Fallback Strategies in Operation Control of Microgrids with Communication Failures

This paper proposes a model predictive control (MPC)-based energy management system to address communication failures in an islanded microgrid (MG). The energy management system relies on a communication network to monitor and control power generation in the units. A communication failure to a unit...

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Bibliographic Details
Published inarXiv.org
Main Authors Löser, Inga, Sampathirao, Ajay Kumar, Hofmann, Steffen, Raisch, Joerge
Format Paper
LanguageEnglish
Published Ithaca Cornell University Library, arXiv.org 10.12.2019
Subjects
Communication
Communications systems
Control systems
Distributed generation
Electric power grids
Energy management
Failure
Predictive control
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Summary:This paper proposes a model predictive control (MPC)-based energy management system to address communication failures in an islanded microgrid (MG). The energy management system relies on a communication network to monitor and control power generation in the units. A communication failure to a unit inhibits the ability of the MPC to change the power of the unit. However, this unit is electrically connected to the network and ignoring this aspect could have adverse effect in the operation of the microgrid. Therefore, this paper considers an MPC design that includes the electrical connectivity of the unit during communication failures. This paper also highlights the benefit of including the lower layer control behaviour of the MG to withstand communication failures. The proposed approaches are validated with a case study.
ISSN:2331-8422