Abstract
Current trend in aviation is to increase efficiency of all the aircraft’s systems. This leads to a reduction of fuel consumption which has also positive effect on emissions. One possibility how to reach this aim is to replace hydraulic and pneumatic system with an electrical power system. Because many on-board electrical loads are in the form of electrical drives, the special attention is given to electric motors and their electronic speed controllers / power converters. Furthermore, electric motors suitable for traction/propulsion are presented. Moreover, the various types of starter/generators suitable for on-board utilisation are compared in the paper.
Highlights
There is a strict international requirement for global emission reduction
The aim of the paper is to present the top-most solutions of electric machines used on-board of More Electric Aircraft (MEA)
The construction of modern electric motors is of brushless form, which brings advantages in better reliability and lower maintenance time but on the other hand it requires a complex form of speed control
Summary
There is a strict international requirement for global emission reduction. The projects like Clean Sky and ICAO Global Coalition for Sustainable Aviation aim to reduce noise and pollution [1]. One way how to reduce emissions produced by aircraft is to decrease its consumption. There are more possibilities how it can be managed: drag reduction, decrease the overall weight, increase the efficiency of gas-turbine engines, increase the efficiency of secondary power systems, or change the design of propulsion system. Most heavy electrical loads in More Electric Aircraft (MEA) are electric motors. The aim of the paper is to present the top-most solutions of electric machines used on-board of MEA. The Second chapter presents electric motors used for non-propulsive applications. The Third chapter is dedicated to starter/generators and the Fourth chapter describes electric motors which could be used for traction/propulsion
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