Current Control Techniques for Fault-tolerant Polyphase Induction Drives
Friday, 18 December 2020 11:00 AM CET (6:00 PM GMT+8)
by Hang Seng Che & Mahdi Tousizadeh (UM Power Energy Dedicated Advanced Centre (UMPEDAC), University of Malaya, MALAYSIA)
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The concept of fault-tolerance for electrical drives has been extensively explored from different angles, aiming to enhance the overall reliability of polyphase adjustable drives. Despite having different control perspectives, the goal has usually been pursued along the same path, which is to maintain a circular trajectory of air-gap flux in presence of open phase fault. Nevertheless, the structure, operating principles and underlying assumptions will manifest, to a large extent, into different challenges that will affect capability of the fault-tolerant controllers. In this webinar, an overview on the underlying principles of fault tolerant control for three-phase and multiphase machines is given. A couple of different fault-tolerant controllers applied on three- and six-phase drives will be presented to elucidate the various considerations required for fault tolerant drive using different current control techniques.
Hang Seng Che received the B.Eng. degree in electrical engineering from the University of Malaya, Kuala Lumpur, Malaysia, in 2009. He then obtained the Ph.D. degree in electrical engineering under the auspices of a dual Ph.D. program between the University of Malaya and Liverpool John Moores University, Liverpool, U.K., in 2013. Since 2013, he has been with UM Power Energy Dedicated Advanced Centre, University of Malaya, where he is currently a Senior Lecturer. Dr. Che is an Associate Editor for IET Electric Power Applications and Elsevier’s Alexandria Engineering Journal. His research interests include multiphase machines and drives, fault-tolerant control, and power electronics converters for renewable energy applications.
Mahdi Tousizadeh was born in Isfahan, Iran. He received the B.Eng., M.Eng., and PhD degree in electrical engineering from Islamic Azad University, Iran 2009, University Technology Malaysia, in 2012, and University of Malaya, Kuala Lumpur, Malaysia, in 2019, respectively. Since 2012, he has been with UM Power Energy Dedicated Advanced Centre, University of Malaya, where he is currently serving as Research Fellow. His research interests include fault-tolerant control of machines and drives as well as power electronics converters for electric vehicle applications.