高密度光伏系统接入配电网对继电保护的影响

凌红星; 赵晶晶; 孙改平; 黄丽莎; 张页; 沈秀兰; 高金兰

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DOI:10.3969/j.issn.1006-4729.2014.01.002

Journal of ShangHai University of Electric Power :2014,30(1):6-9

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高密度光伏系统接入配电网对继电保护的影响

凌红星¹, 赵晶晶², 孙改平², 黄丽莎², 张页¹, 沈秀兰³, 高金兰³

(1.长兴县供电局总工室;2.上海电力学院电气工程学院;3.上海市南供电设计有限公司总工室)

Influence on Relay Protection by High-density Photovoltaic System Paralleled into Distribution Network

LING Hongxing¹, ZHAO Jingjing², SUN Gaiping², HUANG Lisha², ZHANG Ye¹, SHEN Xiulan³, GAO Jinlan³

(1.Changxing County Electric Power Company, Huzhou 313100, China;2.School of Electrical Engineering, Shanghai University of Electric Power, Shanghai 200090, China;3.Shanghai Shinan Power Supply Design Co., Ltd., Shanghai 200233, China)

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Received:May 02, 2013

中文摘要: 高密度光伏系统接入配电网后,改变了配电网络的结构及配电网中短路电流的分布,对配电网继电保护产生了影响.以长兴县配电网线路为例,利用DIgGSILENT PowerFactory软件进行仿真,研究了光伏电源接入配电网对自动重合闸、保护范围和灵敏度3个方面的影响,并提出了相应的解决方案.

中文关键词: 光伏电源配电网继电保护重合闸保护灵敏度

Abstract:Changs are caused to the structure of distribution network and the short circuit current distribution in distribution network by the high-density photovoltaic power system paralleled into distribution network.thus the relay protection of distribution network is influenced.With an example of photovoltaic power supply paralleled into distribution network and using DIgGSILENT PowerFactory simulation software, a conclusion is drawn that the photovoltaic power has an influence on automatic reclosing, protection area and sensitivity.

keywords: potovoltaic power supply distribution network relay protection automatic reclosing relay protection sensitivity

文章编号：20140102 中图分类号： 文献标志码：

基金项目:国家(青年)自然科学基金(51207087);上海市教育委员会和上海市教育发展基金会"晨光计划"资助项目(10CG58);上海市教育委员会科研创新项目(12YZ143)

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Author Name	Affiliation	E-mail
LING Hongxing	Changxing County Electric Power Company, Huzhou 313100, China
ZHAO Jingjing	School of Electrical Engineering, Shanghai University of Electric Power, Shanghai 200090, China	jingjingzhao@shiep.edu.ca
SUN Gaiping	School of Electrical Engineering, Shanghai University of Electric Power, Shanghai 200090, China
HUANG Lisha	School of Electrical Engineering, Shanghai University of Electric Power, Shanghai 200090, China
ZHANG Ye	Changxing County Electric Power Company, Huzhou 313100, China
SHEN Xiulan	Shanghai Shinan Power Supply Design Co., Ltd., Shanghai 200233, China
GAO Jinlan	Shanghai Shinan Power Supply Design Co., Ltd., Shanghai 200233, China