Reliability assessment of cyber-physical distribution network based on the fault tree

被引:23
作者
Sun, Xu [1 ]
Liu, Yanli [1 ]
Deng, Liangchen [2 ]
机构
[1] Tianjin Univ, Key Lab Smart Grid, Minist Educ, Tianjin 300072, Peoples R China
[2] Natl Dev & Reform Commiss, Energy Res Inst, Beijing 100038, Peoples R China
关键词
Cyber-physical distribution network; Distributed generation; Electric vehicle; Fault tree; Reliability assessment; SMART GRIDS; SYSTEM; OPTIMIZATION; PERFORMANCE; INTEGRATION; DEMAND;
D O I
10.1016/j.renene.2020.03.188
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
Advanced sensors, information and communication technology and distributed computing is widely and deeply integrated into the power distribution network to achieve the effective operation and control of large amount of distributed energy resources (DER). The power distribution network becomes a typical cyber physical system (CPS), called as the cyber-physical distribution network (CPDN). A reliability assessment method for CPDN considering the interdependence between physical system and cyber system in the whole fault processing is proposed in this paper. The reliability model of the sequential fault processing and corresponding results considering the cyber impact is established based on the fault tree. Two indices are proposed to evaluate the cyber impact on the dispatch ability of distributed generation. Improved RBTS BUS6 system is taken as the study case of CPDN to illustrate the proposed method and the impact of cyber system reliability, penetration level and location of distributed generation, and the penetration level of electric vehicles taking part in the demand response are analyzed. (C) 2020 Elsevier Ltd. All rights reserved.
引用
收藏
页码:1411 / 1424
页数:14
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