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Study on Power Grid Partition Method for Wide-area Relaying Protection

机译：广域继电保护的电网划分方法研究

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摘要

Recently, wide area relaying protection (WARP) is attracting wide concern for its advantages in coping with challenges to traditional backup protection. It is essential for power grid partition based on limitation of WARP having real-time and rapidity. As a result, a novel concept, limited wide area relaying protection system, is proposed and some basic partition principles, including main substation selection, regional scope and multi-regional overlap, are elaborated for helping to realize WARP in whole power grid. Furthermore, the implementation methods of grid partition is proposed by using matrix calculation on grid topological structure of graph theory, and the process is given based on IEEE 11 nodes system partition. A simulation of 220 kV grid systems in Easter Hubei province shows the effectiveness of grid partition for wide-area relaying protection.
机译：近年来，广域中继保护（WARP）因其在应对传统备份保护方面的优势而备受关注。基于具有实时性和快速性的WARP的局限性，对电网划分至关重要。因此，提出了一种新颖的概念-有限广域继电保护系统，并阐述了一些基本的分区原则，包括主变电站的选择，区域范围和多区域重叠，以帮助在整个电网中实现WARP。此外，提出了基于图论的网格拓扑结构矩阵计算的网格划分实现方法，并基于IEEE 11节点系统划分给出了实现过程。湖北省复活节地区220 kV电网系统的仿真表明，电网分区对于广域继电保护的有效性。

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