Effects of RLC Parameters of a Measuring Circuit on the Frequency Spectrum of Partial Discharges

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1 Citation (Scopus)

Abstract

With the availability of modern acquisition systems it has been possible to measure partial discharge (PD) pulses with enough bandwidth as to record its pulse shape. This new approach has made possible to compute new parameters that were not possible with the tradition narrow band measurements guided by the standard IEC60270. However, broader bandwidth also means more chances to measure noise and disturbances. The measuring circuit plays a main role because it may be the cause of resonances that distort the shape of the PD pulses. This paper presents a test set-up design that contributes to control the RLC parameters of the detection circuit and thus reduce the distortions such as oscillations of the PD pulses. The RLC parameters are estimated by means of a simple but novel procedure where a fast pulse from a calibrator is induced in the detection circuit leading to an easy detection of resonance frequencies.

Original languageEnglish
Title of host publication2018 IEEE Electrical Insulation Conference, EIC 2018
PublisherIEEE
Pages196-199
Number of pages4
ISBN (Electronic)978-1-5386-4178-1
ISBN (Print)978-1-5386-4179-8
DOIs
Publication statusPublished - 2018
Event2018 IEEE Electrical Insulation Conference, EIC 2018 - San Antonio, United States
Duration: 17 Jun 201820 Jun 2018

Conference

Conference2018 IEEE Electrical Insulation Conference, EIC 2018
Abbreviated titleEIC 2018
CountryUnited States
CitySan Antonio
Period17/06/1820/06/18

Keywords

  • frequency response
  • ground inductance
  • partial discharge
  • resonance frequency

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