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Influence of the PWM Voltage Waveform on Partial Discharge Occurrence in Motor Windings

Title data

Fürst, Markus ; Bakran, Mark-M.:
Influence of the PWM Voltage Waveform on Partial Discharge Occurrence in Motor Windings.
2020
Event: PCIM Europe Digital Days 2020 , 7.-8. Juli 2020 .
(Conference item: Conference , Paper )

Official URL: Volltext

Abstract in another language

This paper deals with the question how realistic the voltage waveform in partial discharge (PD) tests has
to be to obtain realistic results for the PD inception voltage (PDIV) of inverter driven machines in offline PD
tests. Therefore, the influence of different parameters of pulsed voltage waveforms is investigated. The
PDIV measurement is done with a self-build test setup and PD sensor. Applying an asymmetrical voltage
stress with longer duration of one polarity significantly decreases the PDIV. Increasing the pulse times
also reduces the PDIV. The pause time between pulses with different polarity is found to be negligible in
common automotive applications. The dV/dt in combination with the resulting voltage overshoot is also
very important and has to be further investigated.

Further data

Item Type: Conference item (Paper)
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)
Faculties
Profile Fields
Profile Fields > Advanced Fields
Profile Fields > Emerging Fields
Research Institutions
Research Institutions > Affiliated Institutes
Result of work at the UBT: Yes
DDC Subjects: 600 Technology, medicine, applied sciences > 620 Engineering
Date Deposited: 03 Sep 2020 07:20
Last Modified: 03 Sep 2020 07:56
URI: https://eref.uni-bayreuth.de/id/eprint/56757