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High-speed electric machines (HSEMs) have been widely used in many of today’s applications and are gaining more attention in the automotive industry. However, many special design challenges exist for HSEMs. This paper aims to summarize and discuss major challenges and design considerations for HSEMs. Solutions to overcome these challenges are also offered in this paper. Four major loss components...
Due to their inherent high power density, high-speed multi-megawatt electric machines are becoming increasingly more popular in many applications including industrial, petro-chemical, mining, and marine. In this paper, state-of-the-art high-speed multi-megawatt electric machines are reviewed. The power range, speed range, and specific power of different high-speed multi-megawatt electric machine topologies,...
High speed electric machines have been widely used in many applications nowadays and are gaining more attention. However, many special design challenges exist for HSEMs. This paper aims to discuss major challenges and design considerations for HSEMs. Four different loss components of high speed design are discussed and the methods to reduce each loss component are elaborated. Bearing options for HSEMs...
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