Abstract
With the increasing requirements of high efficiency, lightweight, miniaturization and low noise for electric ships and marine propulsion, the application of integrated distributed oil-immersed oil pump in electric ships and marine integrated electric propulsion has attracted more and more attention. This paper discusses the viscous loss and electromagnetic vibration of an oil immersed PMSM by using the experimental model and FEA. The fully oil immersed PMSM loss and vibration are very different from those of the traditional air running motors, which are easy to be ignored, its accuracy has great influence on performance and scheme design. Firstly, the variation law of viscous loss of oil-immersed motor with oil temperature and speed are discussed by means of test. Based on the above experimental data and combined with the basic theory of fluid mechanics, the friction loss calculation formula is modified, and a new calculation formula is also obtained. To reduce loss and vibration, some measures and structure design are proposed. Secondly, through field-circuit coupling electromagnetic finite simulation, the calculation scheme of two 10 kW 4431 r/min PMSM with surface-mounted and internal V-type for oil pumps are optimized and designed. Finally, the two kinds of prototype are produced and tested. The experimental results show that the surface-mounted oil-immersed PMSM has higher efficiency and lower vibration and noise than the internal V-type oil-immersed PMSM, and the rationality and effectiveness of the protocol and method are verified.
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Zhou, GH., Qiao, MZ., Yin, CT., Zhang, XF., Hao, QL., Ding, TH. (2023). Optimization Design of Oil-Immersed PMSM Based on Experimental Model. In: Yang, Q., Li, J., Xie, K., Hu, J. (eds) The Proceedings of the 17th Annual Conference of China Electrotechnical Society. ACCES 2022. Lecture Notes in Electrical Engineering, vol 1012. Springer, Singapore. https://doi.org/10.1007/978-981-99-0357-3_24
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DOI: https://doi.org/10.1007/978-981-99-0357-3_24
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