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Handling large power steps in real-time microgrid control via explicit power setpoints

Type of publication Peer-reviewed
Publikationsform Proceedings (peer-reviewed)
Author Rudnik Roman, Le Boudec Jean-Yves, Bernstein Andrey, Reyes-Chamorro Lorenzo, Paolone Mario,
Project Integration of Intermittent Widespread Energy Sources in Distribution Networks: Scalable and Reliable Real Time Control of Power Flows
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Proceedings (peer-reviewed)

Title of proceedings 2017 IEEE Manchester PowerTech
Place Manchester, United Kingdom
DOI 10.1109/ptc.2017.7980987

Open Access

URL https://ieeexplore.ieee.org/document/7980987
Type of Open Access Website

Abstract

We consider a microgrid with real-time control using explicit power-setpoints. Sudden power-steps, such as load disconnections or load in-rushes, directly affect the decisions of the microgrid controller that aims at avoiding voltage or line-ampacity violations. When trying to completely avoid these violations, the grid operation may be too restricted, which may lead to large suboptimality. However, temporary violations of the steady-state bounds are allowed by grid standards and could enable the exploitation of the flexibility of other resources to better control the system's state. In this paper, we propose a method by which such temporary violations are controlled so that they remain within the limits imposed by grid standards and safe operation. The method is experimentally tested and validated on a real microgrid.
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