This paper considers the operation and control of a brushless AC prototype embedded aircraft generator that has been designed for use as an alternative to the emergency ram air turbine. The original specification is to generate a regulated emergency supply over a wide speed range. To meet the requirements the generator utilises a hybrid rotor construction comprising permanent magnet and variable reluctance sections. The constant current source characteristics of the design are exploited to derive the phase information required by the AC vector controller, thus avoiding the use of a rotor position sensor. The methodology behind the controller operation is presented together with test results taken from a prototype generator system.
Sensorless operation of a permanent magnet generator for future embedded aircraft generation systems
Sensorfreier Betrieb von Permanentmagnet-Generatoren für künftige interne Flugzeug-Generatorsysteme
2004
6 Seiten, 13 Bilder, 6 Quellen
Conference paper
Storage medium
English
A Permanent Magnet Wide-Speed Range Generator for Embedded Aircraft Electrical Systems
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