一种多端低压柔直互联直流网络拓扑保护方案

A DC Network Topology Protection Application Scheme for Multi-Terminal Low-Voltage Flexible Direct Interconnection

介绍一种适用于多端低压柔直互联的直流网络拓扑保护应用方案,阐述该保护方案的配置与功能要求、组网方式以及动作原理。通过实际工程项目的各种典型故障分析,说明该保护方案在不同直流故障和运行情况下的有效性和准确性。

This paper introduces an application scheme of DC network topology protection for multi-terminal low-voltage flexible direct interconnection,then expounds the configuration and functional requirements,networking method,and operation principle of this protection scheme,and finally illustrates the effectiveness and accuracy of the protection scheme under different DC faults and operation conditions by analyzing various typical faults in actual engineering projects.