The development trends of electrical networks clearly indicate that grids of the future will include more and more smart components. In the new smart grids, smart components fulfill measurement and control tasks: in this scenario, not only the simple energy consumption, but also other parameters have to be measured. Among these parameters certainly there is the quality of energy. Therefore new smart meters have to face the issue of measuring energy consumption and energy quality over a wide frequency range. The first part of an electric meter are voltage and current transducers. So, in this paper an electronic instrument transducer for medium voltage networks with fiber optic insulation is presented. Its design, simulation and experimental characterization are shown.
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