基于流热耦合的表冷型转子线圈温度场仿真计算  

Simulation Calculation of Temperature Field of the Air-surface Cooling Rotor Coils Based on Fluid-Heat Coupling

作　　者：郦泽嵘 徐国俊 咸哲龙 LI Zerong;XU Guojun;XIAN Zhelong(Shanghai Electric Power Generation Equipment Co.,Ltd.Generator Plant,200240)

机构地区：[1]上海电气电站设备有限公司发电机厂,200240

出　　处：《电机技术》2024年第1期6-10,共5页Electrical Machinery Technology

摘　　要：文章以某空表冷发电机为研究对象,采用经典公式算法和计算流体动力学方法,对转子表面风摩损耗及转子线圈温升进行计算,并对不同方法得到的计算值与试验值进行对比分析。结果表明,低转速工况下两种方法得到的风摩损耗数值基本一致;采用计算流体动力学方法得到的转子线圈温度更接近试验值。该计算方法可支撑发电机通风冷却系统的设计及优化。The article takes an air-surface cooling generator as the research object,the classical formula algorithm and the computational fluid dynamics method are adopted to calculate the wind friction loss on the rotor surface&the temperature rise of the rotor coil,compare and analyze the calculated values obtained by different methods with the experimental values.The results show that the values of wind friction loss obtained by the two methods are basically the same under the low-speed working condition while the rotor coil temperature obtained by the computational fluid dynamics method is closer to the test value.This calculation method supports the design and optimization of the generator ventilation and cooling system.

关 键 词：空冷发电机 转子线圈 温度场 流热耦合 

分 类 号：TM302[电气工程—电机]