Jaber, Adel, Lazaridis, Pavlos, Moradzadeh, Mohammad, Glover, Ian, Zaharis, Zaharias D., Vieira, M F Q, Judd, M and Atkinson, R (2017) Calibration of Free-Space Radiometric Partial Discharge Measurements. IEEE Transactions on Dielectrics and Electrical Insulation, 24 (5). pp. 3004-3014. ISSN 1070-9878

The present study addresses the calibration of four types of partial discharge (PD) emulators used in the development of a PD Wireless Sensor Network (WSN). Three PD emulators have been constructed: a floating-electrode emulator, and two internal PD emulators. Both DC and AC high-voltage 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. The emulators have been measured and simulated, and a good agreement has been found for the radiated fields. A new method of estimating the absolute PD activity level from radiometric measurements is proposed.

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