混相变极单绕组多速电动机的研究 二

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混相单绕组多速电动机的研究
摘要
 单绕组多速电动机，其转子为笼型绕组，通过改变定子绕组的接法，从而改变其极对数，从而达到调速的目的。具有结构简单、运行可靠、成本低廉等优点而被广泛应用。在本文采用的是混相变极原理对单绕组变速电动机进行设计。
 本文首先要介绍单绕组多速电动机在现在社会生产的应用和发展，让我们有明确的设计方向和意义。同时在以前的生产经验的基础和我们查阅资料的前提下，确定用混相法设计定子绕组的方案并做出分析，画出槽号相位图和绕组接线图。同时把在设计过程中，我们需要了解的变极调速原理有深入的介绍，各种变极调速的方法原理及绕组排列，清楚单绕组变速电动机运行时的各种特性及设计特点。然后在电机的设计部分，先详尽的叙述了电机设计程序及各主要参数的意义，同时通过给定的数据进行电机设计的计算。
 
关键词 ：混相变极   ；槽号相位；  单绕组多速电动机。

 
 Mix the research of the motor of many speeds of form winding of the looks
Abstract
 
 The motor of many speeds of single winding, its rotor is a cage type winding, through change law of connecting , stator of winding , change logarithm very much its , thus achieve the goal of adjusting speed. Have of simple structure operating reliable , cost advantaging such as being cheap extensive application. In literary grace this it spends to be to is it become principle change speed to single winding the motor is designed very much to mix.
 This text should introduce the motor of many speeds of single winding in the application and development of social production now first, let us have clear design direction and meaning. At the same time the foundation and we of former production experience are consulted under the prerequisite of the materials, confirm that draws the picture of phase place of brass-wind instrument of trough and winding wiring diagram by mixing the scheme of designing the stator winding of the looks law and making analysis. In the course of designing at the same time, we need understand is it transfer speed principle have deep introductions very much to become, various kinds of is it transfer method principle and winding of speed arrange , clear single winding change speed motor operate various kinds of characteristics when and design the characteristic very much to become. Then some designs in the electrical machinery, exhaustive narration electrical machinery design program first and every main meaning of parameter, at the same time through carrying on the calculation that the electrical machinery is designed for the data definitely.
 
Keyword: Mix becoming very much; Phase place of brass-wind instrument of trough ;
Motor of many speeds of single winding

目录
摘要 I
Abstract II
第1章  单绕组多速电动机的概况 1
1.1 多速电动机的特点 1
1.2 常见多速电动机 1
第2章  用混相法进行绕组设计 3
2.1  混相原理简介 3
2.2  混相绕组方案的确定与分析 4
2.3  定子绕组排列 4
2.3.1 用槽号向量图排列绕组 5
2.4  磁势分析和谐波计算 6
第3章 多速电动机的变极原理及设计特点 8
3.1 笼型三相异步电动机基本运行原理 8
3.2 变极调速的原理 10
3.3 多速电机的设计特点 12
第4章  电机设计程序分析 17
4.1电机的主要参数之间的关系式 17
4.2 电磁负荷的选择 21
4.3 线负荷A和气隙磁密Bδ的选择 23
4.4 电机主要尺寸比的选择及确定主要尺寸的一般方法 24
4.5电极主要数据的确定方法 26
4.5.1 主要尺寸和气隙的确定 27
4.5.2 电磁负荷的选择 28
4.5.3 主要尺寸比λ的选择 28
4.5.5 空气隙的确定 29
4.6 多速电动机电磁设计程序 30
第5章  三相单绕组多速电动机的变极调速方法 40
5.1 反向变极法 40
5.2 变频调速 44
5.3 转子回路串电阻调速 45
结束语 47
参考文献 48
致  谢 49

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