Ahead of Print article · Journal article
Active Distribution Grid Management based on Robust AC Optimal Power Flow
Department of Electrical Engineering, Technical University of Denmark1
Center for Electric Power and Energy, Centers, Technical University of Denmark2
Energy Analytics and Markets, Center for Electric Power and Energy, Centers, Technical University of Denmark3
Instituto de Engenharia de Sistemas e Computadores do Porto4
Électricité de France S.A.5
Further integration of distributed renewable energy sources in distribution systems requires a paradigm change in grid management by the distribution system operators (DSO). DSOs are currently moving to an operational planning approach based on activating flexibility from distributed energy resources in day/hour-ahead stages.
This paper follows the DSO trends by proposing a methodology for active grid management by which robust optimization is applied to accommodate spatial-temporal uncertainty. The proposed method entails the use of a multi-period AC-OPF, ensuring a reliable solution for the DSO. Wind and PV uncertainty is modeled based on spatial-temporal trajectories, while a convex hull technique to define uncertainty sets for the model is used.
A case study based on real generation data allows illustration and discussion of the properties of the model. An important conclusion is that the method allows the DSO to increase system reliability in the real-time operation. However, the computational effort grows with increases in system robustness.
| Language: | English |
|---|---|
| Publisher: | IEEE |
| Year: | 2018 |
| Pages: | 6229-6241 |
| ISSN: | 19493053 and 19493061 |
| Types: | Ahead of Print article and Journal article |
| DOI: | 10.1109/TSG.2017.2707065 |
| ORCIDs: | Soares, Tiago and Pinson, Pierre |
Decision-making Distribution system operator (DSO) Robust optimization SDG 7 - Affordable and Clean Energy Solar power Uncertainty Wind power
Capacitors DSO Optimization Real-time systems Robustness Wind power generation active distribution grid management active grid management convex hull technique distributed power generation distributed renewable energy sources distribution system operator distribution system operators distribution systems knowledge representation languages load flow multiperiod AC-OPF operational planning approach optimisation power distribution economics power distribution planning power generation planning power grids power system management power system security real generation data real-time operation renewable energy sources robust AC optimal power flow robust optimization solar power spatial-temporal trajectories spatial-temporal uncertainty system reliability system robustness uncertainty uncertainty sets wind power
