直流微电网中分布式代的保护

2011 2nd IEEE PES International Conference and Exhibition on Innovative Smart Grid Technologies Pub Date : 2011-12-01 DOI:10.1109/ISGTEurope.2011.6162815

Won-Seok Lee, Sang-Hee Kang

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引用次数: 13

摘要

本文介绍了直流微电网保护的分析结果。400V直流微电网由风力发电系统(永磁同步发电机，PMSG)、光伏系统、燃料电池系统和储能系统组成。研究了各种故障时的异常工况。在一系列研究的基础上，提出了直流微电网的保护方案。提出了一种区分稳定异常运行状态和需要排除故障的算法。所有的案例研究都是用PSCAD /EMTDC进行模拟的。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Protection for distributed generations in the DC micro-grid

In this paper, an analysis results for the protection of a DC micro-grid is described. The 400V DC micro-grid consists of a wind power system (Permanent Magnet Synchronous Generator, PMSG), a photo-voltaic system, a fuel cell system and energy storages. Abnormal operating conditions during various faults are studied. According to a series of studies, a protection scheme for a DC micro-grid is suggested. An algorithm which can be used for discriminating the stable abnormal operating condition from the faults which should be cleared is also presented. All case studies are simulated with PSCAD /EMTDC.

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2011 2nd IEEE PES International Conference and Exhibition on Innovative Smart Grid Technologies

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