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 journalArticle

10 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 languageEnglish
Article number6118639
Pages (from-to)2013-2023
Number of pages11
JournalIEEE Transactions on Dielectrics and Electrical Insulation
Volume18
Issue number6
DOIs
Publication statusPublished - 2011 Dec

Fingerprint

Partial discharges
Microstrip antennas
Electromagnetic waves
Wire
Networks (circuits)
Sensors
Experiments

Keywords

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

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

Cite this

Electromagnetic waves from partial discharges in windings and their detection by patch antenna. / Shibuya, Yoshikazu; Matsumoto, Satoshi; Konno, Tatsuya; Umezu, Kiyoshi.

In: IEEE Transactions on Dielectrics and Electrical Insulation, Vol. 18, No. 6, 6118639, 12.2011, p. 2013-2023.

Research output: Contribution to journalArticle

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