC-loss

摘要：

　　A scheme of substation SDL (secondary- DC-loss) protection based on the regional grid information is proposed, which can quickly isolate the fault when the insubstation or outlet-line fault occurs in a substation with SDL. With the substations as the objects, the concept of regional master-slave station protection system and its construction modes are proposed, which realizes the effective detection of the SDL of substation protection system by the aid of the regional process-level communication network and the communication power-supply independent of the protection power-supply, and a complete scheme of SDL protection is further proposed. The results of RTDS test show that, the proposed method and scheme can correctly detect the status of substation SDL and quickly isolate the faults in the SDL area.

关键词： Secondary-DC-loss Fault isolation Master-slave station protection system SDL protection

作者: Dai Guangwu Xie Hua Xu Xiaochun Zhao Qingchun

作者单位: Nanjing Nari Relays Electric Co.,Ltd.,Nanjing,Jiangsu,211102

会议类型: 国际会议

会议名称: 2016中国国际供电会议(CICED2016)

会议地点: 西安

会议语种:英文

页码: 1-4

在线出版日期: 2016-09-01（万方平台首次上网日期，不代表论文的发表时间）