|本期目录/Table of Contents|

[1]李伟力,孙宏丽,于海涛,等.汽轮发电机定子绕组异结构饱和参数与温度场计算[J].电机与控制学报,2011,(03):25-34.
 LI Wei-li,SUN Hong-li,YU Hai-tao.Calculation of saturation parameters and temperature field for turbo-generator stator winding with different structure[J].,2011,(03):25-34.
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汽轮发电机定子绕组异结构饱和参数与温度场计算(PDF)
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《电机与控制学报》[ISSN:1007-449X/CN:23-1 408/TM]

卷:
期数:
2011年03
页码:
25-34
栏目:
出版日期:
2011-04-30

文章信息/Info

Title:
Calculation of saturation parameters and temperature field for turbo-generator stator winding with different structure
作者:
李伟力; 孙宏丽; 于海涛;
哈尔滨理工大学电气与电子工程学院; 国营北京曙光电机厂; 南车株洲电机有限公司;
Author(s):
LI Wei-li1; SUN Hong-li2; YU Hai-tao3
1.School of Electrical and Electronic Engineering; Harbin University of Science and Technology; Harbin 150080; China; 2.State-owned Beijing Shuguang Motor Factory; Beijing 100028; 3.CSR Zhuzhou Electric Machinery Company Limited; Zhuzhou 412001; China
关键词:
汽轮发电机 电磁场 同步电抗 过载 温度场
Keywords:
turbo-generator electromagnetic field synchronous reactance overload temperature field
分类号:
TM311
DOI:
-
文献标志码:
A
摘要:
以150MW空冷汽轮发电机为例,为研究定子绕组异结构对发电机饱和参数与温度场的影响,给出发电机的求解域和数学模型。利用有限元方法,计算了汽轮发电机在额定状态下,定子绕组上、下层线棒不等股数不等截面和等股数等截面两种结构下的负载场,并分析了穿越气隙进入定子齿槽的磁通大小及沿定子内圆周向的变化情况,得到定子绕组不同结构下,磁场的变化情况;在负载场基础上,计算了额定状态下的定子绕组两种结构时的直、交轴同步电抗,并分析了定子绕组不同位置的矢量磁位对饱和电抗值Xd和Xq大小的影响。基于上述电磁场计算结果,分析了两种结构过载情况时电机参数Xd和Xq与定子温度分布的变化情况。研究发现两种结构的直、交轴同步电抗的标幺值相差不大,同一种结构不同过载状态下温度变化趋势基本一致,且齿部和轭部温度变化不大,最高温度出现的位置也没有变化。
Abstract:
Take a 150MW air cooled turbo-generator as an example.In order to investigate the influence of strand structure on saturation parameters and stator temperature,the solving region and mathematical model were given.Using finite element method,the loaded field was calculated for two structures of stator windings with inequality strands and sections and equality strands and sections of upper and bottom windings under rated load using numerical methods.And variation of flux through teeth and slots of stator alon...

参考文献/References:

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备注/Memo

备注/Memo:
国家自然科学基金(51077031); 教育部博士点科研基金(20050214003); 黑龙江省教育厅振兴老工业基地项目(1153gc01)
更新日期/Last Update: 2011-07-13