一种微电网继电保护策略的研究  

Research on the Integrated Relay Protection Strategy of Micro-grid

作　　者：夏晗 朱胜辉 周富强 王海波 詹昕[2] XIA Han;ZHU Sheng-hui;ZHOU Fu-qiang;WANG Hai-bo;ZHAN Xin(Jiaxing power supply company of State Grid, Zhejiang Jiaxing 314000, China;Yangzhou power supply company of State Grid,Jiangsu 225000, China)

机构地区：[1]国网嘉兴供电公司,浙江嘉兴314000 [2]国网扬州供电公司,江苏扬州225000

出　　处：《新型工业化》2016年第7期46-50,共5页The Journal of New Industrialization

摘　　要：能源日益枯竭以及环境污染问题使得分布式发电技术得到快速发展,微电网作为分布式发电的有效利用形式,解决了分布式发电大规模应用的问题。本文以微电网继电保护策略为研究对象,以提高保护可靠性为目标,对微电网继电保护方法进行深入研究,阐述传统功率方向元件的原理、动作判据以及不足之处,分析负序功率方向元件的动作特性,并设计了负序电压法与负序功率方向元件相结合的一种继电保护策略。With the popularization and application of intelligent substation large operation and unmanned substation unattended and remote operation, how to ensure the safe and reliable operation of the relay protection, relay protection is facing the important and urgent problem. This paper is focused on the spatial dimension, and actively explore the control means of the smart substation, and construct the relay protection system, so as to improve the health level and processing efficiency of relay protection equipment, ensure the correct rate of protection action 100%, ensure the safe and stable operation of power network.

关 键 词：微电网 继电保护 负序电压法 负序功率方向元件 保护策略 

分 类 号：TM77[电气工程—电力系统及自动化]