DESIGN OF SAFETY CRITICAL HIGH POWER DENSITY AND HIGH SPEED PERMANENT MAGNET SYNCHRONOUS GENERATOR FOR AIRCRAFT APPLICATIONS

Authors : Rüştü Önder Kalaycioğlu, Engin Ayçiçek

Pages : 829-842

Doi:10.21923/jesd.1655771

View : 45 | Download : 46

Publication Date : 2025-09-30

Article Type : Research Paper

Abstract :In this study, it was aimed to carry out design of safety critical high speed and high power density permanent magnet synchronous generator for aircraft applications. The aim is to design a generator with a power density of 4kW/kg and a speed of 50000rpm that is resistant to short circuit current. The first design of the machine was made according to the dimensions calculated by analytical methods, then the design was analyzed with an electromagnetic analysis program and the design modification was carried out. While determining the requirements of the machine, some Turbojet engines used in the sector were examined and requirements were determined at speeds and powers close to these. The generator output is assumed to be passively rectified by passing through a full bridge diode structure and a DC voltage is obtained within the DC-DC converter voltage range specified in the requirements. In order to comply with aviation standards, it has been ensured that the machine is in a safety-critical structure in the design and material selection. After the initial design results were examined, design changes and weight reduction studies were carried out to increase the power density of the machine and reduce the short circuit current. The results of the new design and the initial design were comparatively examined and it was shown that the design criteria were met.
Keywords : Elektrik Makinaları, Sürekli Mıknatıslı Generator, Emniyet Kritik, Hava Aracı Generatörü

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