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通过空气冷却和集成水冷系统相结合对感应电动机进行热管理分析。

Thermal management analyses of induction motor through the combination of air-cooling and an integrated water-cooling system.

机构信息

School of Mechanical Engineering, Vellore Institute of Technology (VIT), Vellore, Tamil Nadu, 632 014, India.

SQL Database Administration, Infosys Technologies Limited, Gachi Bowli, Hyderabad, Telangana, 500032, India.

出版信息

Sci Rep. 2023 Jun 22;13(1):10125. doi: 10.1038/s41598-023-36989-2.

DOI:10.1038/s41598-023-36989-2
PMID:37349529
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC10287674/
Abstract

The correct strategy of heat management in electric machines is extremely important due to their operating costs and length of operation. In this paper, the thermal management element strategies of the induction motors are developed to assure better endurance and boost efficiency. Additionally, an extensive review of the literature was carried out in terms of cooling methods for electrical machines. As the main result, the thermal analysis of an air-cooled and large-capacity induction motor is given, considering well-known heat distribution problems. Moreover, this study also presents an integrated approach with two or more cooling strategies to be the need of the hour. A model of a 100-kW air-cooled induction motor and an improved thermal management model of the same motor were both numerically investigated, using a combination of air cooling and integrated water cooling systems to achieve a significant improvement in motor efficiency. The integrated system comprising air- and water-cooled systems are investigated using SolidWorks 2017 and ANSYS Fluent version 2021. Three different flow rates of water 5 LPM, 10 LPM and 15 LPM are analyzed and compared with a conventional air-cooled induction motor, which was validated with the available published resources. Performed analyses indicate that for different flow rates of 5 LPM, 10 LPM and 15 LPM respectively, we have obtained a reduction of temperature accordingly of 2.94%, 4.79% and 7.69%. Hence, the results indicated that an integrated induction motor is efficient in bringing down the temperature compared to air cooled induction motor.

摘要

由于其运行成本和运行时间，正确的电机热管理策略对于电机来说极其重要。在本文中，为了确保更好的耐久性和提高效率，开发了感应电动机的热管理元件策略。此外，还就电机的冷却方法进行了广泛的文献综述。作为主要结果，考虑到众所周知的热分布问题，给出了风冷和大容量感应电动机的热分析。此外，本研究还提出了一种具有两个或更多冷却策略的综合方法，以满足当前的需求。使用空气冷却和集成水冷却系统的组合，对 100kW 风冷感应电动机模型和相同电动机的改进热管理模型进行了数值研究，以显著提高电动机效率。使用 SolidWorks 2017 和 ANSYS Fluent 版本 2021 研究了包括空气和水冷系统在内的集成系统。分析了三种不同的水流量 5 LPM、10 LPM 和 15 LPM，并与传统的风冷感应电动机进行了比较，后者与可用的已发表资源进行了验证。所进行的分析表明，对于分别为 5 LPM、10 LPM 和 15 LPM 的不同水流量，我们相应地获得了 2.94%、4.79%和 7.69%的温度降低。因此，结果表明，与风冷感应电动机相比，集成感应电动机在降低温度方面更有效。

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