OpenEdgePMU: An Open PMU Architecture with Edge Processing for Future Resilient Smart Grids

Nikolaos-Antonios I. Livanos, Sami Hammal, Nikolaos Giamarelos, Vagelis Alifragkis, Constantinos S. Psomopoulos and Elias N. Zois ()
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Nikolaos-Antonios I. Livanos: Department of Electrical and Electronic Engineering, University of West Attica, Thivon 250, Aigaleo, 122 41 Athens, Greece
Sami Hammal: EMTECH SPACE P.C., Korinthou 32 & S. Davaki, Metamorfosi, 144 51 Athens, Greece
Nikolaos Giamarelos: Department of Electrical and Electronic Engineering, University of West Attica, Thivon 250, Aigaleo, 122 41 Athens, Greece
Vagelis Alifragkis: EMTECH SPACE P.C., Korinthou 32 & S. Davaki, Metamorfosi, 144 51 Athens, Greece
Constantinos S. Psomopoulos: Department of Electrical and Electronic Engineering, University of West Attica, Thivon 250, Aigaleo, 122 41 Athens, Greece
Elias N. Zois: Department of Electrical and Electronic Engineering, University of West Attica, Thivon 250, Aigaleo, 122 41 Athens, Greece

Energies, 2023, vol. 16, issue 6, 1-29

Abstract: The increase in renewable energy sources (RESs) in distribution grids is a major driver for achieving green energy goals worldwide. However, RES power inverters affect power quality, increase power losses, and, in certain cases, may cause power interruptions due to harmonics, deterioration of the rate of change of frequency, and inability to rapidly react in grid faults. Today, phasor measurement units (PMUs) are the ultimate tools for real-time monitoring of distribution grids’ health, and they enable several data-driven added-value services such as fast and automated fault detection, isolation, and recovery; state estimation; power quality monitoring; dynamic events analysis, etc. The present paper proposes an open hardware and software PMU platform, which is low cost, high performance, expandable, and, in general, suitable for research and innovation activities. The system is based on two processor modules (a digital signal processor from Texas Instruments TMS320c5517, and a microprocessor System-in-Package from Octavo Systems OSD3358), two local databases of 64 Gbytes each, GPS module, 5G modem interface, as well as analog and signal conditioning circuits to interface three-phase power voltage and current signals. The entire hardware design, schematics, and instrumentation components, as well as all firmware and software functions are completely open source. Pilot operation of the prototype design has been installed in three medium-/low-voltage substations in Cyprus, as well as twelve substations in Spain and Italy.

Keywords: phasor measurement unit; smart grids; microgrids; rate of change of frequency; frequency measurements; edge processing; power quality processing (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: 2023
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