新型电力系统中跨域连锁故障的演化机理与主动防御探索

doi:10.11930/j.issn.1004-9649.202110081

中国电力 ›› 2022, Vol. 55 ›› Issue (2): 62-72,81.DOI: 10.11930/j.issn.1004-9649.202110081

• 新型电力系统信息安全：理论、技术与应用 • 上一篇下一篇

新型电力系统中跨域连锁故障的演化机理与主动防御探索

刘依晗¹, 王宇飞²

1. 中国农业大学信息与电气工程学院，北京 100083;
2. 国网智能电网研究院有限公司，北京 102209

收稿日期:2021-10-24 修回日期:2021-12-18 出版日期:2022-02-28 发布日期:2022-02-23
作者简介:刘依晗（1989—），女，博士，实验师，从事电网信息物理系统、复杂系统分析、人工智能研究，E-mail：liuyihan0508@yeah.net;王宇飞（1982—），男，通信作者，高级工程师，从事电网信息物理系统、电力信息安全、电力人工智能研究，E-mail：wallyful@126.com
基金资助:
国家自然科学基金资助项目（协同网络攻击下电网CPS跨空间级联故障演化机理及早期防御研究，51977155）。

Exploring the Evolution Mechanism and Active Defense of Cross-Domain Cascading Failures in New Type Power System

LIU Yihan¹, WANG Yufei²

1. College of Information and Electrical Engineering, China Agricultural University, Beijing 100083, China;
2. State Grid Smart Grid Research Institute Co., Ltd., Beijing 102209, China

Received:2021-10-24 Revised:2021-12-18 Online:2022-02-28 Published:2022-02-23
Supported by:
This work is supported by National Natural Science Foundation of China (Research on the Evolution Mechanism and Early Defense of GCPS Cascading Failures under Cooperative Cyber Attacks, No.51977155)

摘要/Abstract

摘要： 新型电力系统实现了新能源电源与多元负荷的广域互联以及信息流与能量流的动态交互，但亦面临愈加严峻的安全威胁。攻击者可发动网络攻击，在多个电力节点引发一系列时空协同的电力故障，形成跨越信息域与电力域的连锁故障，破坏新型电力系统稳定运行。在此背景下，对跨域连锁故障的演化机理与主动防御机制展开研究。首先，根据新型电力系统的架构与运行特性分析其面临的耦合安全风险；进而，基于事件驱动分析攻击者引发跨域连锁故障的攻击全过程并建立跨域连锁故障的数学模型；最后，分析防御者视角的跨域连锁故障主动防御过程，提出考虑新型电力系统特性的跨域连锁故障主动防御模式并建立最优主动防御方案决策模型，为跨域连锁故障主动防御提供技术方案。

关键词: 新型电力系统, 信息物理系统, 网络攻击, 连锁故障, 演化机理, 主动防御

Abstract: The new type power system realizes the extensive interconnection of new energy sources and diversified loads, as well as the dynamic interaction of cyber flow and energy flow, but it also faces more and more serious security threats. The attackers can launch cyber attacks to cause a series of spatiotemporal coordinated power faults at multiple power nodes, forming cross-domain cascading failures (CDCF), and undermining the stable running of new type power system. In this context, the evolution and active defense mechanism of CDCF are studied. Firstly, the coupling security risks of new type power system are analyzed based on the system architecture and running characteristics. After that, an event-driven analysis is carried out on the whole attack process of CDCF caused by the attackers, and a CDCF mathematical model is established. Finally, the active defense process of CDCF is analyzed from the defenders’ perspective. A CDCF active defense mode is proposed considering the characteristics of new type power system, and a decision-making model for the optimal active defense scheme is established to provide the technical solution for CDCA active defense.

Key words: new type power system, cyber-physical system, cyber-attack, cascading failure, evolution mechanism, active defense

刘依晗, 王宇飞. 新型电力系统中跨域连锁故障的演化机理与主动防御探索[J]. 中国电力, 2022, 55(2): 62-72,81.

LIU Yihan, WANG Yufei. Exploring the Evolution Mechanism and Active Defense of Cross-Domain Cascading Failures in New Type Power System[J]. Electric Power, 2022, 55(2): 62-72,81.

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新型电力系统中跨域连锁故障的演化机理与主动防御探索

Exploring the Evolution Mechanism and Active Defense of Cross-Domain Cascading Failures in New Type Power System

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新型电力系统中跨域连锁故障的演化机理与主动防御探索

Exploring the Evolution Mechanism and Active Defense of Cross-Domain Cascading Failures in New Type Power System

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