Diagnostic potential of free-space radiometric partial discharge measurements

Jaber, A. and Lazaridis, P. and Saeed, B. and Mather, P. and Vieira, M. F. Q. and Atkinson, R. and Tachtatzis, C. and Iorkyase, E. and Judd, M. and Glover, I. A. (2017) Diagnostic potential of free-space radiometric partial discharge measurements. In: 2017 XXXIInd General Assembly and Scientific Symposium of the International Union of Radio Science. IEEE, Piscataway, NJ. ISBN 9789082598704

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    Abstract

    The work reported in this paper addresses the calibration of four types of partial discharge (PD) emulator required for the development of a PD Wireless Sensor Network (WSN). Three partial discharge (PD) emulators have been constructed: a floating-electrode emulator, and two internal PD emulators. Both DC and AC HV power supplies are used to initiate PD which is measured using concurrent free-space radiometry (FSR) and a galvanic contact method based on the IEC 60270 standard. A new method of estimating absolute PD activity level from a radiometric measurement is proposed.