Active output voltage regulation for an ironless axial-flux PM automotive alternator with electromechanical flux weakening

IEEE Transactions on Industry Applications

Volumn 45, Issue 5, 2009, Pages 1785-1793

  Giulii Capponi, Fabio ^a   Terrigi, Roberto ^b   Caricchi, Federico ^a   Del Ferraro, Luca ^c  

^a SAPIENZA UNIVERSITY OF ROME   (Italy)

^b McQuay Italia ^*  (Italy)

^c Engineering Department   (Italy)

Author keywords

Axial flux permanent magnet (AFPM) machine; Constant power speed range (CPSR); Mechanical flux weakening; Starter alternator

Indexed keywords

AUTOMOTIVE ALTERNATORS; AXIAL-FLUX PERMANENT-MAGNET (AFPM) MACHINE; CONSTANT POWER SPEED RANGE; CONSTANT POWER SPEED RANGE (CPSR); EXPERIMENTAL TEST; FLUX WEAKENING; MECHANICAL FLUX; MECHANICAL FLUX WEAKENING; OUTPUT VOLTAGE REGULATION; STARTER/ALTERNATOR; TRANSIENT OPERATING CONDITION;

ELECTRIC CURRENT REGULATORS; STARTERS; UNINTERRUPTIBLE POWER SYSTEMS; VOLTAGE CONTROL; VOLTAGE STABILIZING CIRCUITS;

PERMANENT MAGNETS;

EID: 70349961790     PISSN: 00939994     EISSN: None     Source Type: Journal    
DOI: 10.1109/TIA.2009.2027552     Document Type: Article

References (16)

1. P. Campbell, "Principles of a permanent magnet axial-field DC machine," Proc. Inst. Elect. Eng., vol. 121, no. 12, pp. 1489-1494, Dec. 1974.
2. C. C. Chan, "Axial-field electrical machines: Design and application," IEEE Trans. Energy Convers., vol. EC-2, no. 2, pp. 294-300, Jun. 1987.
3. E. Spooner and B. J. Chalmers, "TORUS-A slotless toroidal-stator, permanent magnet generator," Proc. Inst. Elect. Eng., vol. 139, no. 6, pt. B, pp. 497-506, Nov. 1992.
4. F. Caricchi, F. Crescimbini, F. Mezzetti, and E. Santini, "Multistage axialflux PM machine for wheel direct drive," IEEE Trans. Ind. Appl. vol. 32, no. 4, pp. 882-888, Jul./Aug. 1996.
5. N. F. Lombard and M. J. Kamper, "Analysis and performance of an ironless stator axial flux PM machine," IEEE Trans. Energy Convers. vol. 14, no. 4, pp. 1051-1056, Dec. 1999.
6. L. Del Ferraro, F. Giulii Capponi, R. Terrigi, F. Caricchi, and O. Honorati, "Ironless axial-flux PM machine with active mechanical flux weakening for automotive applications," in Conf. Rec. 41st IEEE IAS Annu. Meeting, Oct. 2006, vol. 1, pp. 1-7.
7. M. Masuzawa, N. Hirao, T. Sasaki, and M. Mita, "Brushless motor having permanent magnets," U.S. Patent 5 821 710, Oct. 13, 1998.
8. D. K. Rao, "Axial gap motor with radially movable magnets to increase speed capability," U.S. Patent 6 194 802, Feb. 27, 2001.
9. L. P. Zepp and J. W. Medlin, "Brushless permanent magnet wheel motor with variable axial rotor/stator alignment," U.S. Patent 7 042 128, May 9, 2006.
10. R. W. Horber, "Permanent magnet motor having flux density characteristics that are internally variable," U.S. Patent 6 844 647, Jan. 18, 2005.
11. L. Del Ferraro, F. Caricchi, and F. Giulii Capponi, "Analysis and comparison of a speed-dependant and a torque-dependant mechanical device for wide constant power speed range in AFPM starter/alternators," IEEE Trans. Power Electron., vol. 21, no. 3, pp. 720-729, May 2006.
12. A. C. Seidl and F. Walker, "Rotor shifting mechanism," U.S. Patent 3 187 213, Jun. 1, 1965.
13. R. Wang and M. J. Kamper, "Calculation of eddy current loss in axial field permanent-magnet machine with coreless stator," IEEE Trans. Energy Convers., vol. 19, no. 3, pp. 532-538, Sep. 2004.
14. M. Jufer and M. M. Radulescu, "Comparative study of slotted and slotless electronically-commutated permanent-magnet DC servomotors," in Proc. IEE 5th Int. Conf. Elect. Mach. Drives, Sep. 11-13, 1991, pp. 131-135.
15. H. C. Lovatt, V. S. Ramsden, and B. C. Mecrow, "Design of an inwheel motor for a solar-powered electric vehicle," Proc. Inst. Elect. Eng.-Electr. Power Appl., vol. 145, no. 5, pp. 402-408, Sep. 1998.
16. L. Del Ferraro, F. Giulii Capponi, and R. Terrigi, "Coil and magnet shape optimization of an ironless AFPM machine by means of 3D FEA," in Proc. IEMDC, May 2007, vol. 2, pp. 927-931