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Fault-Tolerant Active Neutral Point Clamped Inverter with SiC MOSFETs

Title data

Gleißner, Michael ; Bertelshofer, Teresa ; Bakran, Mark-M.:
Fault-Tolerant Active Neutral Point Clamped Inverter with SiC MOSFETs.
Event: EEHE Electrics & Electronics Systems in Hybrid and Electric Vehicles and Electrical Energy Management , 12.-13.06.2018 , Würzburg.
(Conference item: Conference , Paper )

Abstract in another language

Fault-tolerant converters are required for applications with a high risk of damage or financial loss, like electric aircraft, autonomous vehicles or energy transmission ap-plications. The Active Neutral Point Clamped (ANPC) inverter is a fault-tolerant multi-level topology, which enables an ongoing degraded operation after any single semi-conductor failures, if no secondary failures caused by overvoltage and short-circuit currents occur. The critical failure scenarios of a single-phase ANPC prototype built with 650 V SiC MOSFETs are investigated in this paper. Innovative driver integrated measures for immediate short-circuit detection, over-voltage clamping and switching strategy reconfiguration in order to enable a reliable ongoing operation are present-ed. Moreover, the operation range of a permanent synchronous machine in degraded inverter operation mode is explained. Thus, a very efficient and fault-tolerant inverter for applications with high availability requirements can be realized.

Further data

Item Type: Conference item (Paper)
Refereed: Yes
Institutions of the University: Faculties > Faculty of Engineering Science > Chair Mechatronics > Chair Mechatronics - Univ.-Prof. Dr.-Ing. Mark-M. Bakran
Faculties > Faculty of Engineering Science
Faculties > Faculty of Engineering Science > Chair Mechatronics
Result of work at the UBT: Yes
DDC Subjects: 600 Technology, medicine, applied sciences > 620 Engineering
Date Deposited: 13 Nov 2018 08:23
Last Modified: 14 Dec 2018 09:43