直流系统级差保护和接地综合监测研究

介绍了变电站直流系统保护装置，是遭过直流互感器来检测直流线路的泄涓量，可以准确及时判断出所有的故障线路并可直接传送到上一级监控站或调度所。从而使检修人员能够快速准确的排除故障，使系统及时恢复正常工作。

Study on direct current system differential protection and comprehensive monitoring of grounding

The direct current （13C） system protection devices in the substation are introduced in this paper firstly. All the fault lines can be estimated accurately and timely through detecting the leakage in DC lines by the DC transformers. The estimated information can he transmitted directly to the higher level monitor station or dispatching office. The faults can he removed quickly and accurately hy the maintenance staff, And then the system resume to the normal work in time after troubleshooting.