Effect of terminating resistance on high frequency behaviour of rogowski coil for transient measurements

M. Shafiq, M. Lehtonen, L. Kütt, G.A. Hussain, Murtaza Hashmi

Research output: Contribution to journalArticleScientificpeer-review

6 Citations (Scopus)

Abstract

Partial Discharge (PD) current measurements have been widely used to assess the insulation condition of power components. Rogowski coil is a low cost current sensor specifically meant for high frequency transient diagnostics such as PDs in high voltage (HV) power apparatus. This paper presents the design of Rogowski coil for transient measurements. For the designed prototype of Rogowski coil, correct selection of terminating resistance is of high importance to calibrate its response for accurate measurement of the PD current waveforms. Effect of terminating resistance for the coil model is analysed based on theoretical, practical and simulated investigations. Simulated model of the coil is used to determine the behaviour of induced current through non-physical inductive and capacitive elements of Rogowski coil. The Electromagnetic Transient Program-Alternative Transient Program (EMTP-ATP) is used to implement and to analyze the model of Rogowski coil. The comparison of practical and simulated results validates the designed model of the coil. The paper explores EMTP-ATP as an efficient tool to analyze and modify the transient behaviour of Rogowski coil for high frequency pulse measurements.
Original languageEnglish
Pages (from-to)22-28
JournalElektronika ir Elektrotechnika
Volume19
Issue number7
DOIs
Publication statusPublished - 2013
MoE publication typeA1 Journal article-refereed

Fingerprint

Partial discharges
Induced currents
Electric current measurement
Insulation
Sensors
Electric potential
Costs

Keywords

  • calibration
  • diagnostic
  • measurement
  • partial discharges
  • Rogowski coil
  • transients

Cite this

Shafiq, M. ; Lehtonen, M. ; Kütt, L. ; Hussain, G.A. ; Hashmi, Murtaza. / Effect of terminating resistance on high frequency behaviour of rogowski coil for transient measurements. In: Elektronika ir Elektrotechnika. 2013 ; Vol. 19, No. 7. pp. 22-28.
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title = "Effect of terminating resistance on high frequency behaviour of rogowski coil for transient measurements",
abstract = "Partial Discharge (PD) current measurements have been widely used to assess the insulation condition of power components. Rogowski coil is a low cost current sensor specifically meant for high frequency transient diagnostics such as PDs in high voltage (HV) power apparatus. This paper presents the design of Rogowski coil for transient measurements. For the designed prototype of Rogowski coil, correct selection of terminating resistance is of high importance to calibrate its response for accurate measurement of the PD current waveforms. Effect of terminating resistance for the coil model is analysed based on theoretical, practical and simulated investigations. Simulated model of the coil is used to determine the behaviour of induced current through non-physical inductive and capacitive elements of Rogowski coil. The Electromagnetic Transient Program-Alternative Transient Program (EMTP-ATP) is used to implement and to analyze the model of Rogowski coil. The comparison of practical and simulated results validates the designed model of the coil. The paper explores EMTP-ATP as an efficient tool to analyze and modify the transient behaviour of Rogowski coil for high frequency pulse measurements.",
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Effect of terminating resistance on high frequency behaviour of rogowski coil for transient measurements. / Shafiq, M.; Lehtonen, M.; Kütt, L.; Hussain, G.A.; Hashmi, Murtaza.

In: Elektronika ir Elektrotechnika, Vol. 19, No. 7, 2013, p. 22-28.

Research output: Contribution to journalArticleScientificpeer-review

TY - JOUR

T1 - Effect of terminating resistance on high frequency behaviour of rogowski coil for transient measurements

AU - Shafiq, M.

AU - Lehtonen, M.

AU - Kütt, L.

AU - Hussain, G.A.

AU - Hashmi, Murtaza

PY - 2013

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N2 - Partial Discharge (PD) current measurements have been widely used to assess the insulation condition of power components. Rogowski coil is a low cost current sensor specifically meant for high frequency transient diagnostics such as PDs in high voltage (HV) power apparatus. This paper presents the design of Rogowski coil for transient measurements. For the designed prototype of Rogowski coil, correct selection of terminating resistance is of high importance to calibrate its response for accurate measurement of the PD current waveforms. Effect of terminating resistance for the coil model is analysed based on theoretical, practical and simulated investigations. Simulated model of the coil is used to determine the behaviour of induced current through non-physical inductive and capacitive elements of Rogowski coil. The Electromagnetic Transient Program-Alternative Transient Program (EMTP-ATP) is used to implement and to analyze the model of Rogowski coil. The comparison of practical and simulated results validates the designed model of the coil. The paper explores EMTP-ATP as an efficient tool to analyze and modify the transient behaviour of Rogowski coil for high frequency pulse measurements.

AB - Partial Discharge (PD) current measurements have been widely used to assess the insulation condition of power components. Rogowski coil is a low cost current sensor specifically meant for high frequency transient diagnostics such as PDs in high voltage (HV) power apparatus. This paper presents the design of Rogowski coil for transient measurements. For the designed prototype of Rogowski coil, correct selection of terminating resistance is of high importance to calibrate its response for accurate measurement of the PD current waveforms. Effect of terminating resistance for the coil model is analysed based on theoretical, practical and simulated investigations. Simulated model of the coil is used to determine the behaviour of induced current through non-physical inductive and capacitive elements of Rogowski coil. The Electromagnetic Transient Program-Alternative Transient Program (EMTP-ATP) is used to implement and to analyze the model of Rogowski coil. The comparison of practical and simulated results validates the designed model of the coil. The paper explores EMTP-ATP as an efficient tool to analyze and modify the transient behaviour of Rogowski coil for high frequency pulse measurements.

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KW - diagnostic

KW - measurement

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KW - transients

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