四电工程基础知识介绍.docxVIP

四电工程基础知识介绍

目录

一、电力系统基础知识........................................4

1.1电力系统的概念.......................................5

1.2电力系统的组成.......................................6

1.3电力系统的功能.......................................8

1.3.1电能的传输和分配.................................9

1.3.2电能的质量保证..................................10

1.3.3电力系统的稳定运行..............................11

二、电力电子技术基础.......................................12

2.1电力电子器件........................................14

2.1.1晶体管..........................................15

2.1.2绝缘栅双极型晶体管..............................16

2.1.3门极可关断晶闸管................................18

2.1.4电力场效应晶体管................................19

2.1.5晶闸管..........................................20

2.2电力电子电路........................................21

2.2.1整流电路........................................23

2.2.2逆变电路........................................24

2.2.3直流稳压电路....................................26

2.2.4交流调压电路....................................26

2.3电力电子技术在电力系统中的应用......................27

2.3.1电机控制........................................29

2.3.2无功补偿与谐波治理..............................30

2.3.3有源滤波器......................................31

三、电力通信与网络基础知识.................................32

3.1电力通信系统........................................33

3.1.1有线通信系统....................................34

3.1.2无线通信系统....................................36

3.2电力通信网络........................................36

3.2.1核心网..........................................38

3.2.2接入网..........................................39

3.2.3通信基站........................................40

3.2.4通信光缆........................................42

3.3电力通信技术........................................43

3.3.1光纤通信........................................44

3.3.2无线通信技术....................................45

3.3.3卫星通信技术....................................46

3.4电力通信网络安全.......