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Challenges in Calibrating an Unconventional Partial Discharge Measurement System for Pulsed Voltages

Title data

Fürst, Markus ; Bakran, Mark-M.:
Challenges in Calibrating an Unconventional Partial Discharge Measurement System for Pulsed Voltages.
In: 2020 22nd European Conference on Power Electronics and Applications (EPE'20 ECCE Europe). - s.l. : IEEE , 2020 . - pp. 1-10
ISBN 978-9-0758-1536-8
DOI: https://doi.org/10.23919/EPE20ECCEEurope43536.2020.9215907

Official URL: Volltext

Abstract in another language

In this paper, the signal of an unconventional partial discharge (PD) sensor is analysed on characteristic
parameters both in time domain and frequency domain. This is done to find correlations to the standardised
apparent charge qa according to IEC 60270 and therefore make the used unconventional PD
measurement system comparable to the conventional system. The benefit of the unconventional PD sensor
is that it can be used even with pulsed voltage waveforms containing high switching noise due to
high dV/dt . Therefore, a calibration of this system would enable a fair comparison to conventional sine
wave test stands. The measurements for this investigation are mainly performed in a conventional sine
wave test stand, where both PD measurement systems are mounted to compare their signals. As unconventional
PD sensor a self-built PD Rogowski sensor with a high bandwidth is used. The characteristic
parameters considered and analysed in the time domain are mainly the PD waveform, its time integral,
the maximum and average peak amplitude of single PD events, the here introduced “average PD event”
as well as the absolute PD quantity. In the frequency domain it is analysed if there are characteristic
frequency bands, where the signal intensity correlates with the apparent charge. The derived findings are
then examined further using only the unconventional sensor in a test stand for pulsed voltage waveforms.

Further data

Item Type: Article in a book
Refereed: No
Institutions of the University: Faculties > Faculty of Engineering Science
Faculties > Faculty of Engineering Science > Chair Mechatronics
Faculties > Faculty of Engineering Science > Chair Mechatronics > Chair Mechatronics - Univ.-Prof. Dr.-Ing. Mark-M. Bakran
Profile Fields > Advanced Fields > Advanced Materials
Profile Fields > Emerging Fields > Energy Research and Energy Technology
Research Institutions > Affiliated Institutes > TechnologieAllianzOberfranken (TAO)
Result of work at the UBT: Yes
DDC Subjects: 600 Technology, medicine, applied sciences > 620 Engineering
Date Deposited: 19 Oct 2020 06:00
Last Modified: 19 Oct 2020 06:00
URI: https://eref.uni-bayreuth.de/id/eprint/57259