6 papers
Fair Allocation of Operating Envelopes for Distribution Networks Considering Voltage Unbalance
Alireza Zabihi, Maurizio Vassallo, Damien Ernst +2
Operating envelopes (OEs) are increasingly used to allocate limits to distributed energy resources (DERs) while maintaining secure distribution network operation. In unbalanced low…
Voltage Unbalance-Aware AC Optimal Power Flow in Distribution Networks
Alireza Zabihi, Luis Badesa, Araceli Hernandez
The increasing penetration of single-phase loads and distributed generation exacerbates voltage unbalance (VU) in distribution grids, raising concerns about power quality and compl…
On the Impact of Voltage Unbalance on Distribution Locational Marginal Prices
Alireza Zabihi, Luis Badesa, Araceli Hernandez
Finding clear economic signals for distribution-network operation and expansion is increasingly important as single-phase loads and distributed energy resources escalate. These dev…
Least-Cost Overvoltage Control in PV-Rich Distribution Networks via Unbalanced Optimal Power Flow
Andrea Espinosa del Pozo, Araceli Hernandez, Luis Badesa
The increasing penetration of photovoltaic (PV) generation in low-voltage distribution networks presents operational challenges, with overvoltages being among the most critical. Th…
Evaluating the Impact of a Load Admittance Approximation in Transient Stability-Constrained Optimal Power Flow
Alex Junior da Cunha Coelho, Araceli Hernandez, Luis Badesa
The Transient Stability-Constrained Optimal Power Flow (TSC-OPF) incorporates dynamic stability constraints into the OPF formulation to ensure secure and economical operation under…
Evaluation of Voltage Unbalance Metrics in Distribution Networks with High DER Penetration
Alireza Zabihi, Luis Badesa, Araceli Hernandez
Voltage unbalance, caused by variations in voltage magnitude and phase angle, is a significant power quality issue in three-phase systems, leading to equipment inefficiencies and i…