| 1000MW级汽轮发电机转子端部线圈温升的分析计算 |
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| 引用本文： | 胡晟,金如麟.1000MW级汽轮发电机转子端部线圈温升的分析计算[J].大电机技术,1999(6):1-5. |
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| 作者姓名： | 胡晟 金如麟 |
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| 作者单位： | 上海交通大学电力学院!上海，200030，上海交通大学电力学院!上海，200030，上海交通大学电力学院!上海，200030 |
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| 基金项目： | 国家机械工业技术发展基金 |
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| 摘 要： | 本文探索了一种适用于工程计算的温升计算方法，它避免了用有限元法计算时因种种假定所带来的误差。提供了分析１０００ＭＷ级水氢氢汽轮发电机转子端部线圈各段的压力损失和节点单元温升的分析计算方法。考虑到电机绕组的对称性；将二分之一极绕组分成ｍｘｎ个温度计算单元，建立了准三维热模型，给出了绕组节点单元热等效网络和任一节点单元导体的热２方程，用数值法计算了一 台９３０ＭＷ４极水５氢氢汽轮发电机，将计算值与试验
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| 关 键 词： | 汽轮发电机 转子端部线圈 热平衡方程 温升计算 |
Analysis and Computation of the Rotor End Turn Coils Ventilation and Temperatures of 1000MW Inner cooled Turbogenerator |
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| HU Sheng, TAN Fu-wa, JIN Ru-lin.Analysis and Computation of the Rotor End Turn Coils Ventilation and Temperatures of 1000MW Inner cooled Turbogenerator[J].Large Electric Machine and Hydraulic Turbine,1999(6):1-5. |
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| Authors: | HU Sheng TAN Fu-wa JIN Ru-lin |
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| Abstract: | A method to analyze and calculate the Pressure losses and coolant and copper temperatLires oftLhe inner cooled rotor end tum coils of a 1000MW turbogenerator has been provided. The ventilation andtemperatures of each turn of every coil for one half of one pole at one end are studied, assuning ymmetry for the other pole half and the remaining poles. A three fornsional thermal whel which seParates mtums into m x n nodes is given. The results of computation of a 930MW turbogenerator are consistent withthe test. The appropriate readjustment of the numbers and sizes and shapes can improve the distribution ofthe volume flow and temperature of end turn coils. |
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| Keywords: | turbogenerator rotor end turn coils node equation pressure losses temperature rise |
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