5 papers
Security-Constrained Substation Reconfiguration Considering Busbar and Coupler Contingencies
Ali Rajaei, Jochen L. Cremer
Substation reconfiguration via busbar splitting can mitigate transmission grid congestion and reduce operational costs. However, existing approaches neglect the security of substat…
Addressing Model Inaccuracies in Transmission Network Reconfiguration via Diverse Alternatives
Paul Bannmüller, Périne Cunat, Ali Rajaei +1
The ongoing energy transition places significant pressure on the transmission network due to increasing shares of renewables and electrification. To mitigate grid congestion, trans…
Transferable Graph Learning for Transmission Congestion Management via Busbar Splitting
Ali Rajaei, Peter Palensky, Jochen L. Cremer
Network topology optimization (NTO) via busbar splitting can mitigate transmission grid congestion and reduce redispatch costs. However, solving this mixed-integer nonlinear proble…
Towards Generalization of Graph Neural Networks for AC Optimal Power Flow
Olayiwola Arowolo, Jochen L. Cremer
AC Optimal Power Flow (ACOPF) is computationally intensive for large-scale grids, often requiring prohibitive solution times with conventional solvers. Machine learning offers sign…
Multi-Objective Reinforcement Learning for Power Grid Topology Control
Thomas Lautenbacher, Ali Rajaei, Davide Barbieri +2
Transmission grid congestion increases as the electrification of various sectors requires transmitting more power. Topology control, through substation reconfiguration, can reduce…