Recent developments in security-constrained AC optimal power flow: Overview of challenge 1 in the ARPA-E grid optimization competition

I Aravena, DK Molzahn, S Zhang… - Operations …, 2023 - pubsonline.informs.org
The optimal power-flow problem is central to many tasks in the design and operation of
electric power grids. This problem seeks the minimum-cost operating point for an electric …

Real-time contingency analysis with corrective transmission switching

X Li, P Balasubramanian… - … on Power Systems, 2016 - ieeexplore.ieee.org
Transmission switching (TS) has gained significant attention recently. However, barriers still
remain and must be overcome before the technology can be adopted by the industry. The …

Optimizing transmission infrastructure investments to support line de-energization for mitigating wildfire ignition risk

A Kody, R Piansky, DK Molzahn - arXiv preprint arXiv:2203.10176, 2022 - arxiv.org
Wildfires pose a growing risk to public safety in regions like the western United States, and,
historically, electric power systems have ignited some of the most destructive wildfires. To …

The interdependence between transmission switching and variable-impedance series FACTS devices

Y Sang, M Sahraei-Ardakani - IEEE Transactions on Power …, 2017 - ieeexplore.ieee.org
High congestion costs and new congestion patterns, formed by intermittent renewable
generation, demand for more efficient utilization of the transmission system. Transmission …

Computationally efficient adjustment of FACTS set points in DC optimal power flow with shift factor structure

M Sahraei-Ardakani… - IEEE Transactions on …, 2016 - ieeexplore.ieee.org
Enhanced utilization of the existing transmission network is a cheaper and paramount
alternative to building new transmission lines. Flexible ac transmission system (FACTS) …

Enhanced energy management system with corrective transmission switching strategy—Part I: Methodology

X Li, KW Hedman - IEEE Transactions on Power Systems, 2019 - ieeexplore.ieee.org
The flexibility in transmission networks is not fully utilized in existing energy management
systems (EMSs). Corrective transmission switching (CTS) is proposed in this two-part paper …

Effective power flow control via distributed FACTS considering future uncertainties

Y Sang, M Sahraei-Ardakani - Electric Power Systems Research, 2019 - Elsevier
Flexible AC transmission systems (FACTS) are important contributors to smart transmission
systems. They can offer some level of power flow control and enhance the transfer capability …

Stochastic optimization for AC optimal transmission switching with generalized Benders decomposition

T Lan, Z Zhou, W Wang, GM Huang - … Journal of Electrical Power & Energy …, 2021 - Elsevier
Optimal transmission switching is proposed in recent years to optimize the power system
operational cost in deterministic studies. With the rapid growth of renewable generations, the …

Stochastic optimal power flow with network reconfiguration: Congestion management and facilitating grid integration of renewables

X Li, Q Xia - 2020 IEEE/PES Transmission and Distribution …, 2020 - ieeexplore.ieee.org
There has been a significant growth of variable renewable generation in the power grid
today. However, the industry still uses deterministic optimization to model and solve the …

Reducing congestion-induced renewable curtailment with corrective network reconfiguration in day-ahead scheduling

AV Ramesh, X Li - 2020 IEEE Power & Energy Society General …, 2020 - ieeexplore.ieee.org
Renewable energy sources (RES) has gained a lot of interest recently. The limited
transmission capacity serving RES often leads to network congestion since they are located …