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Seminar held: Diversity and Regularity of Topology Variations of Electric Machines - Innovations, You can Find it Everywhere

Edited byzx Date:2015-04-10 15:03

Dr Weinong Fu, the associate professor from EE Department of The Hong Kong Polytechnic University presented a talk to EE students: Diversity and Regularity of Topology Variations of Electric Machines - Innovations, You can Find it Everywhere this Wednesday on April 8.

Dr Fu shared with students in the seminar that exploring novel electric machines (EMs) with high efficiency, high torque density, and low cost was always an interesting research topic. According to him, in recent decades many different types of new EMs had emerged. Among others, these machines included a basic flux-modulated motor which used the variation of magnetic reluctance to produce constant torque, a vernier motor which had special slot combinations, a doubly-fed magnetic reluctance machine which had two sets of windings on its stator, a flux-switching motor which had permanent magnets (PMs) on its stator, a dual-PM-excited motor with PMs on both rotor and stator. These machines had their own merits in specific applications. In the seminar, the internal relationships and operating mechanisms of these machines were scrutinized and all these machines had been summarized as general flux-modulated machines, as they all employed non-uniform magnetic reluctance to modulate their magnetic flux to produce constant torque. At end of the seminar, Dr Fu proposed a general theory to explain the operating principle of all these machines and presented the examples of its applications for developing novel electric machines.

Dr Weinong Fu received his PhD in electrical engineering from The Hong Kong Polytechnic University in 1999. He is now an Associate Professor in The Hong Kong Polytechnic University. Before joining the university in October 2007, he was one of the key developers at Ansoft Corporation in Pittsburgh, USA. He has about seven years of working experience at Ansoft, focusing on the development of the commercial software Maxwell. He has published over 160 papers in refereed journals. Dr. Fu's current research interests mainly focus on numerical methods of electromagnetic field computation, optimal design of electric devices based on numerical models, applied electromagnetics and novel electric machines.



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