| 分布式发电对电网继电保护的影响综述 |
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| 引用本文： | 张勇. 分布式发电对电网继电保护的影响综述[J]. 电力系统及其自动化学报, 2010, 22(2) |
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| 作者姓名： | 张勇 |
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| 作者单位： | 北京工商大学计算机与信息工程学院,北京,100037 |
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| 摘 要： | 随着分布式发电的接人,配电网由单电源转化为多电源网络,原有的某些继电保护系统会受到显著影响.文中分析了分布式发电接人对配电网继电保护影响的成因,阐明了孤岛运行的危害.在分析比较主要的孤岛检测方法的优缺点及适用范围的基础上,针对某一中等容量分布式电源接入保护方案,比较了接人变压器的接线方式和中性点接地方式对于接入保护的影响,进而说明接人保护的主要功能.分析结果表明,分布式发电对于配电网继保系统有重要影响,主要体现在对过电流保护、距离保护、孤岛运行、自动重合闸和故障电流方向等方面,应采用相应措施解决.
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| 关 键 词： | 分布式发电 继电保护 配电网 揍人保护 孤岛运行 |
Review of Impact of Distributed Generation on Distribution System Protection |
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| ZHANG Yong. Review of Impact of Distributed Generation on Distribution System Protection[J]. Proceedings of the CSU-EPSA, 2010, 22(2) |
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| Authors: | ZHANG Yong |
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| Affiliation: | ZHANG Yong (School of Computer and Information Engineering,Beijing Technology and Business University,Beijing 100037,China) |
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| Abstract: | Distribution system would be converted from single-source network into multi-source network while interconnecting distribution generator with existing system.There would be significant impact on original protection system because of DG integration.This paper illustrates the main reasons of the impact and discusses the negative impact of islanding operation.Based on the analysis and comparison of major islanding detection methods,and taking an interconnection protection scheme of a system with middle-sized D... |
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| Keywords: | distributed generation protection distribution system interconnection protection islanding |
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