考虑网络安全的有源配电网综合故障仿真方法

IF 1.7 Q3 COMPUTER SCIENCE, INFORMATION SYSTEMS
Wanxing Sheng, Keyan Liu, Ying Liang
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引用次数: 2

摘要

由于网络物理系统(CPS)的诸多特性,包括配电网中各种动态过程的复杂演变,通信模式和严重的网络安全事件已成为重要问题。从DN分析的角度来看,传统的电气数字仿真无法访问当前通信系统和网络安全事件的模型。网络和物理网络之间的相互作用不能同时模拟和分析,这对DNs的CPS模拟的发展提出了挑战。为了评估网络对物理网络的影响,讨论了一个包含物理层、通信层和控制层的CPS仿真平台。通过三层模型之间的数据交互模拟三相短路故障处理和孤岛运行控制,分析通信数据篡改对故障处理过程的影响。分析了数据篡改对故障处理的影响,以及假数据注入和数据拦截对孤岛运行控制过程的影响。仿真结果表明,网络信息安全对故障保护和孤岛运行控制有较大影响,导致停电范围扩大,孤岛运行频率调整失效。本文也为分析CPS运行特点,识别和防范网络安全事件提供了仿真依据。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Comprehensive fault simulation method in active distribution network with the consideration of cyber security

Comprehensive fault simulation method in active distribution network with the consideration of cyber security

With the many characteristics of cyber–physical systems (CPS), including the complex evolution of various dynamic processes in distribution networks (DNs), communication modes and serious network security events have become important issues. From the perspective of DN analysis, traditional electrical digital simulations cannot access current models of communication systems and cyber network security events. The interactions between cyber and physical networks cannot be simulated and analysed simultaneously, which is challenging to the development of CPS simulations of DNs. To evaluate the impact of cyber networks on physical networks, a CPS simulation platform that contains physical, communication and control layers is discussed. Three-phase short-circuit fault processing and islanding operation control are simulated by data interactions among three-layer models that are used to analyse the impact of communication data tampering on fault handling processes. The influence of data tampering on fault processing and the influence of false data injection and data interception on islanding operation control processes are analysed. The simulation results show that the network information security has a large impact on fault protection and islanding operation control, which leads to the expansion of the outage scope and the failure of islanding operation frequency adjustment. This article also provides a simulation basis for the analysis of CPS operation characteristics and the identification and prevention of cyber network security events.

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来源期刊
IET Cyber-Physical Systems: Theory and Applications
IET Cyber-Physical Systems: Theory and Applications Computer Science-Computer Networks and Communications
CiteScore
5.40
自引率
6.70%
发文量
17
审稿时长
19 weeks
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