Testing Smart Grid Scenarios with Small Volume Testbed and Flexible Power Inverter

Milosz Krysik, Krzysztof Piotrowski and Krzysztof Turchan
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Milosz Krysik: IHP—Leibniz Institute for High Performance Microelectronics, 15236 Frankfurt, Germany
Krzysztof Piotrowski: IHP—Leibniz Institute for High Performance Microelectronics, 15236 Frankfurt, Germany
Krzysztof Turchan: IHP—Leibniz Institute for High Performance Microelectronics, 15236 Frankfurt, Germany

Energies, 2022, vol. 15, issue 2, 1-20

Abstract: The growing penetration of Renewable Energy Sources (RES) due to the transition to future smart grid requires a huge number of power converters that participate in the power flow. Each of these devices needs the use of a complex control and communication system, thus a platform for testing real-life scenarios is necessary. Several test techniques have been so far proposed that are subject to a trade-off between cost, test coverage, and test fidelity. This paper presents an approach for testing microgrids, by developing an emulator, with emphasis on the micro-inverter unit and the possibility of flexible configuration for different grid topologies. In contrast to other approaches, our testbed is characterized by small volume and significantly scaled-down voltages for safety purposes. The examination is concentrated specifically on the inverter behavior. The test scenarios include behaviors in case of load changes, transition between grid-tied and islanded mode, connection and removal of subsequent inverters, and prioritization of inverters.

Keywords: microgrid (MG); smart grid (SG); power hardware in the loop (PHIL); power inverter; microgrid emulator (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: 2022
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