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History of interior permanent magnet motors [History]

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1 Author(s)
Rahman, M.A. ; Memorial Univ. of Newfoundland, Univ. of Malaya, St. John's, NL, Canada

Electric energy forms the backbone of modern civilization. Efficient energy consumption is the key to solving the 21st century global issues on climate change. Electric motors consume over 65% of the world's generated electrical power, and hence improvements in the efficiency of motors make significant imprints on reduction of its consumption. A close examination reveals that different technological advancements and market forces have combined sometimes in fortuitous ways to accelerate the development of high-efficiency interior permanent magnet (IPM) synchronous motors. The objective of this article is to provide a short introduction to the recent emergence of high-efficiency and high-performance IPM synchronous motors for applications such as in automobiles and air conditioners to reduce global warming and save energy.

Published in:

Industry Applications Magazine, IEEE  (Volume:19 ,  Issue: 1 )