潜油电机内循环油路对潜油电机传热的影响
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摘要
基于流体网络解耦方法研究了潜油电机内部循环油路对潜油电机传热的影响。根据潜油电机轴向流场的重复性,以气隙、转轴内腔和扶正轴承甩油孔处的流体流速和压力之间的关系作为边界条件,对潜油电机全域流体场进行分区解耦,对局部典型区域通过三维流场分析,得到不含循环油路、油路垂直和油路重合情况下的潜油电机内部各部件温度的分布情况以及电机内部流体的流动状态,并给出了循环油路对潜油电机温度场和电机内部流体的流动特性的影响。通过与样机的试验数据对比分析,验证了流体网络分区解耦方法的有效性。为研究特殊结构电机的全域流体场及其热效应提供了理论依据。
The influence of the oil circulation system inside submersible motor on heat transfer of submersible motor was studied by fluid network decoupling method. According to the repeatability of the axial flow field of submersible motor,the loss pressure drop and flow rate at the end of a single motor were used as the control conditions,so that the whole motor model can decouple into a single motor. By analyzing the dimensional flow field of the typical region of motor,the temperature of the motor and the fluid characteristic of the fluid inside the motor were obtained under non oil circulation system,vertical oil circulation system and straight oil circulation system,and the influence of the oil circulation system inside submersible motor on heat transfer were explored. Compared with test data from the prototype,it shows that the method of fluid network partition decoupling is proved to be effective. The method provides a theoretical basis for the whole fluid field and thermal effect of special structure motor research.
The influence of the oil circulation system inside submersible motor on heat transfer of submersible motor was studied by fluid network decoupling method. According to the repeatability of the axial flow field of submersible motor,the loss pressure drop and flow rate at the end of a single motor were used as the control conditions,so that the whole motor model can decouple into a single motor. By analyzing the dimensional flow field of the typical region of motor,the temperature of the motor and the fluid characteristic of the fluid inside the motor were obtained under non oil circulation system,vertical oil circulation system and straight oil circulation system,and the influence of the oil circulation system inside submersible motor on heat transfer were explored. Compared with test data from the prototype,it shows that the method of fluid network partition decoupling is proved to be effective. The method provides a theoretical basis for the whole fluid field and thermal effect of special structure motor research.
引文
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[18]徐永明,沙亮,孟大伟.潜油电机设计方法的改进及实验验证[J].电机与控制学报,2012,16(7):73.XU Yongming,SHA Liang,MENG Dawei.Research and verification of design method for submersible motor[J].Electric Machines and Control,2012,16(7):73.
[19]才家刚.电机实验技术及设备手册[M].北京:机械工业出版社,2004:422-426.
[20]吴必瑞,谢善娟.一种变压器温度的无线检测系统设计[J].电气技术,2015,(11):61-63,72.WU Birui,XIE Shanjuan.Design of the temperature transformer based on remote wireless detection system design[J].Electrical Engineering,2015,(11):61-63,72.
[2]陈世成.试论油田中潜油电泵技术的应用[J].中国石油和化工标准与质量,2013(15):40.CHEN Shicheng.Application of electric submersible pump technology in oil field[J].Chinese Petroleum and Chemical Standard and Quality,2013(15):40.
[3]殷巧玉,李伟力,张晓晨.高速永磁发电机冷却流道结构双维度连续量子蚁群优化的温度场计算[J].中国电机工程学报,2011,31(36):77.YIN Qiaoyu,LI Weili,ZHANG Xiaochen.Analysis on temperature fields in HSPMG with grooves two dimensional optimal designed by continuous quantum ant colony optimization[J].Proceedings of the CSEE,2011,31(36):11.
[4]MOON SungHyun,YUN JangHo,KIM WanGi,et al.Thermalflow analysis and cooling performance enhancement of a totally enclosed fan-cooled motor[C].2013 International Conference on E-lectrical Machines and System,Busan,Korea,Oct 26-29,2013:2028-2030.
[5]熊万里,徐光帅,吕浪,等.高速大功率电机转子通风孔散热效率优化研究[J].机械科学与技术,2014,33(5):735.XIONG Wanli,XU Guangshuai,LV Lang,et al.Optimizing heat dissipation efficiency for air-cooling holes of rotor of high-speed and large-power motor[J].Mechanical Science and Technology for Aerospace Engineering,2014,33(5):735.
[6]马宏忠,陈涛涛,时维俊,耿志慧.风力发电机电刷滑环系统三维温度场分析与计算[J].中国电机工程学报,2013,33(30):98.MA Hongzhong,CHEN Taotao,SHI Weijun,et al.Analysis and calculation on three-dimensional temperature field of brush and slip ring systems for wind generators[J].Proceedings of the CSEE,2013,33(30):98.
