Igyso, Z;
Ionela, P;
Boem, F;
Laurent, L;
(2020)
Handling Power Losses in a DC Microgrid through Constrained Optimization.
In:
IFAC-PapersOnLine.
(pp. pp. 12956-12961).
Elsevier
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Abstract
This paper extends a hierarchical control approach for power balancing in a meshed DC microgrid while minimizing the power losses in the central transmission network. The control strategy is divided into three layers in hierarchical framework: i) the high level solves a continuous-time optimization problem which minimizes the DC-bus power loss and the electricity cost from the external grid power purchase through the combined use of differential flatness with B-splines parametrization; ii) the middle level employs a tracking Model Predictive Control (MPC) method which mitigates the discrepancies among the optimal and the actual profiles; iii) the low level controller handles the switching activity of the converters. The proposed approach is validated in simulation for a specific meshed DC microgrid system.
| Type: | Proceedings paper |
|---|---|
| Title: | Handling Power Losses in a DC Microgrid through Constrained Optimization |
| Event: | IFAC World Congress |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1016/j.ifacol.2020.12.2133 |
| Publisher version: | https://doi.org/10.1016/j.ifacol.2020.12.2133 |
| Language: | English |
| Additional information: | © 2020 The Authors. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0) |
| Keywords: | DC microgrid, Power dissipation, Load balancing, Differential flatness, MPC |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices > UCL BEAMS UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Electronic and Electrical Eng |
| URI: | https://discovery.ucl.ac.uk/id/eprint/10104109 |
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