科研之友
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摘要
For low-speed electrical machine applications, it is usually weight/size and cost effective to employ a high-speed machine together with a mechanical gearbox. However, the disadvantages associated with magnetic gearboxes can be overcome by mechanically and magnetically integrating a magnetic gear and a permanent magnet brushless machine, to create a "pseudo" direct-drive machine. It is shown that a torque density in excess of 60 kNm/m(3) can then be achieved, at a power factor in excess of 0.9.
- 出版日期2008-11
