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[1]路义萍,郑国丽,丰帆,等.大型空冷汽轮发电机转子多种通风方案比较[J].电机与控制学报,2010,(08):24-30.
 LU Yi-ping,ZHENG Guo-li,FENG Fan,et al.Comparison of various ventilation proposals for a largeair-cooled turbo-generator rotor[J].,2010,(08):24-30.
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大型空冷汽轮发电机转子多种通风方案比较(PDF)
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《电机与控制学报》[ISSN:1007-449X/CN:23-1 408/TM]

卷:
期数:
2010年08
页码:
24-30
栏目:
出版日期:
2010-09-20

文章信息/Info

Title:
Comparison of various ventilation proposals for a largeair-cooled turbo-generator rotor
作者:
路义萍; 郑国丽; 丰帆; 秦玉书; 韩家德;
哈尔滨理工大学机械动力工程学院; 哈尔滨电机厂有限责任公司质量保证部;
Author(s):
LU Yi-ping1; ZHENG Guo-li1; FENG Fan1; QIN Yu-shu2; HAN Jia-de1
1.School of Mechanical & Power Engineering; Harbin University of Science and Technology; Harbin 150080; China; 2.Quality Assurance Department; Harbin Electric Machinery Co.; Ltd.; Harbin 150040; China
关键词:
温度场 数值模拟 转子 汽轮发电机 通风方案
Keywords:
temperature field numerical simulation rotor turbo generator ventilation proposal
分类号:
TM311
DOI:
-
文献标志码:
A
摘要:
为分析转子不同通风方案的冷却效果,以某大型空冷汽轮发电机转子为例,建立其端部绕组最长的单个线圈的物理模型,在各个通风段长度确定的情况下,改变进、出风口大小、位置及挡块布置。根据计算流体力学原理模拟额定工况转子内部流场及温度场,比较不同通风方案转子内部冷却介质流量分布、转子绕组最高温度以及温度分布的均匀性。研究结果表明,转子端部绕组风口位置决定了绕组内冷风路的长短、冷却风量大小、冷却介质温度分布及绕组温度分布。合理布置风口可增加进入转子绕组的冷却风量并调节进入各段绕组的进风百分比,保证转子在最高容许工作温度以下工作,并使转子温度分布较均匀。
Abstract:
In order to analyze the cooling effect of different ventilation proposals in the rotor,a physical model of single coil of the longest end winding was established for a large air-cooled turbine generator rotor,which can change the size and location of inlet and outlet as well as the block layout in the case of determining each ventilation segment length.In order to compare the cooling medium flow distribution of different ventilation proposals in rotor,the maximum temperature of the rotor winding and the uni...

参考文献/References:

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备注/Memo

备注/Memo:
国家自然科学基金资助项目(50976027); 黑龙江省教育厅基金资助项目(11541056)
更新日期/Last Update: 2010-11-16