分布式电源对配电网继电保护影响的仿真与分析

陈建杰; 郝永晶; 纪元; 高亮

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DOI:10.3969/j.issn.1006-4729.2014.01.008

Journal of ShangHai University of Electric Power :2014,30(1):36-39

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分布式电源对配电网继电保护影响的仿真与分析

陈建杰¹, 郝永晶¹, 纪元², 高亮²

(1.运城供电分公司信通公司;2.上海电力学院电气工程学院)

Simulation and Analysis of the Impact of Distributed Generation on Protective Relaying in Distribution Network

CHEN Jianjie¹, HAO Yongjing¹, JI Yuan², GAO liang²

(1.Shanxi Yuncheng Power Supply Bureau Company of, I & C, Yuncheng 044000, China;2.School of Electric Power Engineering, Shanghai University of Electric Power, Shanghai 200090, China)

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Received:June 24, 2013

中文摘要: 分布式电源的接入改变了传统配电网的结构、潮流以及故障特征,对配电网继电保护具有一定影响.分析了不同类型的分布式电源对配电网继电保护的影响,利用PSASP软件搭建分布式电源的并网模型,并针对分布式电源的容量对配电网电流保护的影响作了仿真分析,提出了继电保护的调整及改进方案.

中文关键词: 分布式电源配电网电流保护距离保护

Abstract:With the Distributed Generation(DG) paralleling into the distribution system, the structure, power flow and the characteristic have changed after failure of power system。So DG has brought a certain impact of protective relaying to the traditional distribution.The major factors which affect the relay characteristic, such as the type of DG are analyzed.The Power System Analysis Software Package(PSASP) is used to simulate the distribution network which is paralleUed to the DG.Adjustments are needed for traditional protective relaying scheme.

keywords: DG distribution network overcurrent protection distance protection

文章编号：20140108 中图分类号： 文献标志码：

基金项目:上海市教育委员会重点学科建设项目(J51303);国家电网公司科技项目(SXEBC-SXL1303-3-TP)

Reference text:

Author Name	Affiliation	E-mail
CHEN Jianjie	Shanxi Yuncheng Power Supply Bureau Company of, I & C, Yuncheng 044000, China	sxyuccj@126.com
HAO Yongjing	Shanxi Yuncheng Power Supply Bureau Company of, I & C, Yuncheng 044000, China
JI Yuan	School of Electric Power Engineering, Shanghai University of Electric Power, Shanghai 200090, China
GAO liang	School of Electric Power Engineering, Shanghai University of Electric Power, Shanghai 200090, China