Recent Development of Switched Reluctance Motors for Hybrid Electrical Vehicles
Friday, June 16, 2017 - 9:00am New York Time
Presenter: Akira Chiba
Tokyo Institute of Technology
Abstract: In this webinar, general view of recent energy friendly vehicles are introduced. Then, principles of operations of hybrid electrical vehicles are reviewed. The rare-earth problem has lessened, however, the rare-earth material is still costly for mass production of more electrical vehicles. Characteristics of rare-earth permanent magnet electrical motors and generators of a leading hybrid vehicle are presented. There are a few criteria for switched reluctance motors to be competitive to rare-earth PM motors. Some possible breakthrough solutions are presented. In addition, a novel method to reduce vibration and acoustic noise is presented. The generator operation and its loss reduction by switched reluctance machines are presented.
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This webinar is jointly sponsored with the IEEE Industry Application Society.
Why the More and All Electric Aircraft Needs Power Electronics
New Day/Time - Thursday, September 21, 2017 - 10:00am ET - 11:00am ET
Presenter: Patrick Wheeler
University of Nottingham
Abstract: There has recently been a major change in the design of aircraft. Electrical systems are being used in applications which have traditionally been powered by hydraulic or pneumatic sources. The Boeing 787 and the Airbus A380 both have significantly larger electrical systems than any previous aircraft. The most important enabling technology for the More Electric Aircraft is been power electronics. Without power conversion none of the benefits of this technology would be possible. However, aerospace applications present some challenging conditions for power electronics and there are still a number of areas where improvements must be made in terms of the weight, volume, cost and reliability of systems. This presentation will introduce the More Electric Aircraft concept and investigate the potential benefits of the technology before considering the challenges our community will have to meet to make the concept of Electric Propulsion of large aircraft possible. The talk will be illustrated with a selection of case studies of systems that have been developed at the University of Nottingham, UK.
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