Download Limits, Modeling and Design of High-Speed Permanent Magnet by Aleksandar Borisavljevic PDF

By Aleksandar Borisavljevic

There is increasingly more purposes that require fast-rotating machines; motivation for this thesis comes from a undertaking within which downsized spindles for micro-machining were researched. The thesis makes a speciality of research and layout of high-speed PM machines and makes use of a realistic layout of a high-speed spindle force as a try case. Phenomena, either mechanical and electromagnetic, that take priority in high-speed everlasting magnet machines are pointed out and systematized. The thesis identifies inherent pace limits of everlasting magnet machines and correlates these limits with the elemental parameters of the machines. The analytical expression of the proscribing amounts doesn't in basic terms impose good constraints at the laptop layout, but in addition creates the best way for layout optimization resulting in the utmost mechanical and/or electromagnetic usage of the desktop. The types and electric-drive thoughts built within the thesis are evaluated in a pragmatic setup.

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Extra resources for Limits, Modeling and Design of High-Speed Permanent Magnet Machines

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Jang, S. Jeong, D. Ryu, S. Choi, Comparison of three types of pm brushless machines for an electro-mechanical battery. IEEE Trans. Magn. 36(5), 3540–3543 (2000) 20. A. Nagorny, N. Dravid, R. Jansen, B. Kenny, Design aspects of a high speed permanent magnet synchronous motor/generator for flywheel applications, in Electric Machines and Drives, 2005 IEEE International Conference on, pp. 635–641, 15 May 2005 21. S. H. M. Kankam, Experimental performance evaluation of a highspeed permanent magnet synchronous motor and drive for a flywheel application at different frequencies, in Proceedings of 17th International Conference on Electrical Machines—ICEM, 2006 22.

Physical factors that lie behind speed limits of PM machines in general are defined in Sect. 5. Finally, Sect. 6 attempts to theoretically correlate maximum rated powers and speeds of PM machines with respect to their inherent limits defined in the preceding section. 2 PM Machines: Overview Permanent magnet machines have become increasingly popular in the last two decades. They have replaced induction machines in a great number of converter-fed electrical drives and motion control systems1 [1, 2].

Binns, D. Shimmin, Relationship between rated torque and size of permanent magnet machines. IEE Proc. Electr. Power Appl. 143(6), 417–422 (1996) 3. S. Trout, Rare earth magnet industry in the USA: current status and future trends, in 17th International Workshop on Rare Earth Magnets and Their Applications, University of Delaware, 2002 4. T. Shimoda, A prospective observation of bonded rare-earth magnets. IEEE Trans. J. Magn. Jpn. 8(10), 701–710 (1993) 5. P. Campbell, Magnet price performance, in Magnetic Business and Technology, 2007 6.

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