Risk assessment of multi-timescale cascading outages based on Markovian tree search

R Yao, S Huang, K Sun, F Liu, X Zhang… - … on Power Systems, 2016 - ieeexplore.ieee.org
In the risk assessment of cascading outages, the rationality of simulation and efficiency of
computation are both of great significance. To overcome the drawback of sampling-based …

Toward simulation and risk assessment of weather-related outages

R Yao, K Sun - IEEE Transactions on Smart Grid, 2018 - ieeexplore.ieee.org
Weather and environmental factors have played significant roles in historical major outages
and blackouts in interconnected power systems and should be considered in simulation and …

Optimal operation of DC networks to support power system outage management

RT Pinto, M Aragüés-Peñalba… - … on Smart Grid, 2016 - ieeexplore.ieee.org
The penetration of dc networks for different applications in power systems is increasing. This
paper presents a novel methodology for security-constrained optimal power flow (SCOPF) …

Management of cascading outage risk based on risk gradient and Markovian tree search

R Yao, K Sun, F Liu, S Mei - IEEE Transactions on Power …, 2017 - ieeexplore.ieee.org
Since cascading outages are major threats to power systems, it is important to reduce the
risk of potential cascading outages. In this paper, a risk management method of cascading …

A risk‐based multi‐step corrective control method for mitigation of cascading failures

Y Liu, T Wang, X Gu - IET Generation, Transmission & …, 2022 - Wiley Online Library
Minimizing the risk of cascading failures in a power system is vital to balance the operational
economy and security. A multi‐step corrective control (MSCC) method is proposed to …

Quantifying the influence of component failure probability on cascading blackout risk

J Guo, F Liu, J Wang, M Cao… - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
The risk of cascading blackouts greatly relies on failure probabilities of individual
components in power grids. To quantify how component failure probability (CFP) influences …

Hierarchical blocking control for mitigating cascading failures in power systems with wind power integration

L Cheng, T Wang, Y Wu, Z Gao, N Ji - Energies, 2024 - mdpi.com
The increasing uncertainty of wind power brings greater challenges to the control for
mitigation of cascading failures. In order to minimize the risk of cascading failures in large …

柔性直流电网潮流转移特性及安全运行影响分析

王子文, 张英敏, **保宏, 刘天琪, **峰 - 电力系统保护与控制, 2022 - epjournal.csee.org.cn
直流电网潮流大范围转移可能导致换流站运行于安全边界之外, 进而引发直流系统连锁故障.
为厘清不同情况下直流系统潮流分布转移特性及其对安全运行的影响, 首先在主从控制 …

Multi-timescale Simulation, Risk Assessment, and Mitigation of Cascading Outages

R Yao, K Sun, F Liu, S Mei, S Huang - Cascading Failures in Power Grids …, 2023 - Springer
Cascading outages in electric power grids are dependent outage processes triggered by
one or a set of initial faults. Cascading outages gradually impact and deteriorate …

Probabilistic Analytics of Cascading Failures: Modeling, Assessment, and Application

Q Long, J Guo, Y Hou, F Liu - Cascading Failures in Power Grids: Risk …, 2023 - Springer
This chapter delves into the probabilistic analytics of cascading failures in power grids. The
primary focus is establishing an analytic model that leverages the Markov property, which …