Balanced Magnetic Antenna for Partial Discharge Measurements in Gas-Insulated Substations

Christian Mier Escurra; Armando Rodrigo Mor

doi:10.23919/CMD54214.2022.9991698

Balanced Magnetic Antenna for Partial Discharge Measurements in Gas-Insulated Substations

Christian Mier Escurra^*, Armando Rodrigo Mor

^*Corresponding author for this work

High Voltage Technology Group

Research output: Chapter in Book/Conference proceedings/Edited volume › Conference contribution › Scientific › peer-review

2 Citations (Scopus)

21 Downloads (Pure)

Abstract

Recent research has found that Magnetic loop antennas can detect partial discharges (PD) in gas-insulated substations (GIS); however, unbalanced shielded loop (UBSL) antennas are affected by electric field coupling. This research proposes a balanced shielded loop (BSL) adapted for GIS PD sensing with different designs. The frequency response and PD charge estimation for BSL and UBSL antennas are analyzed and compared in a matched test bench using a very-fast pulse calibrator. The results confirmed a better common-mode noise rejection and thus a better charge estimation by using the balanced magnetic antenna. An alternative BSL design improved the antenna's gain by a factor of two, and by using a balun transformer, the gain was increased by a factor of 4. The results showed the criticality in the shielded gap placement and the influence of the antenna's parasitic elements on the balun's frequency response. This paper shows an improvement in the noise rejection using magnetic antennas, which leads to the possibility of better PD sensing in GIS.

Original language	English
Title of host publication	Proceedings of the 2022 9th International Conference on Condition Monitoring and Diagnosis (CMD)
Place of Publication	Piscataway
Publisher	IEEE
Pages	509-512
Number of pages	4
ISBN (Electronic)	978-4-88686-431-4
ISBN (Print)	978-1-6654-7015-5
DOIs	https://doi.org/10.23919/CMD54214.2022.9991698
Publication status	Published - 2022
Event	2022 9th International Conference on Condition Monitoring and Diagnosis (CMD) - Kitakyushu, Japan Duration: 13 Nov 2022 → 18 Nov 2022 Conference number: 9th

Conference

Conference	2022 9th International Conference on Condition Monitoring and Diagnosis (CMD)
Country/Territory	Japan
City	Kitakyushu
Period	13/11/22 → 18/11/22

Bibliographical note

Green Open Access added to TU Delft Institutional Repository 'You share, we take care!' - Taverne project https://www.openaccess.nl/en/you-share-we-take-care
Otherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public.

Keywords

Partial discharge
gas-insulated substation
GIS
magnetic antenna
common-mode noise
balanced shielded loop

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10.23919/CMD54214.2022.9991698

Balanced_Magnetic_Antenna_for_Partial_Discharge_Measurements_in_Gas-Insulated_SubstationsFinal published version, 946 KB

Cite this

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title = "Balanced Magnetic Antenna for Partial Discharge Measurements in Gas-Insulated Substations",

abstract = "Recent research has found that Magnetic loop antennas can detect partial discharges (PD) in gas-insulated substations (GIS); however, unbalanced shielded loop (UBSL) antennas are affected by electric field coupling. This research proposes a balanced shielded loop (BSL) adapted for GIS PD sensing with different designs. The frequency response and PD charge estimation for BSL and UBSL antennas are analyzed and compared in a matched test bench using a very-fast pulse calibrator. The results confirmed a better common-mode noise rejection and thus a better charge estimation by using the balanced magnetic antenna. An alternative BSL design improved the antenna's gain by a factor of two, and by using a balun transformer, the gain was increased by a factor of 4. The results showed the criticality in the shielded gap placement and the influence of the antenna's parasitic elements on the balun's frequency response. This paper shows an improvement in the noise rejection using magnetic antennas, which leads to the possibility of better PD sensing in GIS.",

keywords = "Partial discharge, gas-insulated substation, GIS, magnetic antenna, common-mode noise, balanced shielded loop",

author = "{Mier Escurra}, Christian and Mor, {Armando Rodrigo}",

note = "Green Open Access added to TU Delft Institutional Repository 'You share, we take care!' - Taverne project https://www.openaccess.nl/en/you-share-we-take-care Otherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public.; 2022 9th International Conference on Condition Monitoring and Diagnosis (CMD) ; Conference date: 13-11-2022 Through 18-11-2022",

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Mier Escurra, C & Mor, AR 2022, Balanced Magnetic Antenna for Partial Discharge Measurements in Gas-Insulated Substations. in Proceedings of the 2022 9th International Conference on Condition Monitoring and Diagnosis (CMD). IEEE, Piscataway, pp. 509-512, 2022 9th International Conference on Condition Monitoring and Diagnosis (CMD), Kitakyushu, Japan, 13/11/22. https://doi.org/10.23919/CMD54214.2022.9991698

Balanced Magnetic Antenna for Partial Discharge Measurements in Gas-Insulated Substations. / Mier Escurra, Christian ; Mor, Armando Rodrigo.
Proceedings of the 2022 9th International Conference on Condition Monitoring and Diagnosis (CMD). Piscataway: IEEE, 2022. p. 509-512.

Research output: Chapter in Book/Conference proceedings/Edited volume › Conference contribution › Scientific › peer-review

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AU - Mor, Armando Rodrigo

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PY - 2022

Y1 - 2022

N2 - Recent research has found that Magnetic loop antennas can detect partial discharges (PD) in gas-insulated substations (GIS); however, unbalanced shielded loop (UBSL) antennas are affected by electric field coupling. This research proposes a balanced shielded loop (BSL) adapted for GIS PD sensing with different designs. The frequency response and PD charge estimation for BSL and UBSL antennas are analyzed and compared in a matched test bench using a very-fast pulse calibrator. The results confirmed a better common-mode noise rejection and thus a better charge estimation by using the balanced magnetic antenna. An alternative BSL design improved the antenna's gain by a factor of two, and by using a balun transformer, the gain was increased by a factor of 4. The results showed the criticality in the shielded gap placement and the influence of the antenna's parasitic elements on the balun's frequency response. This paper shows an improvement in the noise rejection using magnetic antennas, which leads to the possibility of better PD sensing in GIS.

AB - Recent research has found that Magnetic loop antennas can detect partial discharges (PD) in gas-insulated substations (GIS); however, unbalanced shielded loop (UBSL) antennas are affected by electric field coupling. This research proposes a balanced shielded loop (BSL) adapted for GIS PD sensing with different designs. The frequency response and PD charge estimation for BSL and UBSL antennas are analyzed and compared in a matched test bench using a very-fast pulse calibrator. The results confirmed a better common-mode noise rejection and thus a better charge estimation by using the balanced magnetic antenna. An alternative BSL design improved the antenna's gain by a factor of two, and by using a balun transformer, the gain was increased by a factor of 4. The results showed the criticality in the shielded gap placement and the influence of the antenna's parasitic elements on the balun's frequency response. This paper shows an improvement in the noise rejection using magnetic antennas, which leads to the possibility of better PD sensing in GIS.

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BT - Proceedings of the 2022 9th International Conference on Condition Monitoring and Diagnosis (CMD)

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ER -

Balanced Magnetic Antenna for Partial Discharge Measurements in Gas-Insulated Substations

Abstract

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Keywords

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