中压网络中的分散发电:抗孤岛保护性能

Proceedings of 14th International Conference on Harmonics and Quality of Power - ICHQP 2010 Pub Date : 2010-11-09 DOI:10.1109/ICHQP.2010.5625446

M. Delfanti, D. Falabretti, Marco Merlo, G. Monfredini, V. Olivieri

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引用次数: 21

摘要

为了充分利用这种新型的发电方式，分散发电的发展要求对配电网进行新的管理。特别是DG决定沿配电馈线的不同功率流，修改电压分布和故障水平，并在保护系统中引入新的问题。本文讨论了中压系统在不同工况下的部分孤岛问题。目的是评价最常用的被动方法的性能，特别是关于意大利的反孤岛保护系统。在此基础上，提出了减少反孤岛保护不良操作的新方案。

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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Dispersed generation in MV networks: Performance of anti-islanding protections

The growing development of Dispersed Generation drives to a novel management of distribution networks in order to take advantages of this new form of generation. In particular the DG determines different power flows along distribution feeders modifying voltage profiles and fault levels and introducing new issues in protection systems. This paper addresses the issues of islanding of a portion of the medium voltage system in different operating conditions. The aim is to evaluate the most used passive methods performances, in particular with respect to the Italian anti-islanding protection systems. On the basis of the results new schemes will be proposed to reduce anti-islanding protection bad operation.

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Proceedings of 14th International Conference on Harmonics and Quality of Power - ICHQP 2010

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