A magnetic loop antenna for partial discharge measurements on GIS

Mor, A. R.; Castro Heredia, L.C.; Muñoz Muñoz, F.A.

doi:10.1016/j.ijepes.2019.105514

A magnetic loop antenna for partial discharge measurements on GIS

Title

A magnetic loop antenna for partial discharge measurements on GIS

Author

Mor, A. R. (TU Delft DC systems, Energy conversion & Storage)
Castro Heredia, L.C. (TU Delft DC systems, Energy conversion & Storage)
Muñoz Muñoz, F.A. (TU Delft DC systems, Energy conversion & Storage)

Date

2019-08-28

Abstract

This paper presents a magnetic loop antenna for partial discharge (PD) measurements on gas insulated systems (GIS). The antenna is based on a single shielded loop inserted in the dielectric window of a GIS that measures the PD currents propagating in TEM mode. The paper describes the relevant parameters of the antenna and the antenna performance in combination with a transimpedance amplifier. A calibration method for charge estimation is presented along with laboratory experiments with free moving particle, surface and corona discharges in SF₆ test cells. The results show the suitability of the magnetic antenna for PD detection and the charge evaluation performance. Under laboratory conditions, the antenna sensitivity is in the order of 1 pC at a few meters from the PD source.

Subject

Charge calibration
GIS
Magnetic loop antenna
Magnetic sensor
Partial discharge

To reference this document use:

http://resolver.tudelft.nl/uuid:35db0953-601b-4153-b3e5-809caa5de169

DOI

https://doi.org/10.1016/j.ijepes.2019.105514

ISSN

0142-0615

Source

International Journal of Electrical Power & Energy Systems, 115 (2020), 1-6

Part of collection

Institutional Repository