Electromagnetic waves from partial discharges in windings and their detection by patch antenna

Yoshikazu Shibuya; Satoshi Matsumoto; Tatsuya Konno; Kiyoshi Umezu

doi:10.1109/TDEI.2011.6118639

Electromagnetic waves from partial discharges in windings and their detection by patch antenna

Yoshikazu Shibuya, Satoshi Matsumoto, Tatsuya Konno, Kiyoshi Umezu

Research output: Contribution to journal › Article › peer-review

16 Citations (Scopus)

Abstract

The electromagnetic (EM) radiation accompanying partial discharges (PDs) in enameled-wire winding is analyzed assuming the Gaussian currents in the basic PD model. A simplified procedure is proposed to evaluate the response of patch antenna or microstrip antenna to the EM wave based on the transient circuit calculus. Analyses on the twisted pair specimen show that EM radiation from the wire currents contribute to patch antenna output much more than that from the PD itself. The analytical results are verified by an experiment on the twisted pair. It is confirmed that the patchantenna sensor is potentially capable of detecting PDs in actual motor winding.

Original language	English
Article number	6118639
Pages (from-to)	2013-2023
Number of pages	11
Journal	IEEE Transactions on Dielectrics and Electrical Insulation
Volume	18
Issue number	6
DOIs	https://doi.org/10.1109/TDEI.2011.6118639
Publication status	Published - 2011 Dec

Keywords

Partial discharge
UHF measurement
electromagnetic measurement
insulation testing
microstrip antenna
patch antenna

ASJC Scopus subject areas

Electrical and Electronic Engineering

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10.1109/TDEI.2011.6118639

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title = "Electromagnetic waves from partial discharges in windings and their detection by patch antenna",

abstract = "The electromagnetic (EM) radiation accompanying partial discharges (PDs) in enameled-wire winding is analyzed assuming the Gaussian currents in the basic PD model. A simplified procedure is proposed to evaluate the response of patch antenna or microstrip antenna to the EM wave based on the transient circuit calculus. Analyses on the twisted pair specimen show that EM radiation from the wire currents contribute to patch antenna output much more than that from the PD itself. The analytical results are verified by an experiment on the twisted pair. It is confirmed that the patchantenna sensor is potentially capable of detecting PDs in actual motor winding.",

keywords = "Partial discharge, UHF measurement, electromagnetic measurement, insulation testing, microstrip antenna, patch antenna",

author = "Yoshikazu Shibuya and Satoshi Matsumoto and Tatsuya Konno and Kiyoshi Umezu",

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T1 - Electromagnetic waves from partial discharges in windings and their detection by patch antenna

AU - Shibuya, Yoshikazu

AU - Matsumoto, Satoshi

AU - Konno, Tatsuya

AU - Umezu, Kiyoshi

PY - 2011/12

Y1 - 2011/12

N2 - The electromagnetic (EM) radiation accompanying partial discharges (PDs) in enameled-wire winding is analyzed assuming the Gaussian currents in the basic PD model. A simplified procedure is proposed to evaluate the response of patch antenna or microstrip antenna to the EM wave based on the transient circuit calculus. Analyses on the twisted pair specimen show that EM radiation from the wire currents contribute to patch antenna output much more than that from the PD itself. The analytical results are verified by an experiment on the twisted pair. It is confirmed that the patchantenna sensor is potentially capable of detecting PDs in actual motor winding.

AB - The electromagnetic (EM) radiation accompanying partial discharges (PDs) in enameled-wire winding is analyzed assuming the Gaussian currents in the basic PD model. A simplified procedure is proposed to evaluate the response of patch antenna or microstrip antenna to the EM wave based on the transient circuit calculus. Analyses on the twisted pair specimen show that EM radiation from the wire currents contribute to patch antenna output much more than that from the PD itself. The analytical results are verified by an experiment on the twisted pair. It is confirmed that the patchantenna sensor is potentially capable of detecting PDs in actual motor winding.

KW - Partial discharge

KW - UHF measurement

KW - electromagnetic measurement

KW - insulation testing

KW - microstrip antenna

KW - patch antenna

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Electromagnetic waves from partial discharges in windings and their detection by patch antenna

Abstract

Keywords

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