"As a consequence of increasing interest in power quality analysis, the measuring instruments used in electrical power systems are now charged with new tasks to be undertaken for which the equipment already installed or traditionally used are very unlikely to be adequate. Particular problems come from the first part of each electrical measurement chain: voltage and current transducer are profitably usable only in a narrow 50 400 Hz frequency range while for power quality analysis a much larger frequency range should be analyzable. This paper presents a voltage transducer prototype designed to be installed in medium voltage systems. The presented design criteria try to face both the bandwidth limitations and the accuracy problems that characterize commercial transducers commonly adopted. In addition, the presented implementation keeps the galvanic insulation characteristic, that is mandatory for this kind of equipment. Commercial components are used in the presented prototype to keep the budgetary requirement low. Some results of prototype characterization are presented in the last part of the paper."

Realization and Characterization of an Electronic Instrument Transducer for MV Networks with Fiber Optic Insulation

FIORUCCI, EDOARDO;BUCCI, Giovanni;Ciancetta F.
2013-01-01

Abstract

"As a consequence of increasing interest in power quality analysis, the measuring instruments used in electrical power systems are now charged with new tasks to be undertaken for which the equipment already installed or traditionally used are very unlikely to be adequate. Particular problems come from the first part of each electrical measurement chain: voltage and current transducer are profitably usable only in a narrow 50 400 Hz frequency range while for power quality analysis a much larger frequency range should be analyzable. This paper presents a voltage transducer prototype designed to be installed in medium voltage systems. The presented design criteria try to face both the bandwidth limitations and the accuracy problems that characterize commercial transducers commonly adopted. In addition, the presented implementation keeps the galvanic insulation characteristic, that is mandatory for this kind of equipment. Commercial components are used in the presented prototype to keep the budgetary requirement low. Some results of prototype characterization are presented in the last part of the paper."
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11697/88859
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