Electromagnetic and mechanical design aspects of a high-speed solid-rotor induction machine with no separate copper electric circuit in the megawatt range |
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Authors: | Juha Pyrhönen Janne Nerg Aki Mikkola Jussi Sopanen Tuomo Aho |
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Affiliation: | (1) South Karelia University of Applied Sciences, Lappeenranta, Finland |
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Abstract: | The most crucial electro-magnetic and mechanical design aspects of an integrated electrical-motor–gas-compressor system in high speed and high power operation are presented. The electric motor type considered is a solid-rotor induction motor with properties of which are particularly well suited in high-speed operation. The effect of the electro-magnetic material properties of the solid rotor core material on the performance of the machine is discussed. Guidelines to improve the performance of the solid-rotor induction motor are given. Thermal design aspects of a solid-rotor induction motor are presented. The mechanical properties of a solid rotor are discussed. Bearing arrangements as well as the rotor dynamics of an integrated system are presented. |
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Keywords: | Solid rotor induction motor Solid rotor materials Electromagnetic design Thermal design Mechanical design Bearing arrangements Rotor dynamics |
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