中文摘要：

未来智能电网可视为信息/物理网相互依存的超大规模二元复合网络（cyber-physical power grid,CPPG）,研究其安全理论特别是信息安全对全系统存活性的影响在理论和工程两方面均具有重要意义。全面论述了电网信息安全的国内外研究现状,提出将复杂网络理论加以发展并应用于CPPG的网络建模、拓扑结构特征提取、连锁故障机理分析和脆弱度评估的新思路。所提研究课题有望建立基于CPPG的二元网络复杂性理论,为未来智能电网的建设提供技术支撑,特别是对从信息安全角度防止系统灾变具有重要意义。

英文摘要：

The future smart grid can be regarded as a dual compound network composed of the power network and cyber network,called CPPG.The study on the security of CPPG,especially the influence of the cyber security on the viability of the whole system,is of importance from both theory and engineering.This paper gives an overall overview of studies on cyber security in power grid,and then proposes a new idea to study CPPG through developing the complex network theory.This study includes the modeling,topology characteristics extraction,cascading failure mechanism analysis and vulnerability assessment.The proposed research direction is hoped to establish the complexity theory based on the CPPG,and the study results are expected to provide theoretic guidelines for the construction and operation of the future power grid,especially for the catastrophe prevention from the view of cyber security.