漏洞分析和建模对可再生能源发电系统中的电压源转换器进行虚假数据注入攻击
Yankai Xing1, Guangdou Zhang1, Jian Li1
1Power System Wide-area Measurement and Control Key Laboratory of Sichuan Province, School of Mechanical and Electrical Engineering, University of Electronic Science and Technology of China, Chengdu, Sichuan, China.
ISA transactions
|October 12, 2023
概括
可再生能源的整合引入了网络风险. 本研究提出了针对电压源转换器的虚假数据注入攻击 (FDIA) 算法,证明其通过规避检测机制来破坏电网稳定的能力.
科学领域:
- 电气工程 电气工程
- 网络安全 网络安全
- 电力系统 电力系统
背景情况:
- 增加可再生能源的整合需要更多的电力电子设备,创造新的网络攻击载体.
- 电网中的等级控制系统容易受到复杂的网络威胁.
- 电压源转换器 (VSC) 是易受操纵的关键组件.
研究的目的:
- 调查分层电网控制系统的网络漏洞.
- 提出一个新的虚假数据注入攻击 (FDIA) 构建算法,针对VSC.
- 证明FDIA在绕过二次控制环中的现有检测方法方面的有效性.
主要方法:
- 开发一个专门为VSCs设计的FDIA模型.
- 使用物理攻击发生器或监督控制和数据采集 (SCADA) 系统伪造攻击的模拟.
- 整合FDIA模型与状态估计,以绕过不良数据检测.
- 在单个转换器无限总线基准和IEEE 34 总线系统上测试拟议的攻击.
主要成果:
- 拟议的FDIA模型成功欺骗了国家估计过程.
- 攻击模型有效地绕过了二级控制循环中的错误数据检测机制.
- 模拟表明,FDIA可以在电力系统中引发威胁性的振荡.
- 该攻击在一个简单的基准和一个更复杂的IEEE 34总线系统上都被证明是有效的.
结论:
- 该研究强调了与在可再生能源透率高的电网中越来越多地使用VSCs相关的重大网络安全风险.
- 开发的FDIA算法是一个可行的威胁,能够破坏电力系统的稳定.
- 需要加强安全措施,以保护VSC和二次控制循环免受这种复杂的数据伪造攻击.
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