某火力发电厂电气部分设计

内蒙古科技大学本科生毕业设计说明书（毕业论文）题目：某火力发电厂电气部分设计学生姓名：平千里学号：200540509120专业：电气工程及其自动化班级：电气05-1指导教师：李子剑讲师内蒙古科技大学毕业设计说明书（毕业论文）I某火力发电厂电气部分设计摘要火力发电在我国的起步较早，经过近几十年的迅速发展，各项措施已得到了不断的完善，但我们仍然还能够发现一些不足，如有关发电厂电气部分设计的一些不合理性、保护性措施的欠缺等。这些都需要我们通过设计出更加合理的方案来解决这些问题。本文将针对某火力发电厂的设计来对这些问题进行探讨，主要是对电气方面进行研究，期望提出更加合理的方案来完善现有设施。首先将会对火力发电的有关内容做一阐述，并对火力发电的现状做一描述；随后对火力发电厂的电气主接线设计和防雷保护的原理部分进行介绍，最后将给出该火力发电厂的主接线的设计和防雷保护的具体实现。关键词：火力发电；电气主接线；防雷保护内蒙古科技大学毕业设计说明书（毕业论文）IIElectricalDesignofaThermalPowerPlantAbstractThermalpowerplantinChinastartedearly,aftertherapiddevelopmentinrecentdecades,variousmeasureshavebeencontinuouslyimproving,butwecanstillfindanumberofshortcomings,suchasthedesignofsomeunreasonableintheelectricpowerplants,thelackoftheprotectionmeasuresinsomeplaces.Thisrequiresustodesignamorereasonableoptiontosolvetheseproblems.Inthispaper,thedesignofacoal-firedpowerplantwillbeputtoexploretheseproblems,mainlyforstudyingtheaspectoftheelectrical,putforwardamorereasonableplantoimprovetheexistingfacilities.Firstofall,thepaperwillmakeacontentofthepowerplant;secondly,thepaperwillintroducetheownersofcoal-firedpowerplantsforelectricalwiringdesignandlightningprotectionoftheprincipleparts.Finallythepaperwillgivethepowerofthemainwiringplantdesignandthepracticeofthelightningprotection.Keywords:Thermalpower;electricalmainwire;lightningprotection内蒙古科技大学毕业设计说明书（毕业论文）III目录摘要.........................................................................................................................................IAbstract......................................................................................................................................II第一章绪论..............................................................................................................................11.1课题提出的背景.........................................................................................................11.2课题研究的目的和意义.............................................................................................11.3课题研究的主要内容.................................................................................................21.4本章小结.....................................................................................................................2第二章火力发电厂的发电原理..............................................................................................32.1火力发电厂的生产过程.............................................................................................32.1.1火力发电厂的概述..........................................................................................32.1.2火力发电厂的生产过程................................................................................32.2火力发电厂的发电原理.............................................................................................62.3本章小结.....................................................................................................................7第三章火力发电厂的电气主接线及防雷保护......................................................................83.1电气主接线的概述.....................................................................................................83.2电气主接线的基本形式.............................................................................................93.2.1有汇流母线的主接线....................................................................................103.2.2无汇流母线的主接线..................................................................................223.3防雷保护的基本原理................................................................................................283.3.1防雷保护的现状..........................................................................................283.3.2防雷保护的基本原理..................................................................................29内蒙古科技大学毕业设计说明书（毕业论文）IV3.4本章小结.................................................................................................................33第四章火力发电厂的电气主接线设计................................................................................344.1电气主接线的设计...............................................................................................344.1.1电气主接线的设计原则............................................................................344.1.2火力发电厂电气主接线的设计................................................................364.1.3互感器和避雷器的配置............................................................................384.1.4主变压器的选择........................................................................................384.2厂用电接线的设计...............................................................................................404.2.1厂用电接线的基本要求............................................................................404.2.2厂用电接线的设计....................................................................................434.36kV线路过电流保护的设计.................................................................................444.4主接线防雷保护的设计.........................................................................................484.4.1发电厂的直击雷保护................................................................................48