单相电容起动异步电动机实验报告.docxVIP

单相电容起动异步电动机实验报告

目录

一、实验概述................................................2

1.1实验目的.............................................2

1.2实验原理.............................................3

1.2.1单相异步电动机结构...............................4

1.2.2电容起动原理.....................................6

1.3实验器材.............................................7

1.3.1单相电容起动异步电动机...........................8

1.3.2电源及调压器.....................................9

1.3.3万用表..........................................10

1.3.4绝缘电阻测试仪..................................12

二、实验步骤...............................................12

2.1实验准备............................................13

2.1.1检查实验器材....................................14

2.1.2电机接线检查....................................15

2.2实验操作............................................16

2.2.1测量电机绝缘电阻................................17

2.2.2接通电源并调节电压..............................19

2.2.3观察电机起动过程................................20

2.2.4测量电机运行参数................................21

2.3数据记录............................................22

2.3.1起动电流........................................23

2.3.2运行电流........................................24

三、实验结果分析...........................................25

3.1实验数据整理........................................26

3.2起动特性分析........................................27

3.3运行状态分析........................................29

3.3.1运行电流稳定性..................................29

3.3.2转速波动情况....................................31

3.3.3功率因数分析....................................32

四、实验问题讨论...........................................32

4.1电容对起动性能的影响................................34

4.2电压波动对电机运行的影响............................34

4.3实验中遇到的问题及解决方案..........................35

五、实验结论...............................................36

5.1实验成果总结........................................37

5.2实验不足与改进建议..................................38

一、实验概述

单相电容起动异步电动机是一