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Details of Grant 

EPSRC Reference: GR/R40913/01
Title: High speed brushless generators for micro turbine applications
Principal Investigator: Pollock, Professor C
Other Investigators:
Researcher Co-Investigators:
Project Partners:
Industrial Capacitors Ltd Newage International Ltd Semelab Plc
Department: Engineering
Organisation: University of Leicester
Scheme: Standard Research (Pre-FEC)
Starts: 01 October 2001 Ends: 30 September 2004 Value (£): 225,361
EPSRC Research Topic Classifications:
Energy - Conventional Power Electronics
EPSRC Industrial Sector Classifications:
Electronics Energy
Related Grants:
Panel History:  
Summary on Grant Application Form
This project will develop a flux switching generator system which is specifically designed for use with a high speed gas turbine at rotor speeds of up to 60,000 r/min. The proposed flux switching generator system will be a unique combination of an inductor alternator (dc field winding and ac armature winding both on the stator) and a new electronic regulation circuit which will have an electronically controlled capacitive compensation circuit. The advantage of the proposed capacitor compensation system is that it can be tuned to provide a wide range of output voltage over the whole speed range of the generator, automatically compensating for the inherent synchronous reactance of the alternator.The proposed generator system will overcome many of the disadvantages of permenent magnet generators offering improved fault tolerance, greater mechanical regidity, higher temperature operation and lower cost. Whilst there will be a lower efficiency in the proposed system due to the lack of permanent magnet excitation this will not be a problem with the intended application of the system to CHIP installations where the heat can be recovered effectively.
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Organisation Website: http://www.le.ac.uk