Power systems optimization under uncertainty: A review of methods and applications

LA Roald, D Pozo, A Papavasiliou, DK Molzahn… - Electric Power Systems …, 2023 - Elsevier
Electric power systems and the companies and customers that interact with them are
experiencing increasing levels of uncertainty due to factors such as renewable energy …

A survey on conic relaxations of optimal power flow problem

F Zohrizadeh, C Josz, M **, R Madani, J Lavaei… - European journal of …, 2020 - Elsevier
Conic optimization has recently emerged as a powerful tool for designing tractable and
guaranteed algorithms for power system operation. On the one hand, tractability is crucial …

A survey of relaxations and approximations of the power flow equations

DK Molzahn, IA Hiskens - Foundations and Trends® in …, 2019 - nowpublishers.com
The power flow equations relate the power injections and voltages in an electric power
system and are therefore key to many power system optimization and control problems …

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 …

Robust AC optimal power flow with robust convex restriction

D Lee, K Turitsyn, DK Molzahn… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Electric power grids regularly experience uncertain fluctuations from load demands and
renewables, which poses a risk of violating operational limits designed to safeguard the …

Grid-aware aggregation and realtime disaggregation of distributed energy resources in radial networks

N Nazir, M Almassalkhi - IEEE Transactions on Power Systems, 2021 - ieeexplore.ieee.org
Dispatching a fleet of distributed energy resources (DERs) in response to wholesale energy
market or regional grid signals requires solving a challenging disaggregation problem when …

Efficient creation of datasets for data-driven power system applications

A Venzke, DK Molzahn, S Chatzivasileiadis - Electric Power Systems …, 2021 - Elsevier
Advances in data-driven methods have sparked renewed interest for applications in power
systems. Creating datasets for successful application of these methods has proven to be …

High-Dimensional Steady-State Security Region Boundary Approximation in Power Systems using Feature Non-Linear Converter and Improved Oblique Decision …

Y Dai, J Zhang, P Xu, T Gao… - Journal of Modern Power …, 2024 - ieeexplore.ieee.org
The steady-state security region (SSR) offers robust support for the security assessment and
control of new power systems with high uncertainty and fluctuation. However, accurately …

An AC-feasible linear model in distribution networks with energy storage

W Lin, Y Chen, Q Li, C Zhao - IEEE Transactions on Power …, 2023 - ieeexplore.ieee.org
With the increasing deployment of distributed energy resources (DERs), dispatching DERs
subject to operational constraints in distribution networks draws much attention. One …

Providing distributed flexibility for curative transmission system operation using a scalable robust optimization approach

T Kolster, S Niessen, M Duckheim - Electric Power Systems Research, 2022 - Elsevier
Managing flexibility across transmission and distribution system boundaries unlocks
degrees of freedom for efficient system operation. It is attractive to use this freedom for …