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High-speed permanent magnet synchronous machines (PMSMs) have attracted much attention due to their high power density, high efficiency, and compact size for direct-drive applications. However, the consequent power loss density is high, and hence heat dissipation is a major technical challenge. This is particularly the case for high-speed operation. In this paper, a MW level high-speed PMSM is designed...
Due to high-speed rotation, the problems about rotor mechanics and dynamics for outer rotor high-speed machine are more serious than conventional ones, in view of above problems the mechanical and dynamics analysis for an outer rotor high-speed permanent magnet claw pole motor are carried out. The rotor stress analytical calculation model was derived, then the stress distribution is calculated by...
According to the design characteristics of high speed permanent magnet synchronous motor, a 100kW, 50000r/min high speed permanent magnet synchronous motor is designed by 2D finite element method, and the electromagnetic characteristics of high speed permanent magnet synchronous motor at no-load and full-load condition are obtained by 2D finite element method. Because the sintered permanent magnet...
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