Application of Charge-Sensitive Preamplifier for the Calibration of Partial Discharge Calibrators Below 1 pC

Research output: Contribution to journalArticleScientificpeer-review

Abstract

Modern partial discharge (PD) calibrators often have their lowest range below 1 pC. However, traceable calibration services below 1-pC charges are not widely available, or their uncertainties are relatively high because of low signal levels. We have applied a commercial charge-sensitive preamplifier for the low-level calibration of PD calibrators. This calibration method both improves the signal-to-noise ratio and performs the analog integration of the PD pulse. The drooping response of the preamplifier is corrected using software. Comparison with a reference PD calibrator supports an expanded uncertainty less than 1% down to 0.1 pC and 3% for 0.01 pC.
Original languageEnglish
Article number8640062
Pages (from-to)2034-2040
Number of pages7
JournalIEEE Transactions on Instrumentation and Measurement
Volume68
Issue number6
DOIs
Publication statusPublished - Jun 2019
MoE publication typeA1 Journal article-refereed

Fingerprint

preamplifiers
Partial discharges
Calibration
Signal to noise ratio
signal to noise ratios
analogs
computer programs
pulses
Uncertainty

Keywords

  • Calibration
  • measurement
  • measurement techniques
  • measurement uncertainty
  • partial discharges (PD)

Cite this

@article{9d81b27602c242a1a39bb16b7cd0b04c,
title = "Application of Charge-Sensitive Preamplifier for the Calibration of Partial Discharge Calibrators Below 1 pC",
abstract = "Modern partial discharge (PD) calibrators often have their lowest range below 1 pC. However, traceable calibration services below 1-pC charges are not widely available, or their uncertainties are relatively high because of low signal levels. We have applied a commercial charge-sensitive preamplifier for the low-level calibration of PD calibrators. This calibration method both improves the signal-to-noise ratio and performs the analog integration of the PD pulse. The drooping response of the preamplifier is corrected using software. Comparison with a reference PD calibrator supports an expanded uncertainty less than 1{\%} down to 0.1 pC and 3{\%} for 0.01 pC.",
keywords = "Calibration, measurement, measurement techniques, measurement uncertainty, partial discharges (PD)",
author = "Jussi Havunen and Jari H{\"a}llstr{\"o}m",
year = "2019",
month = "6",
doi = "10.1109/TIM.2019.2895437",
language = "English",
volume = "68",
pages = "2034--2040",
journal = "IEEE Transactions on Instrumentation and Measurement",
issn = "0018-9456",
publisher = "IEEE Institute of Electrical and Electronic Engineers",
number = "6",

}

Application of Charge-Sensitive Preamplifier for the Calibration of Partial Discharge Calibrators Below 1 pC. / Havunen, Jussi; Hällström, Jari.

In: IEEE Transactions on Instrumentation and Measurement, Vol. 68, No. 6, 8640062, 06.2019, p. 2034-2040.

Research output: Contribution to journalArticleScientificpeer-review

TY - JOUR

T1 - Application of Charge-Sensitive Preamplifier for the Calibration of Partial Discharge Calibrators Below 1 pC

AU - Havunen, Jussi

AU - Hällström, Jari

PY - 2019/6

Y1 - 2019/6

N2 - Modern partial discharge (PD) calibrators often have their lowest range below 1 pC. However, traceable calibration services below 1-pC charges are not widely available, or their uncertainties are relatively high because of low signal levels. We have applied a commercial charge-sensitive preamplifier for the low-level calibration of PD calibrators. This calibration method both improves the signal-to-noise ratio and performs the analog integration of the PD pulse. The drooping response of the preamplifier is corrected using software. Comparison with a reference PD calibrator supports an expanded uncertainty less than 1% down to 0.1 pC and 3% for 0.01 pC.

AB - Modern partial discharge (PD) calibrators often have their lowest range below 1 pC. However, traceable calibration services below 1-pC charges are not widely available, or their uncertainties are relatively high because of low signal levels. We have applied a commercial charge-sensitive preamplifier for the low-level calibration of PD calibrators. This calibration method both improves the signal-to-noise ratio and performs the analog integration of the PD pulse. The drooping response of the preamplifier is corrected using software. Comparison with a reference PD calibrator supports an expanded uncertainty less than 1% down to 0.1 pC and 3% for 0.01 pC.

KW - Calibration

KW - measurement

KW - measurement techniques

KW - measurement uncertainty

KW - partial discharges (PD)

UR - http://www.scopus.com/inward/record.url?scp=85065886297&partnerID=8YFLogxK

U2 - 10.1109/TIM.2019.2895437

DO - 10.1109/TIM.2019.2895437

M3 - Article

AN - SCOPUS:85065886297

VL - 68

SP - 2034

EP - 2040

JO - IEEE Transactions on Instrumentation and Measurement

JF - IEEE Transactions on Instrumentation and Measurement

SN - 0018-9456

IS - 6

M1 - 8640062

ER -