电力系统基本元器件知识.docxVIP

电力系统基本元器件知识

目录

1.电力系统基本概念........................................4

1.1电力系统的组成.......................................4

1.2电力系统的功能.......................................5

1.3电力系统的分类.......................................7

2.电力系统元器件..........................................8

2.1变压器...............................................9

2.1.1变压器的种类....................................10

2.1.2变压器的构造....................................11

2.1.3变压器的工作原理................................13

2.2断路器..............................................13

2.2.1断路器的种类....................................15

2.2.2断路器的构造和工作原理..........................17

2.3接触器..............................................18

2.3.1接触器的种类....................................19

2.3.2接触器的构造和工作原理..........................20

2.4熔断器..............................................21

2.4.1熔断器的种类....................................23

2.4.2熔断器的构造和工作原理..........................24

2.5开关设备............................................25

2.5.1开关设备的种类..................................27

2.5.2开关设备的构造和工作原理........................28

3.电力系统保护和控制.....................................29

3.1继电保护............................................31

3.1.1继电保护的基本原理..............................33

3.1.2继电保护的种类和作用............................34

3.2自动控制............................................35

3.2.1自动控制系统的基本组成..........................37

3.2.2自动控制的方式和应用............................38

4.电力系统配电与输送.....................................39

4.1配电系统的组成......................................40

4.2电力电缆............................................42

4.2.1电力电缆的种类..................................44

4.2.2电力电缆的特性..................................44

4.3输电线路............................................46

4.3.1输电线路的组成..................................47

4.3.2输电线路的绝缘和耐压测试........................48

5.电力系统的测量与计量................................