Test results of a compact disk-type motor/generator unit with superconducting bearings for flywheel energy storage systems with ultra-low idling losses

IEEE Transactions on Applied Superconductivity

Volumn 21, Issue 3 PART 2, 2011, Pages 1497-1501

  Kohari, Z ^a   Nadudvari, Z ^a   Szlama, L ^a   Keresztesi, M ^a   Csaki, I ^a  

^a BUDAPEST UNIVERSITY OF TECHNOLOGY AND ECONOMICS   (Hungary)

Author keywords

Loss components; Loss reduction; Spin down tests; Superconducting flywheel

Indexed keywords

AXIAL FLUX SUPERCONDUCTING BEARINGS; COPPER WINDINGS; DISK-TYPE; FLYWHEEL ENERGY STORAGE; FLYWHEEL ENERGY STORAGE SYSTEM; LITZ WIRES; LOSS REDUCTION; NO-LOAD LOSS; ORDERS OF MAGNITUDE; PERMANENT MAGNET MOTOR; SPIN-DOWN; SPIN-DOWN TESTS; STORED ENERGY; SUPERCONDUCTING BEARING; SUPERCONDUCTING FLYWHEEL; TEST RESULTS; VACUUM CHAMBERS; VACUUM LEVEL;

BEARINGS (STRUCTURAL); EDDY CURRENTS; ELECTRIC LOAD LOSS; ENERGY STORAGE; FLYWHEEL PROPULSION; MACHINE DESIGN; MAGNETIC DEVICES; NEODYMIUM COMPOUNDS; PERMANENT MAGNETS; ROTORS; SUPERCONDUCTING MAGNETS; SUPERCONDUCTIVITY; VACUUM; WHEELS;

FLYWHEELS;

EID: 79957901424     PISSN: 10518223     EISSN: None     Source Type: Journal    
DOI: 10.1109/TASC.2011.2105232     Document Type: Article

References (5)

1. Z. Kohari, "Test results of a compact superconducting flywheel energy storage with disk-type, permanent magnet motor/generator unit", IEEE Trans. Appl. Supercond., vol. 19, no. 3, pp. 2095-2098, 2009.
2. J. Kosa and I. Vajda, "Environmentally friendly machining of ceramic based YBCC bulk superconductor", Journal of Materials Processing Technology, vol. 181, no. 1-3, pp. 48-51, 2007. (Pubitemid 44468158)
3. J. Kosa, I. Vajda, and L. Farkas, "Qualification of the machining and fitting precision of YBCO bulks and rings joined together via the examination of the trapped flux", IEEE Trans. Appl. Supercond., vol. 19, no. 3, pp. 2182-2185, 2009.
4. R. J. Wang, "Design Aspects and Optimization of an Axial Field Permanent Magnet Machine With an Ironless Stator", PhD dissertation, University of Stellenbosch, 2003.
5. G. Genta, Kinetic Energy Storage. London: Butterworth, 1985, pp. 170-179.