Browse Publications Technical Papers 2010-01-1758
2010-11-02

Advanced Electric Generators for Aerospace More Electric Architectures 2010-01-1758

This paper discusses the problem of designing electric machines (EM) for advanced electric generators (AEG) used in aerospace more electric architecture (MEA) that would be applicable to aircraft, spacecraft, and military ground vehicles. The AEG's are analyzed using aspects of Six Sigma theory that relate to critical-to-quality (CTQ) subjects. Using this approach, weight, volume, reliability, efficiency, and cost (CTQs) are addressed to develop a balance among them, resulting in an optimized power generation system. The influence of the machine power conditioners and system considerations are also discussed. As a part of the machine evaluation process, speeds, bearings, complexities, rotor mechanical and thermal limitations, torque pulsations, currents, and power densities are also considered. A methodology for electric machine selection is demonstrated. Examples of high-speed, high-performance machine applications are shown. A system approach is used for overall EM selection and optimization. The presented material is a synopsis of the extensive engineering experience accumulated at Honeywell International. References 1 and 2 show that a similar approach has been applied to electric machines used in high-performance electric drives.

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