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供配电系统课程设计报告Coursedesignreportofpowersupplyanddistributionsystem设计题目：某办公楼的供配电系统设计学院：电气信息工程学院学生姓名：鄢康罗伟学号：201431001194201431001111专业班级：电气卓工1401班指导教师：徐利梅时间：2017年6月12日供配电课程设计报告摘要Ⅰ摘要21世纪，虽然电能带来了巨大利益，但是电能的安全输配还是至关重要的，生活对电能供应的质量和管理提出了越来越高的要求。对于普通居民楼供电系统，设计和建造一个安全、经济的供配电系统，是极为重要的。本次设计作为某高级办公楼的设计，主要阐述了办公楼系统电气设计的设计依据、原则和方法及设计设备选择。其采用了一回10kv进线，两台变压器供电，高压侧采用线路—变压器接线，低压侧采用单母线分段联络方式，并有柴油发电机作为备用，柴油发电机供一二级负荷供电，提高了供电可靠性；在低压配电系统中采用放射式与树干式相结合，巧妙地利用将这两种方式的优点，同时提高了供电的经济性，避免材料浪费，符合科学发展，适合于未来时代的发展，具有一定的参考意义。此供配电系统供电设计包括：负荷归类、主接线方案、负荷计算、主变压器台数和容量、型式确定、进出线的方案选择、短路电流计算和无功功率补偿、开关设备选择、地下配变电线路布线方案确定、线路导线及其配电设备和保护设备选择、防雷接地系统设计等。本次设计完成图纸共1幅，绘图采用AutoCAD软件绘制。本办公楼电气工程设计为课程设计，其目的是通过设计实践，综合运用所学知识，理论联系实际，锻炼独立分析和解决建筑电气设计问题的能力，为以后的工作奠定坚实的基础。关键词：供配电设计负荷计算变压器设备选型供配电课程设计报告AbstractⅡAbstractIntwenty-firstCentury,althoughelectricalenergybroughtenormousbenefits,itwasvitaltosecurethetransmissionofelectricalenergy,lifehasputforwardhigherandhigherrequirementsforthequalityandmanagementofpowersupply.Forthegeneralresidentialpowersupplysystem,itisveryimportanttodesignandconstructasafeandeconomicalpowersupplyanddistributionsystem.Thedesignasaseniorofficebuilding,mainlyexpoundstheofficebuildingsystemelectricaldesignbasis,principlesandmethodsanddesignequipmentselection.Theuseofa10KVbackintoline,twosetsofpowersupplytransformerhighvoltagesidebylinetransformerwiring,lowvoltagesideofthesinglebuscontact,andasabackupdieselgenerator,dieselgeneratorforoneortwoloadpower,improvethereliabilityofpowersupply;Inthelow-voltagedistributionsystemusingradioandtrunktypecombination,thecleveruseoftheadvantagesofthetwomodes,whileimprovingtheeconomicalefficiencyofthepowersupply,avoidthewasteofmaterials,inlinewiththescientificdevelopment,suitableforthefuturedevelopmentofthetimes,hasacertainreferencevalue.Includingthepowersupplysystemofpowersupplydesign:loadclassification,mainwiringdesign,loadcalculation,maintransformercapacity,anddeterminethetypeandimportlineschemeselection,calculationofshort-circuitcurrentandreactivepowercompensation,switchingequipmentselection,undergroundsubstationwiringscheme,linesanddistributionequipmentandprotectiveequipmentlightningprotectionandgroundingsystemdesign,etc..Thedesigncompletedatotalof1drawings,drawingusingAutoCADsoftware.Thebuildingelectricalengineeringdesignforcurriculumdesign,itspurposeistodesignpractice,integrateduseofknowledge,theoryandpractice,exerciseindependentanalysisandproblemsolvingcapacitybuildingelectricaldesignandlayasolidfoundationforfuturework.Keywords：Powersupplyanddistributiondesignloadcalculationtransformerequipmentselection西南民族大学电信学院供配电课程目录1第一章绪论················································································31.1设计题目及工程概况·················································································31.1.1设计题目···········································································································31.1.2工程概况··············································································································································31.2设计目的································································································31.3设计原则和设计要求·················································································41.3.1设计要求···········································································································41.3.2设计原则··············································································································································41.4设计依据和设计程序·················································································51.4.1设计依据···········································································································51.4.2设计程序··············································································································································51.5设计任务及范围·······················································································51.6设计步骤·······························································································6第二章设计方案选择和布置·····························································72.1负荷统计和分类·······················································································72.2供电电源································································································82.3供配电所系统··························································································82.4电气主接线·····························································································9第三章负荷计算············································································93.1负荷计算的内容和目的··············································································93.2需要系数法····························································································103.3负荷计算·······························································································103.4系统无功功率补偿··················································································143.4.