Calibration of free-space radiometric partial discharge measurements

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 suppl...

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Bibliographic Details
Published in:IEEE transactions on dielectrics and electrical insulation 2017-10, Vol.24 (5), p.3004-3014
Main Authors: Jaber, Adel A., Lazaridis, Pavlos I., Moradzadeh, Mohammad, Glover, Ian A., Zaharis, Zaharias D., Vieira, Maria F. Q., Judd, Martin D., Atkinson, Robert C.
Format: Article
Language:English
Subjects:
Antenna measurements
Biconical antenna
Calibration
Current measurement
Discharge
Electric power supplies
Electrodes
Emulators
Floating structures
Frequency measurement
FSR measurement
galvanic contact measurement
Insulation
partial discharge
Partial discharge measurement
Partial discharges
PD emulator calibration
PD intensity measurement
Radiometry
Remote sensors
Wireless sensor networks
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Summary: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.
ISSN:1070-9878
1558-4135
DOI:10.1109/TDEI.2017.006730