no code implementations • 20 Nov 2023 • Md Umar Hashmi, Simon Nagels, Dirk Van Hertem
Operational flexibility needs assessment (FNA) is crucial for system operators to plan/procure flexible resources in order to avoid probable network issues.
1 code implementation • 20 Nov 2023 • Matthew Deakin, Marta Vanin, Zhong Fan, Dirk Van Hertem
Power meter data and a network model are shown to be necessary for developing algorithms that enable decision-making that is robust to real-world uncertainties, with possibilities and challenges of Digital Twin development clearly demonstrated.
no code implementations • 1 Aug 2023 • 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.
no code implementations • 22 May 2023 • Md Umar Hashmi, Dirk Van Hertem
With growing intermittency and uncertainty in distribution networks around the world, ensuring operational integrity is becoming challenging.
1 code implementation • 6 Mar 2023 • Marta Vanin, Tom Van Acker, Reinhilde D'hulst, Dirk Van Hertem
State estimation allows to monitor power networks, exploiting field measurements to derive the most likely grid state.
no code implementations • 10 Jan 2023 • Md Umar Hashmi, David Brummund, Rickard Lundholm, Arpan Koirala, Dirk Van Hertem
The phase identification framework based on consensus algorithms for DN zones is scalable for large DN and robust towards measurement errors as the estimation is not dependent on a single measurement point.
no code implementations • 3 Jan 2023 • Stephen Hardy, Andreas Themelis, Kaoru Yamamoto, Hakan Ergun, Dirk Van Hertem
To this end a multi-period, stochastic GATE planning formulation is developed for both nodal and zonal market designs.
no code implementations • 11 Nov 2022 • Chandra Kant Jat, Jay Dave, Dirk Van Hertem, Hakan Ergun
Bipolar HVDC grids can be operated in an unbalanced way during single pole outages or in form of mixed monopolar and bipolar grids.
no code implementations • 22 Sep 2022 • Marta Vanin, Frederik Geth, Reinhilde D'hulst, Dirk Van Hertem
To address the challenges that the decarbonization of the energy sector is bringing about, advanced distribution network management and operation strategies are being developed.
no code implementations • 21 Jul 2022 • Md Umar Hashmi, Arpan Koirala, Hakan Ergun, Dirk Van Hertem
A framework is required to avoid over or under procurement of flexibility in the presence of uncertainty.
no code implementations • 21 Jul 2022 • Md Umar Hashmi, Deepjyoti Deka, Ana Bušić, Dirk Van Hertem
To mitigate issues related to the growth of variable smart loads and distributed generation, distribution system operators (DSO) now make it binding for prosumers with inverters to operate under pre-set rules.
no code implementations • 21 Jul 2022 • Md Umar Hashmi, Arpan Koirala, Hakan Ergun, Dirk Van Hertem
{A curtailable and flexible resource activation framework for solving distribution network (DN) voltage and thermal congestions is used to quantify three important aspects with respect to modelling low voltage networks.}
2 code implementations • 16 Jun 2022 • Marta Vanin, Tom Van Acker, Reinhilde D'hulst, Dirk Van Hertem
To address the challenges and exploit the opportunities that the decarbonization of the energy sector is bringing about, advanced distribution network management and operation strategies are being developed.
no code implementations • 16 May 2022 • Md Umar Hashmi, Arpan Koirala, Hakan Ergun, Dirk Van Hertem
In this work, we propose a network-state driven framework that distribution system operators (DSOs) can utilize for activating flexible and curtailable resources for alleviating network voltage and thermal issues, while accounting for network voltage and current imbalances.
no code implementations • 20 Apr 2022 • Marta Vanin, Tom Van Acker, Hakan Ergun, Reinhilde D'hulst, Koen Vanthournout, Dirk Van Hertem
From a planning perspective, the results can help the system operator define contractual terms that make a specific congestion mitigation scheme effective and viable.
1 code implementation • 13 Apr 2022 • Alexander Hoogsteyn, Marta Vanin, Arpan Koirala, Dirk Van Hertem
If power data is available too, the novel ensemble method can improve the accuracy of the phase identification obtained from voltage data alone.
no code implementations • 19 Feb 2022 • Md Umar Hashmi, Arpan Koirala, Rickard Lundholm, Hakan Ergun, Dirk Van Hertem
We observe that phase magnitude-based unbalance metrics reasonably approximate the true unbalance for higher R/X ratios with a varying load power factor in a DN.
3 code implementations • 23 Nov 2020 • Marta Vanin, Tom Van Acker, Reinhilde D'hulst, Dirk Van Hertem
State estimation plays a key role in the transition from the passive to the active operation of distribution systems, as it allows to monitor these networks and, successively, to perform control actions.