Analysis Method and Experimental Research on Cooling System of High Power Submersible Motor

被引：0
|
作者：
Zhang Q. [1 ]
Li Z. [1 ]
Dong X. [1 ]
Liu Y. [1 ]
Wang Y. [2 ]
机构：
[1] College of Mechanical Electronic Engineering, China University of Petroleum, Qingdao
[2] CNPC Offshore Engineering(Qingdao) Company Limited, Qingdao
来源：
Zhongguo Jixie Gongcheng/China Mechanical Engineering | 2021年 / 32卷 / 03期
关键词：
Bidirectional coupling; Cooling system; Heat source analysis; High power submersible motor; Optimal design;
D O I：
10.3969/j.issn.1004-132X.2021.03.016
中图分类号：
学科分类号：
摘要：
In order to study the temperature distribution of high power submersible motors, a 580 kW submersible motor was calculated. The temperature field calculation model was established according to the working conditions. The automatic heat transfer was realized through configuring the fluid-structure interaction and the flows of internal and external cooling medium were simulated. The fixed values of iron loss of stator and rotor, the variable of oil friction loss and copper loss were used as heat source. Based on the influences of cooling system parameters, the bidirectional coupling relationship between temperature field and flow field was obtained. A cooling system analysis method was proposed. The proposed method was used to study the influence laws of cooling system structural parameters on temperature distribution. The optimal impeller parameters were obtained by comparing the cooling system calculation results under different impeller working characteristics. Finally, through the indoor no-load test and sea load test, the results show that the relative errors between test values and simulation ones of iron loss and temperature are less than 5%. The designed cooling system may operate stably under different loads. © 2021, China Mechanical Engineering Magazine Office. All right reserved.
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页码：368 / 377
页数：9
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