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设计（论文）专用纸毕业设计（论文）题目：某冶金机械修造厂供配电系统设计学院：信息工程与自动化学院专业：自动化年级：2009级学生姓名：指导教师：职称：副教授日期：2013年3月—2010年6月设计（论文）专用纸KunmingUniversityofScienceandTechnologyGraduationProject(Thesis)Title:MetallurgicalMachineryPlantbuiltapowersupplyanddistributionsystemdesignCollege:InformationEngineeringandAutomationMajor:AutomationStudent:Class:Grade2009Teacher:ProfessionalTitle:AssociateProfessorDate：2010.3—2010.6设计（论文）专用纸第I页摘要一间冶金机械修造厂如果对输配电系统进行一个完善的规划，能很好地节约资金、合理规划用地、降低电能损耗、提高电压质量、保证系统的正常运行。本论文对输配电进行全面的设计，内容分四大部分。第一部分先从论文的背景和目的进行阐述，然后对原始资料来进行初步的分析，再确定好本论文的设计步骤。第二部分确定好冶金厂各部分的负荷，进行精确的计算，通过无功补偿来提高系统的功率因数减少电能的损耗。根据负荷的重要性和负荷的大小进行初步的变压器选择和合理的主接线、供电线路的设计。第三部分主要是确保系统的安全，首先对系统进行精确的短路计算，然后根据所得到的短路电流和冲击电流进行一系列的高低压设备的选择与校验，保证系统的正常运行。第四部分根据设计的要求，最后进行防雷保护措施的选择和接地装置的设计，增加系统的安全性。在论文的最后还附上设计的图纸和计算过程。关键词：负荷计算,主接线设计，短路计算，配电装置设计（论文）专用纸第II页AbstractThispaperintroducessomscoalmine35kVsubstationdesignground.Inthispaper,theloadcalculationandtransformersubstationofchoice,powersupplysystemwithshortcircuitcalculation,substationworkedelectical,relayprotectionschemewithsettingandworkedthelightningprotectionandgroundingsubstationisdetailedinstructions.Italsodiscussesthechoiceofmainwiring,highpressureequipmentandallkindsoftheprotectionofrelay,thecalculationofload,shortcurrentandsoonindetail,especially,thechoiceofmainwiring,transformerandsomeelectricequipmentsuchascircuitbreaker,currentandVoltagesensor.Itshowsmainwiringofsubstation,thedistributionofplaneandsomeprotectionequipmentofThedesignnotonlyadoptssomestable-formandgeneralprotectionsbutalsoadoptsPCprotection.Thesyntheticalautomationsystemofelectricpowersupervision,whichcanmakeworkersondutycontrolthesituationofsubstationtimely,operatetheequipmentsdirectly,knowthebreakdownanddealwithitwithoutdelay,sothatthesystemofpowersupplyisscientificandstandardinmanagement.What’smore,itcanexchangedatawithotherautomaticsystemsandgivefullplaytowholeadvantageinordertomanageinformationinallsystemsasawhole.Keywords:thecalculationofshortcurrent，theprotectionofrelay，circuitbreaker设计（论文）专用纸第III页目录前言.......................................................................................................................................................1第一章绪论.......................................................................................................................................21.1论文的背景及意义..................................................................................................................21.2工厂供电设计的一般原则......................................................................................................21.3原始资料.................................................................................................................................31.4本次设计的主要内容..............................................................................................................51.5本章小结.................................................................................................................................6第二章负荷计算与无功功率补偿........................................................................................................72.1负荷计算的意义......................................................................................................................72.2计算负荷的确定......................................................................................................................72.3无功功率补偿........................................................................................................................102.3.1无功功率补偿的分类................................................................................................102.3.2无功功率补偿的选择与计算....................................................................................112.3.3补偿方式综合比较......................................................................................................142.4本章小结...............................................................................................................................14第三章降压变电所及变压器的选择..................................................................................................163.1变电所所址选择的一般原则................................................................................................163.2降压变电所形式的分类与选择............................................................................................163.3变压器的选择........................................................................................................................183.3.1变压器的分类..............................................................................................................183.3.2变压器选择的原则......................................................................................................193.4变压器容量确定....................................................................................................................193.5本章小结...............................................................................................................................20第四章总降压变电所主接线设计...............................................................................................