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Less Losses with Less Oscillations : How to Achieve This at SiC MOSFET Turn-On across the Full Operating Range

Title data

Zheming, Li ; Maier, Robert ; Bakran, Mark-M.:
Less Losses with Less Oscillations : How to Achieve This at SiC MOSFET Turn-On across the Full Operating Range.
Event: 23rd European Conference on Power Electronics and Applications (EPE'21 ECCE Europe) , 06.-10. Sept. 2021 , Virtual.
(Conference item: Conference , Paper )

Abstract in another language

This paper introduces an intelligent gate driver-based self-regulating gate control solution that can realize low switching losses and low EMI at SiC MOSFET turn-on for varying operating conditions across the full operating range. The gate control strategies of this solution are investigated in different phases of the SiC MOSFET turn-on process. At first, it is confirmed by measurements that low switching losses and low EMI can be realized at a certain operating point with its corresponding optimum setting of the gate control unit using different gate resistors. However, it is found that this kind of optimum setting is
sensitive to variation of operating conditions. A simulation is performed to verify that varying optimum settings caused by varying operating conditions can be traced by the proposed self-regulating gate control.
Finally, a performance evaluation of this solution in continuous operation is performed. The turnon
switching performance of SiC MOSFET can be significantly improved. Besides low switching losses and low EMI, this solution provides other advantages like a simple gate control logic, low-cost and low calibration, hardware and measuring efforts compared to other intelligent gate driver-based solutions.

Further data

Item Type: Conference item (Paper)
Refereed: Yes
Additional notes: ISBN 978-9-0758-1537-5
Institutions of the University: 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 > Research Units > ZET - Zentrum für Energietechnik
Result of work at the UBT: Yes
DDC Subjects: 600 Technology, medicine, applied sciences > 620 Engineering
Date Deposited: 22 Feb 2022 08:59
Last Modified: 22 Feb 2022 08:59
URI: https://eref.uni-bayreuth.de/id/eprint/68723