基于智能电网的空间嵌入相依网络脆弱性分析与性能优化研究

Smart grid is a complex network with spatial geographical distribution and inter-dependent characteristics. Analysis of the vulnerability of smart grid and optimization of its performance is one of the core technologies to ensure the safety and stability of the grid. Based on this, the project aims to analyze the vulnerability of smart grid and study how to optimize their performance, according to the application requirements and actual characteristics of the smart grid. The specific research contents include: Analyzing the geographical spatial distribution of nodes and interdependent relationships of network, establishing the spatial embedding interdependent network model of smart grid and the cascading failure model of heterogeneous capacity-load interdependent networks; Developing effective vulnerability set identification theory and establishing the methods of vulnerability analysis; Revealing the quantitative and qualitative relationships between power electronic characteristics of power grid, the communication constraints of the information network and essential property of smart grid, and proposing its distributed optimization and guaranteed cost control methods. For the expected results of the project, on the one hand, it can provide new technologies and new methods for optimization design and safety and stability of smart grid. On the other hand, it can develop and establish the universal complex network analysis and optimization theory.

智能电网是一类具有空间地理分布和相依关系特性的复杂网络。分析智能电网的脆弱性并对其进行性能优化设计是保障电网安全稳定运行的核心技术之一。基于此，本项目从智能电网的应用需求和实际特征出发，拟研究其脆弱性分析与性能优化设计问题。具体研究内容包括：分析节点空间地理分布和网络相依关系，建立其空间嵌入相依网络模型和异质容量-负荷相依网络级联失效模型；发展有效的脆弱集辨识理论，建立智能电网的脆弱性分析方法；揭示电力网电力电子特性、信息网通信约束与智能电网本质性能之间的定量定性关系，提出其分布式优化与保性能控制方法。项目预期成果，一方面能够为智能电网优化设计与安全稳定运行提供新技术与新方法，另一方面也能发展并建立具有普适性的复杂网络分析与优化理论。

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