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Sensors 2019, 19(4), 858; https://doi.org/10.3390/s19040858

A Novel Antenna for Partial Discharge Measurements in GIS Based on Magnetic Field Detection

Electrical Sustainable Energy, Delft University of Technology, 2600 GA Delft, The Netherlands
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Received: 23 November 2018 / Revised: 13 February 2019 / Accepted: 15 February 2019 / Published: 19 February 2019
(This article belongs to the Special Issue UHF and RF Sensor Technology for Partial Discharge Detection)
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Abstract

This paper presents a new concept for partial discharge measurements in gas insulated systems (GIS). The proposed technique uses a novel GIS magnetic antenna that measures the magnetic field produced by partial discharges (PD) propagating in GIS. The foundations of the measurement technique and the magnetic antenna design are presented together with laboratory measurements. The magnetic antenna performance and the sensitivity of the acquisition system are studied. The bandwidth of the measurement system is in the high frequency and very high frequency (HF–VHF) range. Laboratory experiments demonstrate the suitability of the novel magnetic antenna-based measuring system for PD in GIS for corona, surface discharges, and free moving particles in SF6. View Full-Text
Keywords: partial discharge (PD); GIS; HVAC; magnetic field antenna; sensitivity check; pick-up coil partial discharge (PD); GIS; HVAC; magnetic field antenna; sensitivity check; pick-up coil
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Rodrigo-Mor, A.; Muñoz, F.A.; Castro-Heredia, L.C. A Novel Antenna for Partial Discharge Measurements in GIS Based on Magnetic Field Detection. Sensors 2019, 19, 858.

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