[7]KIMK S,KIM H J,HONG J P.Thermal Equivalent Circuit Network For Outer Rotor Type Motors[C]//7th IET International Conference on Power Electronics,Machines and Drives(PEMD 2014),Manchester,UK,Apr,8-11,2014:1-4.
[8]梁培鑫,裴宇龙,甘磊,等.高功率密度轮毂电机温度场建模研究[J].电工技术学报,2015,30(14):170.LIANG Peixin,PEI Yulong,GAN Lei,et al.Research of temperature field modeling for high power-density in-wheel motor[J].Transactions of China Electrotechnical Society,2015,30(14):170.
[9]张建忠,姜永将.基于等效热网络法的定频双转子永磁风力发电机的热分析[J].电工技术学报,2015,30(2):87.ZHANG Jianzhong,JIANG Yongjiang.Thermal analysis of constant frequency double rotor permanent magnet generator based on equivalent thermal network method[J].Transactions of China Electrotechnical Society,2015,30(2):87.
[10]路义萍,孙雪梅,杜鹏,等.CFD设置对凸极同步电动机转子温度场影响[J].哈尔滨理工大学学报,2015,20(3):91.LU Yi-ping,SUN Xuemei,DU Peng,et al.Effect of CFD Settings on the Temperature Field of the Rotor with Salient Pole of SynchronousMotor[J].Journal of Harbin University of Science and Technology,2015,20(3):91.
[11]王立国,张凤娜,吕辛.基于热力学参数摄动分析的潜油电机温度辨识[J].电工技术学报,2011,26(6):7.WANG Liguo,ZHANG Fengna,LV Xin.Temperature identification of electric submersible motor based on perturbation analysis of thermodynamic parameters[J].Transactions of China Electrotechnical Society,2011,26(6):7.
[12]徐永明,蒋治国,艾萌萌.潜油电动机隔磁段电磁-热-力耦合特性研究[J].电工技术学报,2015,30(15):172.XU Yongming,JIANG Zhiguo,AI Mengmeng.Coupling characteristics research on electromagnetism and temperature and force of the magnetic isolated segment in the submersible motor[J].Transactions of China Electrotecnical Society,2015,30(15):172.
[13]刘赟,俞集辉,程鹏.基于电磁-热耦合场的架空输电线路载流量分析与计算[J].电力系统保护与控制,2015,43(9):28.LIU Yun,YU Jihui,CHENG Peng.Analysis and calculation on the ampacity of overhead transmissionlines based on electromagnetic-thermal coupling fields[J].Power System Protection and Control,2015,43(9):28.
[14]戈宝军,张志强,陶大军,等.轴向通风双馈异步发电机的温度场计算[J].中国电机工程学报,2012,32(21):86.GE Baojun,ZHANG Zhiqiang,TAO Dajun,et al.Thermal field calculation for doubly-fed induction generators with axial direction cooling systems[J].Proceedings of the CSEE,2012,32(21):86.
[15]RASEKH Alireza,SERGEANT Peter,VIERENDEELS Jan.Convective heat transfer prediction in disk-type electrical machines[J].Applied Thermal Engineering,2015,91(5):778.
[16]Staton D A,Cavagnino A.Convection heat transfer and flow calculations suitable for electric machines thermal models[J].IEEETransactions on Industrial Electronics,2008,55(10):3509.
[17]王晓远,杜静娟.应用CFD流固耦合热分析车用高功率密度电机的水冷系统[J].电工技术学报,2015,30(9):30.WANG Xiaoyuan,DU Jingjuan.Design and analysis of water cooling system for HEVs high-power-density motor using CFD and thermal technology[J].Transactions of China Electrotechnical Society,2015,30(9):30.
[18]徐永明,沙亮,孟大伟.潜油电机设计方法的改进及实验验证[J].电机与控制学报,2012,16(7):73.XU Yongming,SHA Liang,MENG Dawei.Research and verification of design method for submersible motor[J].Electric Machines and Control,2012,16(7):73.
[19]才家刚.电机实验技术及设备手册[M].北京:机械工业出版社,2004:422-426.
[20]吴必瑞,谢善娟.一种变压器温度的无线检测系统设计[J].电气技术,2015,(11):61-63,72.WU Birui,XIE Shanjuan.Design of the temperature transformer based on remote wireless detection system design[J].Electrical Engineering,2015,(11):61-63,72.