住宅小区供电系统设计VIP免费

本科毕业设计(论文)住宅小区供电系统设计ThePowerSupplySystemDesignofResidence学院：电子工程学院专业班级：电气工程及其自动化电气081学生姓名：沙岩学号：XXXXXXXXX指导教师：XXXXXXXX（副教授）2012年6月毕业设计（论文）中文摘要住宅小区供电系统设计摘要：本次毕业设计的课题是住宅小区供电系统的设计，根据设计的基本要求，运用所学的相关知识，查阅相关的资料，进行供电系统的初步设计。本次设计的基本流程是：进行负荷计算，根据负荷计算结果进行变压器的选择并确定供电方案，之后依次进行短路电流的计算，高、低压电器设备的选择和校验，继电保护，防雷与接地保护，电测量仪表设计，电梯双电源互备投电路设计等，在这一框架下，按照国家的标准，结合小区实际情况完成设计。本次设计考虑到了供电系统的安全、可靠、灵活、经济四项基本要求，在选择供电方案和电器设备时，优先选择低能耗并且满足设计要求的方案和设备，除此以外，还考虑到了小区未来的负荷发展情况，做到了远、近期结合，留有扩建的可能性。关键词：负荷统计；变压器选择；短路计算；继电保护；备用电源毕业设计（论文）外文摘要ThePowerSupplySystemDesignofResidenceAbstract:Thesubjectofthisgraduationprojectisthedesignoftheresidenceareapowersupplysystem.Accordingtothebasicrequirementsofthedesign,usingoftherelevantknowledge,searchingrelevantinformation.Beginthedesignofthepowersupplysystem.Thebasicprocessofdesignisloadstatistics,accordingtotheloadcalculationresultstoselectthetransformer,thenbegintheShort-circuitcalculation,selectionandcalibrationofhighandlowvoltageelectricalequipment,relayprotection,lightningarrestandgroundingprotection,electricalmeasuringinstrumentdesignandthedesignofelevatorpowereachotherpreparetoinput.Inthisframework,accordingtothenationalstandards,combinedwiththeactualsituationofresidentialtocompletethegraduationproject.Thisdesignconsiderationstothepowersupplysystemofsafe,reliable,flexibleandeconomicfourbasicrequirements,inthechoiceofpowersupplyplanandelectricalequipment,preferredselectlowenergyconsumeandmeetthedesignrequirementsoftheplanandequipment.Besides,considertotheresidentialfutureoftheloads,combinationofrecentandforward,itsupportthepossibilityoftheexpansion.Keywords:Loadstatistics;Transformerselection;Short-circuitcalculation;Relayprotection;Standbypower目录1引言.............................................................12负荷计算.........................................................22.1供电负荷的分析.................................................22.2供电负荷的计算.................................................33供电方案的确定...................................................53.1主接线方案原则.................................................53.2主接线方案设计.................................................53.3低压部分配电系统...............................................64变压器及线路的选择...............................................85短路计算........................................................115.1短路故障的形式................................................115.2短路电流的计算................................................116高、低压设备的选择..............................................136.1设备选择的基本原则............................................136.2高压设备的选择.................................................146.3低压设备的选择................................................157继电保护........................................................177.1继电保护的意义及设置原则.......................................177.2变压器的...