Research on Relay Protection of Distribution Network System with Distributed Generation

Abstract:

Introduce the current development of distributed generation, the structure and protection configuration of existing distribution network, and the fault current insert of different kinds of distributed generation was introduced. Through the distribution network in different positions to join distributed generation, the influence of the join of distributed generation on the existing protection of distribution network was analyzed, which included the serious interference to the sensitivity and selectivity of the original protection, the refusal of line protection, the action error of non- fault line protection. The influence of distributed generation on automatic reclosing, and the effect between fuses was discussed, to some extent, and base on the discussion some appropriate countermeasures are proposed.

• Periodical: Applied Mechanics and Materials (Volume 734)
• Pages: 670-674
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.734.670
• Online since: February 2015
• Authors: Hui Hai Liu*, Xiao Li Zhang, Wei Li, Xiao Yang Wang, Yi Fan Zhang
• Keywords: Distributed Generation (DG), Distribution Network, Relay Protection

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