This paper introduces a flywheel energy storage device capable of enhancing the fuel economy of a hybrid-type road vehicle. A number of possible drive types is considered and the permanent magnet machine drive is shown to provide the best solution. Reasons for selecting a device using an axial-field configuration with single rotor and double stator sections are described. Electrical, magnetic and mechanical design data are presented for a full-scale prototype device with 240 kJ of usable energy storage and 25 kW of power transfer, operating at speeds up to 5O,OOO revs per minute, with a 10 % duty cycle.
Design principles for flywheel energy store for road vehicles
Entwurfskriterien für einen Rotationsspeicher für den Einsatz im Kraftfahrzeug
1995
7 Seiten, 7 Bilder, 1 Tabelle, 8 Quellen
Aufsatz (Konferenz)
Englisch
Design principles for a flywheel energy store for road vehicles
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