摘要
本文首先对舟山多端柔性直流输电换流站电网接线方式进行介绍,对舟泗换流站直流线路纵差保护跳闸原因进行分析,给出了电流采样回路的故障原因和处理方法,完善了合并单元功能。
This paper introduces the general information of Zhoushan multi-terminal Flexible HVDC system firstly. In addition, DC line differential protection trip reason is analyzed in detail. Then the reason and processing methods of current sampling circuit are given. Additionally, the MU-unit function is improved.
作者
刘黎
戴涛
李剑波
袁杰
Liu Li;Dai Tao;Li Jianbo;Yuan Jie(Zhoushan Electric Power Company, State Grid Zhejiang Electric Power Company, Zhoushan, Zhejiang 316000)
出处
《电气技术》
2018年第4期112-115,共4页
Electrical Engineering
关键词
多端
柔性直流
跳闸
电流采样回路
multi-terminal
flexible HVDC
trip
current sampling circuit
