Comparison of synchronous PM machine types for wide constant-power speed range operation

  title={Comparison of synchronous PM machine types for wide constant-power speed range operation},
  author={Ayman M. El-Refaie and T. M. Jahns},
  journal={Fourtieth IAS Annual Meeting. Conference Record of the 2005 Industry Applications Conference, 2005.},
  pages={1015-1022 Vol. 2}
This paper presents a detailed comparison of the high-speed operating characteristics of four synchronous PM machines for applications that require wide speed ranges of constant-power operation. These machines include surface PM machines with both distributed and fractional-slot concentrated windings, and two interior PM machine with distributed windings. These two versions of the interior PM machine include one with and a tight constraint on the machine's back-emf voltage at top speed and one… CONTINUE READING
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