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Detailed design of a 30-kW switched reluctance starter/generator system for a gas turbine engine application

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4 Author(s)
C. Ferreira ; Sundstrand Aerosp., Rockford, IL, USA ; S. R. Jones ; W. S. Heglund ; W. D. Jones

A switched reluctance starter/generator (SR S/G) system has been developed for an aircraft engine application. The system is rated at 30 kW, 270 VDC, 52 kRPM maximum operating speed. The system also provides 17 hp to start the 1400 hp engine. The system consists of an SR machine directly coupled to the gas turbine engine, an inverter converter unit (ICU), and an electronic controller. The system is designed to meet requirements such as power quality per MIL-STD-704E, 30% (9 kW) step loads, 75% constant power loads, operation over a wide speed range, and a -51°C to +125°C environment. The emphasis in the present work is on the design and implementation of the system. The SR S/G system is currently undergoing design assurance tests. Test results are given to validate the system design and performance. System efficiency is about 80% when generating 30 kW

Published in:

Industry Applications Society Annual Meeting, 1993., Conference Record of the 1993 IEEE

Date of Conference:

2-8 Oct 1993