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Machines and Drives for High-Speed Applications


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Pure and hybrid-electric powertrains are now being developed for all forms of transport. Higher power density is a key requirement, particularly for automotive and aerospace applications.

Date and Time

26 April 2017 - 09:30-16:00


Birmingham, United Kingdom - icon_popup  (See map)


Organised by the Power Electronics Machines and Drives TPN.

About this event


David Gerada
Mahir Al-ani
Steve Watkins
Geoff Haynes
Patrick Palmer
Patrick Wheeler
Edward Shelton

High-speed electric machines are of interest for a wide variety of applications, for example: automotive, aerospace, gas compression and vacuum, machine tools, centrifuges. Eliminating the gearbox and driving the load directly reduces cost and complexity, but presents challenges to the electric machine design. The morning session will examine how these challenges can be overcome for three different types of machine which are proposed for high-speed applications: switched reluctance, permanent magnet and induction.

High switching frequency allows the drive’s passive filter components to be reduced in size hence increasing power density. Furthermore lower harmonics in the converter output can reduce losses in the rotating machine. However, switching losses need to be managed. Therefore low-loss wide bandgap (WBG) switches and converter topologies which can reduce input and output harmonics while minimising loss per switch are key enablers. The afternoon session will present the latest news on WBG switches, followed by a presentation on gate-drive design techniques for WBG switches, finishing with a discussion of advanced converter topologies.


Provisional agenda / timing

09:30 Registration open
09:55 Welcome and introduction
10:00 Extending the speed-power range of induction machines – David Gerada
10:35 PM machines with wide speed range and low rotor losses – Mahir Al-ani
11:10 Morning break
11:40 Switch reluctance machines for high speed applications – Steve Watkins
12:15 Audience discussion/vote
12:20 Lunch
13:20 Introduction to the afternoon session
13:25 Latest developments in WBG devices – Geoff Haynes
14:05 Gate drive design for high frequency drives – Patrick Palmer/Ed Shelton
14:45 Afternoon break
15:15 Comparison of converter topologies for high frequency applications – Pat Wheeler
15:55 Discussion / wrap-up
16:00 Close

Reasons to attend

• Understand the key technologies in the rapidly evolving field of machines and drives
• Understand how to manage system interactions to enable products to meet ever increasing performance objectives
• Gain from the presenters' mixture of theoretical knowledge and practical experience

Continuing Professional Development

CPD logo declaring this event can contribute 6 hours towards your Continuing Professional Development

This event can contribute towards your Continuing Professional Development (CPD) as part of the IET's CPD monitoring scheme.


£25.00 Members, Students, Retirees

£25.00 Members, Students, Retirees, IEEE, UK Magnetics Society

£35.00 Non - Members

Additional information

This event is sponsored by:

The sponsors will be exhibiting in the Waterside Room during the event.


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