期刊
ELECTRIC POWER SYSTEMS RESEARCH
卷 154, 期 -, 页码 174-181出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.epsr.2017.07.031
关键词
Thermal transient analysis; Heat transfer; Permanent magnet synchronous machines; Finite element analysis; Computational fluid dynamic
This paper investigates a three-dimensional finite-element (3D-FEA) thermal analysis based on an embedded cooling system with various number of ducts for the outer-rotor permanent magnet synchronous machines (PMSMs). The segmented stator core due to closed-slot topology is the reason of a high temperature-rise at this core. The application-oriented study is aimed to reduce temperature-rise of the conventional model at the stator core via radial and circumferential airflow ducts. A temperature distribution, and heat transfer comparison among all FE models such as conventional, two and four ducts in-core natural cooling systems will be comprehensively presented through freezing the electromagnetic performance. The alternative models using FEA, and computational fluid dynamic (CFD) are experimentally verified the innovative technique, in which the generator is operated by a vertical axis twisted savonius type wind turbine (VAWT). (C) 2017 Published by Elsevier B.V.
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