Functional Analysis of the Microgrid Concept Applied to Case Studies of the Sundom Smart Grid

Katja Sirviö, Kimmo Kauhaniemi, Aushiq Ali Memon, Hannu Laaksonen and Lauri Kumpulainen
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Katja Sirviö: School of Technology and Innovations, University of Vaasa, Wolffintie 34, FI-65200 Vaasa, Finland
Kimmo Kauhaniemi: School of Technology and Innovations, University of Vaasa, Wolffintie 34, FI-65200 Vaasa, Finland
Aushiq Ali Memon: School of Technology and Innovations, University of Vaasa, Wolffintie 34, FI-65200 Vaasa, Finland
Hannu Laaksonen: School of Technology and Innovations, University of Vaasa, Wolffintie 34, FI-65200 Vaasa, Finland
Lauri Kumpulainen: School of Technology and Innovations, University of Vaasa, Wolffintie 34, FI-65200 Vaasa, Finland

Energies, 2020, vol. 13, issue 16, 1-31

Abstract: The operation of microgrids is a complex task because it involves several stakeholders and controlling a large number of different active and intelligent resources or devices. Management functions, such as frequency control or islanding, are defined in the microgrid concept, but depending on the application, some functions may not be needed. In order to analyze the required functions for network operation and visualize the interactions between the actors operating a particular microgrid, a comprehensive use case analysis is needed. This paper presents the use case modelling method applied for microgrid management from an abstract or concept level to a more practical level. By utilizing case studies, the potential entities can be detected where the development or improvement of practical solutions is necessary. The use case analysis has been conducted from top-down until test use cases by real-time simulation models. Test use cases are applied to a real distribution network model, Sundom Smart Grid, with measurement data and newly developed controllers.. The functional analysis provides valuable results when studying several microgrid functions operating in parallel and affecting each other. For example, as shown in this paper, ancillary services provided by an active customer may mean that both the active power and reactive power from customer premises are controlled at the same time by different stakeholders.

Keywords: smart grids; microgrids; control; use case (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2020
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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