Résumé

Power line Frequency and Time dependent Grid Impedance (FTdGI) influences the propagation of the Power Line Communication (PLC) signals and impacts the communication with Smart Meters. The precise measurement of the power line impedance is ill-defined and only possible with a limited number of instruments. This paper presents the results of the Z-NET project aiming to establish a metrological traceable grid impedance standard that enables the objective comparison of the proposed measuring techniques. A Static Impedance Reference (SIR) was defined, built, and characterized. Comparative results of measurements with five different impedance analysers are presented.

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