地方电力网规划毕业设计范本

整理文档很辛苦,赏杯茶钱您下走!

免费阅读已结束,点击下载阅读编辑剩下 ...

阅读已结束,您可以下载文档离线阅读编辑

资源描述

四川大学本科毕业论文地方电力网规划设计1目录第一章电力电量平衡.......................................51.1.系统最大供电负荷计算.....................................51.2.工作容量计算.............................................51.2.1.水电工作容量的计算.............................................51.2.2.火电厂工作容量的计算...........................................71.3.备用容量的计算...........................................81.3.1.负荷备用容量的计算............................................................................................81.3.2.事故备用容量的计算............................................................................................81.3.3.水电厂承担的备用容量........................................................................................91.3.4.火电厂承担的备用容量......................................................................................101.3.5.系统需要的备用容量..........................................................................................101.4.系统需要装机容量计算....................................111.5.总的电力平衡表..........................................121.6.用表格法进行电量平衡....................................131.6.1.按月求电力网月平均负荷..................................................................................131.6.2.按月求火电厂的月平均出力..............................................................................141.7.求年利用小时数..........................................161.7.1.水电年利用小时数:..........................................................................................161.7.2.火电年利用小时数:..........................................................................................16第二章电网电压等级的确定和电网接线方案的初步选择.........172.1.电网电压等级的选择......................................172.2.电网接线方案的初步选择和比较............................172.2.1.第一种方案..........................................................................................................172.2.2.第二种方案:......................................................................................................182.2.3.第三种方案:......................................................................................................19第三章电网接线方案的详细比较和确定.......................213.1.第二种方案:............................................21四川大学本科毕业论文地方电力网规划设计23.1.1.线路导线截面积的选择:..................................................................................213.1.2.架空线电压损耗和电能损耗的计算:..............................................................233.2.第三种方案:............................................263.2.2.线路导线截面积的选择:..................................................................................263.2.3.架空线电压损耗和电能损耗的计算:..............................................................273.3.电网一次投资的计算:....................................303.4.年运行费用:............................................30第四章潮流分布与调压措施的选择...........................314.1.变压器的选择............................................314.2.电力网等值电路图........................................34第五章运行特性的计算....................................355.1.最大运行方式............................................355.2.最小运行方式............................................35附录:设备和材料清单.......................................36参考文献..................................................37四川大学本科毕业论文地方电力网规划设计3地方电力网规划设计专业:电气工程及其自动化学生:於海指导老师:摘要:电能是目前世界各国能源消费的主要形式之一。要满足国民经济发展的需要,电力工业必须先行,因此做好电力工程建设的前期工作,落实发、送、变电本体工程的建设条件,协调其建设进度,优化其设计方案,其意义尤为重大。电力系统规划设计正是电力工程前期工作的重要组成部分,它是关于单项本体工程设计的总体规划,是具体建设项目实施的方针和原则,是一项具有战略意义的工作。电网设计的任务是根据设计期内的负荷要求及电源建设方案,确定相应的电网接线,以满足可靠、经济地输送电力的要求。电力网规划设计是在负荷分析、电源规划之后,发电厂与变电站的位置、容量、负荷等已确定的条件下,进行网络的规划设计。即要选定网络电压等级、网络接线方式、导线型号等,并进行潮流分布及调压计算,通过技术经济分析,得出最佳方案。现规划设计了一个容量在100MW以下的,包括2个发电厂(1个火电厂,1个水电厂)、5个变电站的35~110KV的地方电力网。关键词:电力系统;电力网;规划;设计四川大学本科毕业论文地方电力网规划设计4TheDesignofLocalPowerNetworkMajor:ElectricalEngineeringandAutomationStudentYuHaiAdvisorAbstract:Oneofthemainshapethattheelectricpoweristheworldeveryastatenationenergyresourcesconsumptionatthemoment。Willcontentnationaleconomydevelopmentnecessaries,Thepowerindustryhavetobestartoffbeforetheothers,Henceactsthegoodelectricpowerprojectbuildingearlierdaysdos,Ascertainingdelivers、Send、Changeintotheelectricitysubstanceprojectbuildingterm,Harmonizesuchbuildingrateofadvance,Optimizesuchdesignscheme,Suchsenseisgreatlyespecially。Powersystemthemakingaprogramdesignisbeingthesignificantcomponentpartthattheelectricpowerprojectwasdoneearlierdays,Itistheoverallplanningontheindividualeventsubstanceengineeringdesignation,Itisconcretebuildingitemimplementationguidingprincipleandrule,Itisajobthathasthestrategysense。Theelectrifiedwirenettingdesignmissionisonthebasisofthedesignstageinnerplacetheburdenrequiresthepowersourcebuildingscheme,Certainrelevantelectrifiedwirenettingwiring,Itisdependableinordertomeet、Transporttoeconomytheelectricpowerdemand。Electricpowernetthemakingaprogramdesignisanalysisattheburden、Afterthepowersourceplanning,Powerstationtogetherwithplacethatchangesintothepowerstation、Capacity、Theburdenawaitsbelowcertainterm,Carryontheelectricnetworkplanningdesign。Inimmediatefuturetheelectricnetworktensionrankbefixed、Electricnetworkwiringmeans、Theleadtypeawaits,Thattheadvancesidebysiderowflowdistributetoreachshiftsisgetting

1 / 37
下载文档,编辑使用

©2015-2020 m.777doc.com 三七文档.

备案号:鲁ICP备2024069028号-1 客服联系 QQ:2149211541

×
保存成功