89 citations · 133 across the 17 of their papers we have counts for
19 papers
Interactive Power Flow in the Browser
Samuel Talkington, Frederik Geth, Qian Zhang +2
This paper introduces tellegen, an open source framework for interactive power flow (PF) and optimal power flow (OPF) studies that run in the browser. This provides intuitive and d…
The Inverse Carson's Equations Problem: Definition, Implementation and Numerical Experiments
Ching Hong Tam, Frederik Geth, Nadarajah Mithulananthan
In recent years, with the increase in renewable energy and storage penetration, power flow studies in low-voltage networks have become of interest in both industry and academia. Ma…
Improved Algebraic Inverter Modelling for Four-Wire Power Flow Optimization
Rahmat Heidari, Frederik Geth
This paper discusses the modeling of inverters used in distributed energy resources in steady state. Modeling the interaction between distribution grids and inverter-based resource…
Making Distribution State Estimation Practical: Challenges and Opportunities
Frederik Geth, Marta Vanin, Werner Van Westering +2
In increasingly digitalized and metered distribution networks, state estimation is generally recognized as a key enabler of advanced network management functionalities. However, de…
Data quality challenges in existing distribution network datasets
Frederik Geth, Marta Vanin, Dirk Van Hertem
Existing digital distribution network models, like those in the databases of network utilities, are known to contain erroneous or untrustworthy information. This can compromise the…
An Open Optimal Power Flow Model for the Australian National Electricity Market
Rahmat Heidari, Matthew Amos, Frederik Geth
The Australian National Electricity Market (NEM) is a complex energy market that faces challenges due to the increasing number of distributed energy resources (DERs) and the transi…
On the Implementation of the Fixed Point Iteration Current Injection Method to Solve Four-Wire Unbalanced Power Flow in PowerModelsDistribution.jl
Frederik Geth, Sander Claeys, Rahmat Heidari
This report serves as a technology description of a Julia-based re-implementation of the fixed-point current injection algorithm, available in PowerModelsDistribution.jl [1]. This…
The Importance of Technical Distribution Network Limits in Dynamic Operating Envelopes
Tomislav Antic, Frederik Geth, Tomislav Capuder
End-users more often decide to invest in distributed generation (DG) units that help them in decreasing electricity bills and allow them to become a market player by selling the ex…
Pitfalls of Zero Voltage Values in Optimal Power Flow Problems
Frederik Geth
The existence of strictly positive lower bounds on voltage magnitude is taken for granted in optimal power flow problems. Nevertheless, it is not possible to rely on such bounds fo…
Combined Unbalanced Distribution System State and Line Impedance Matrix Estimation
Marta Vanin, Frederik Geth, Reinhilde D'hulst +1
To address the challenges that the decarbonization of the energy sector is bringing about, advanced distribution network management and operation strategies are being developed. Ma…
Computational Analysis of Impedance Transformations for Four-Wire Power Networks with Sparse Neutral Grounding
Frederik Geth, Rahmat Heidari, Arpan Koirala
In low-voltage distribution networks, the integration of novel energy technologies can be accelerated through advanced optimization-based analytics such as network state estimation…
Optimal Power Flow in Four-Wire Distribution Networks: Formulation and Benchmarking
Sander Claeys, Frederik Geth, Geert Deconinck
In recent years, several applications have been proposed in the context of distribution networks. Many of these can be formulated as an optimal power flow problem, a mathematical o…
Notes on BIM and BFM Optimal Power Flow With Parallel Lines and Total Current Limits
Frederik Geth, Bin Liu
The second-order cone relaxation of the branch flow model (BFM) and bus injection model (BIM) variants of optimal power flow are well-known to be equivalent for radial networks. In…
Load Balancing in Low-Voltage Distribution Networks via Optimizing Residential Phase Connections
Bin Liu, Frederik Geth, Nariman Mahdavi +1
Unbalance issues in low-voltage distribution networks (LVDN) can be worsened by increasing penetration of residential PV generation if unevenly distributed among three phases. To a…
Real-Value Power-Voltage Formulations of, and Bounds for, Three-Wire Unbalanced Optimal Power Flow
Frederik Geth, Hakan Ergun
Unbalanced optimal power flow refers to a class of optimization problems subject to the steady state physics of three-phase power grids with nonnegligible phase unbalance. Signific…
Improving Optimal Power Flow Relaxations Using 3-Cycle Second-Order Cone Constraints
Frederik Geth, James Foster
This paper develops a novel second order cone relaxation of the semidefinite programming formulation of optimal power flow, that does not imply the `angle relaxation'. We build on…
Realistic Differentially-Private Transmission Power Flow Data Release
David Smith, Frederik Geth, Elliott Vercoe +5
For the modeling, design and planning of future energy transmission networks, it is vital for stakeholders to access faithful and useful power flow data, while provably maintaining…
A Flexible Storage Model for Power Network Optimization
Frederik Geth, Carleton Coffrin, David M Fobes
This paper proposes a simple and flexible storage model for use in a variety of multi-period optimal power flow problems. The proposed model is designed for research use in a broad…
PowerModelsDistribution.jl: An Open-Source Framework for Exploring Distribution Power Flow Formulations
David M Fobes, Sander Claeys, Frederik Geth +1
In this work we introduce PowerModelsDistribution, a free, open-source toolkit for distribution power network optimization, whose primary focus is establishing a baseline implement…