The topological model of power grids is established by defining the impedance of transmission lines and transformers as connection weights. The indices of centrality characteristics of power grids are given. The critical threshold model of cascading failures in power grids is explored based on the ...
Analysis of successive commutation failure influence on power angle stability of large power grid Successive commutation failure seriously threatens the safe operation of large AC/DC power grids, which may lead to cascading failures across regional powe... M Wang,Y Zhu,Z Jia,... - IOP Publishing...
Severe weather events frequently result in large-scale power failures, affecting millions of people for extended durations. However, the lack of comprehensive, detailed failure and recovery data has impeded large-scale resilience studies. Here, we analyse data from four major service regions representin...
The power grid dispatching and control system undertakes the monitoring and control tasks of the power grid equipment. In order to monitor and analyze power grid equipment failures, we need to diagnose the equipment faulty conditions in time, and execute corresponding maintenance, which aims to serio...
Typically, reliability studies calculate the probability of power outages in the high-voltage transmission system, given demand characteristics and the probability of unexpected generator failures. This probability, referred to as a loss-of-load probability, requires detailed information on electricity ...
Cai Y, Li Y, Cao Y, Li W, Zeng X (2017) Modeling and impact analysis of interdependent characteristics on cascading failures in smart grids. Int J... Y Cai,Y Li,Y Cao,... - 《International Journal of Electrical Power & Energy Systems》 被引量: 12发表: 2017年 Branching Process base...
Cyber-Physical Security Testbed for Substations in a Power Grid The physical system of the power grids relies on the cyber system for monitoring, control, and operation. As a result, the reliable operation of power grid... J Hong,C Ying,CC Liu,... - Springer Berlin Heidelberg 被引量: 13...
Despite the critical need in developing protection or mitigation strategies in networks such as power grids and transportation, the propagation behavior of cascading failures is essentially unknown. Here we find by analyzing our collected data that jams in city traffic and faults in power grid are ...
Many methods have been purposed to use topological structures of power grids for analyzing contingency states. Considering failures of buses and lines, we present and compare several graph methods for selecting contingencies in this paper. A new method, called critical node detection, is introduced ...
Dynamic modeling and analysis on cascading failure of complex power grids; 复杂电力网络的连锁故障动态模型与分析 2. Risk assessment of cascading failure in power system based on fuzzy neural network; 基于模糊神经网络的电力系统连锁故障风险评估 3. Review of cascading failures in electric power networ...