期刊
IEEE TRANSACTIONS ON ENERGY CONVERSION
卷 38, 期 2, 页码 982-992出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TEC.2022.3217347
关键词
Permanent magnets; magnetic couplings; eddy currents
The article investigates the use of permanent magnet eddy current couplings for high efficiency power transmission. Simulation studies compare the performance of radial- and axial-field topologies with squirrel cage and conducting sheets in terms of torque transmission density and efficiency. The results show that using a squirrel cage is more suitable for high efficiency power transmission, despite a higher torque transmission density with conducting sheets. A prototype of a radial-field single sided permanent magnet eddy current coupling with a copper squirrel cage is developed and tested, demonstrating good agreement between measurements and predictions.
The article is an investigation into permanent magnet eddy current couplings for high efficiency power transmission. Through extensive simulation studies, the performance of radial- and axial-field topologies, employing squirrel cage and conducting sheets, are compared in terms of torque transmission density and efficiency of power transmission. It is shown, that although using a conducting sheet (as it is often the case) results in higher torque transmission density, employing a squirrel cage is more suitable for high efficiency power transmission. A prototype of the proposed radial-field single sided permanent magnet eddy current coupling employing a copper squirrel cage is developed and tested, and a good agreement between measurements and predictions is demonstrated.
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