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Energies 2018, 11(12), 3381; https://doi.org/10.3390/en11123381

Comparison of Power Hardware-in-the-Loop Approaches for the Testing of Smart Grid Controls

1
Smart Grids Research Group, Ulm University of Applied Sciences, 89075 Ulm, Germany
2
AIT Austrian Institute of Technology, Electric Energy Systems—Center for Energy, 1210 Vienna, Austria
*
Author to whom correspondence should be addressed.
Received: 25 October 2018 / Revised: 23 November 2018 / Accepted: 26 November 2018 / Published: 3 December 2018
(This article belongs to the Special Issue Methods and Concepts for Designing and Validating Smart Grid Systems)
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Abstract

The fundamental changes in the energy sector, due to the rise of renewable energy resources and the possibilities of the digitalisation process, result in the demand for new methodologies for testing Smart Grid concepts and control strategies. Using the Power Hardware-in-the-Loop (PHIL) methodology is one of the key elements for such evaluations. PHIL and other in-the-loop concepts cannot be considered as plug’n’play and, for a wider adoption, the obstacles have to be reduced. This paper presents the comparison of two different setups for the evaluation of components and systems focused on undisturbed operational conditions. The first setup is a conventional PHIL setup and the second is a simplified setup based on a quasi-dynamic PHIL (QDPHIL) approach which involves fast and continuously steady state load flow calculations. A case study which analyses a simple superimposed voltage control algorithm gives an example for the actual usage of the quasi-dynamic setup. Furthermore, this article also provides a comparison and discussion of the achieved results with the two setups and it concludes with an outlook about further research. View Full-Text
Keywords: Hardware-in-the-Loop; Software-in-the-Loop; Power-Hardware-in-the-Loop; Quasi-Dynamic Power-Hardware-in-the-Loop; smart grids; real-time simulation; validation and testing; decentralised energy system; smart grids control strategies Hardware-in-the-Loop; Software-in-the-Loop; Power-Hardware-in-the-Loop; Quasi-Dynamic Power-Hardware-in-the-Loop; smart grids; real-time simulation; validation and testing; decentralised energy system; smart grids control strategies
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Ebe, F.; Idlbi, B.; Stakic, D.E.; Chen, S.; Kondzialka, C.; Casel, M.; Heilscher, G.; Seitl, C.; Bründlinger, R.; Strasser, T.I. Comparison of Power Hardware-in-the-Loop Approaches for the Testing of Smart Grid Controls. Energies 2018, 11, 3381.

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