电测与仪表2017，Vol.54Issue(10)：55-62,8.
一种对配网继电保护影响最小的分布式电源的最优接入方式
An optimal access method of distributed generation with minimal impact on distribution network relay protection
曾奕铭 1张慧媛 1龚仁敏2
作者信息
- 1. 华北电力大学 电气与电子工程学院,北京 102206
- 2. 北京中恒博瑞数字电力科技有限公司,北京 100085
- 折叠
摘要
Abstract
With the rapid development of economy,the distributed power supply (DG) is becoming more and more popular as a new,environmentally friendly and efficient power generation form.This paper focuses on the analysis of the influence of distributed power grid on the traditional current protection of distribution network;the PSCAD/EMTDC simulation software is used to verify the effects of the different distributed power supply capacity and the different access location of each segment current protection in distribution network.It proposed a kind of distribution network specific sector of the access method of minimum short-circuit current.In the analysis of the DG grid based argumentation and drain currents of short-circuit current,this paper puts forward a kind of no effect on the specific segment of the current protection of the optimal access mode,and the correctness of the method is verified by theoretical analysis and simulation modeling.This paper proposes a novel grid-connected law under the certain circumstances of DG access conditions,which provides certain reference for DG grid connection.关键词
分布式电源/电流保护/助增作用/汲流作用/短路电流Key words
distributed power supply/current protection/increasing effect/drain current/short-circuit current分类
信息技术与安全科学引用本文复制引用
曾奕铭,张慧媛,龚仁敏..一种对配网继电保护影响最小的分布式电源的最优接入方式[J].电测与仪表,2017,54(10):55-62,8.
