一种微电网集中保护控制方案

2015 IEEE PES Asia-Pacific Power and Energy Engineering Conference (APPEEC) Pub Date : 2015-11-01 DOI:10.1109/APPEEC.2015.7380867

Meng Xu, Tingru Meng, G. Zou, Jian Zhang, Xia Lin, Jingjing Yang

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引用次数: 3

摘要

微网灵活的运行方式给微网的保护和控制带来了极大的挑战。为此，本文提出了一种微电网集中保护与控制方案。为方便识别断陷区域，微电网提前划分为若干带。智能断路器之间相互通信，然后通过通道将实时信息发送到中央保护与控制系统(CPCS)进行故障分析。利用相邻节点叠加分量电流的特性，CPCS可以快速识别断裂带。此外，还给出了识别流程图。利用PSCAD建立了一个简单的微电网模型，仿真结果表明了所提集中保护方案的有效性。

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A centralized protection and control scheme for microgrid

The flexible operation modes of microgrid result in an extreme challenge for the protection and control of microgrid. Therefore, this paper proposed a centralized protection and control scheme for microgrid. To identify the faulted region conveniently, the microgrid is divided into several zones in advance. Intelligent circuit breakers communicate with each other, then send real-time information by channels to the central protection and control system (CPCS) for fault analysis. Taking advantage of characteristics of superimposed component currents through adjacent nodes, CPCS can fast identity the faulted zone. Additionally, an identification flowchart is also presented. A simple microgrid model is constructed using PSCAD, and simulation results show the validity of proposed centralized protection scheme.

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2015 IEEE PES Asia-Pacific Power and Energy Engineering Conference (APPEEC)

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