[1]马明晗,武玉才,李永刚.核电四极汽轮发电机转子典型故障温度场分析[J].哈尔滨工程大学学报,2019,40(05):1018-1023.[doi:10.11990/jheu.201801030]
 MA Minghan,WU Yucai,LI Yonggang.Temperature field analysis of the typical faults of nuclear four-pole turbo-generator rotor[J].hebgcdxxb,2019,40(05):1018-1023.[doi:10.11990/jheu.201801030]
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核电四极汽轮发电机转子典型故障温度场分析(/HTML)
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《哈尔滨工程大学学报》[ISSN:1006-6977/CN:61-1281/TN]

卷:
40
期数:
2019年05期
页码:
1018-1023
栏目:
出版日期:
2019-05-05

文章信息/Info

Title:
Temperature field analysis of the typical faults of nuclear four-pole turbo-generator rotor
作者:
马明晗 武玉才 李永刚
华北电力大学 电气与电子工程学院, 河北 保定 071003
Author(s):
MA Minghan WU Yucai LI Yonggang
School of Electrical and Electronic Engineering, North China Electric Power University, Baoding 071003, China
关键词:
核电汽轮发电机转子匝间短路风路堵塞温度场对流换热有限元法故障诊断
分类号:
TM311
DOI:
10.11990/jheu.201801030
文献标志码:
A
摘要:
为了解决高速旋转的转子容易产生多类故障问题,本文对发电机转子典型故障的温度场进行分析,评估故障影响和机组带病运行能力。采用有限元方法建立了TA-1100-78型四极汽轮发电机的三维传热模型,计算并分析了转子不同程度、不同位置励磁绕组匝间短路以及转子风路堵塞时的转子三维温度场。结果表明:转子匝间短路和风路堵塞均会引起转子温度场分布的不平衡。匝间短路程度越高,转子温度场不平衡度越大,温升越大;匝间短路位置越靠近转子大齿,转子温度场畸变程度越高。风孔堵塞对转子温度场影响与堵塞位置有关,单排风孔堵塞引起堵塞点附近区域温升明显,双排风孔堵塞对整体温度场影响不大。转子典型故障三维温度场分析为发电机的设计、运行和维护提供了理论参考。

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备注/Memo

备注/Memo:
收稿日期:2018-1-10。
基金项目:国家自然科学基金项目(51107039);河北省自然科学基金项目(E2016505031);中央高校基础科研资金项目(2016XS97).
作者简介:马明晗,男,博士研究生;李永刚,男,教授,博士生导师.
通讯作者:马明晗,E-mail:NCEPU_MMH@outlook.com
更新日期/Last Update: 2019-05-14