A network topology optimization model based on substation and node-breaker modeling

M Heidarifar, H Ghasemi - IEEE Transactions on Power …, 2015 - ieeexplore.ieee.org
In power system operation, network topology optimization (NTO) based on bus-branch
model and opening/closing transmission lines has been previously proposed and utilized as …

An optimal transmission line switching and bus splitting heuristic incorporating AC and N-1 contingency constraints

M Heidarifar, P Andrianesis, P Ruiz… - International Journal of …, 2021 - Elsevier
Optimal transmission line switching and/or bus splitting is shown to contribute in relieving
congestion and reducing the operation cost by rerouting power flows throughout the …

Optimal network topology for node-breaker representations with AC power flow constraints

B Park, CL Demarco - IEEE Access, 2020 - ieeexplore.ieee.org
It has been demonstrated that network topology optimization (NTO) may change the
topology of power system networks, and consequently, provide additional flexibility to …

Toward online bus-bar splitting for increasing load margins to static stability limit

L Wang, HD Chiang - IEEE Transactions on Power Systems, 2016 - ieeexplore.ieee.org
The effect of bus-bar splitting on the static stability limit is studied in this paper. A novel
online bus-bar splitting methodology is developed to increase the static stability limit of a …

Security constrained OPF utilizing substation reconfiguration and busbar splitting

B Morsy, A Hinneck, D Pozo, J Bialek - Electric Power Systems Research, 2022 - Elsevier
Power system network topology reconfiguration can reduce the cost of relieving network
congestion. In this work, N-1 Security-Constrained Optimal Power Flow that utilizes …

Transmission congestion management via Node-breaker topology control

S Babaeinejadsarookolaee, B Park… - IEEE Systems …, 2023 - ieeexplore.ieee.org
A novel topology control algorithm is proposed here to reduce congestion and overloads,
thereby improving security margins in a power network. The proposed heuristic relies on …

Shift factor-based SCOPF topology control MIP formulations with substation configurations

EA Goldis, PA Ruiz, MC Caramanis, X Li… - … on Power Systems, 2016 - ieeexplore.ieee.org
Topology control (TC) is an effective tool for managing congestion, contingency events, and
overload control. The majority of TC research has focused on line and transformer switching …

Adaptive robust optimal transmission switching considering the uncertainty of net nodal electricity demands

MH Taheri, S Dehghan, M Heidarifar… - IEEE Systems …, 2015 - ieeexplore.ieee.org
This paper presents an adaptive robust optimal transmission switching (AR-OTS) approach
to cope with the uncertain nature of net nodal electricity demands. The proposed AR-OTS …

Bus-bar splitting for enhancing voltage stability under contingencies

L Wang, HD Chiang - Sustainable Energy, Grids and Networks, 2023 - Elsevier
As one of the network topology optimization ways, bus-bar splitting has been applied for
various purposes. In this paper, the performance of bus-bar splitting on a look-ahead (ie …

An extended optimal transmission switching algorithm adapted for large networks and hydro-electric context

J Bélanger, LA Dessaint, I Kamwa - IEEE Access, 2020 - ieeexplore.ieee.org
Previous works have shown that the best topology of an electrical network depends on the
total demand and its distribution. Optimal Transmission Switching (OTS) identifies lines to be …