摘要本次设计的课题是住宅小区10KV供电系统的初步设计，该供电系统是有两个配电室和一个开闭所组成的住宅小区专用的降压变电系统，具有10KV和380V两个电压等级，10KV一侧接与110KV变电站的10KV母线，380V主要用于小区用户的用电。本次所设计的供电系统是非常重要的，如果系统出故障了，将影响整个住宅小区的供电，所以可靠性要求很高。所以这次设计必须考虑到供电系统的安全性、可靠性及经济性。本说明书通过对变电站的主接线设计，短路电流计算，主要电气设备型号和参数的确定，电气设备的动热稳定校验，备用电源的自动投入设计，无功补偿设计，防雷和过电压保护装置的设计较为详细地完成了电力系统中变电站的设计。本次设计论文是以我国现行的各有规范规程等技术标准为依据，所设计是一次初步设计，根据任务书提供原始资料，参照有关资料及书籍，对各种方案进行比较而得出。关键词配电室；短路计算；无功补偿；备用电源投入AbstractThedesignofthisresidentialareaisthesubjectofthepreliminarydesignof10KVpowersupplysystem,thepowerdistributionsystem,therearetworoomsandanopeningandclosingaresidentialareaconsistingofadedicatedstep-downtransformersystemwith10KVand380V2avoltage,10KVand110vKVsubstationsideoftheaccessbus10KV,380Velectricitymainlyforresidentialusers.Thepowersupplysystemdesignedisveryimportant,ifthesystemisbroken,theentireresidentialareawillaffectthepowersupply,sothehighreliabilityrequirements.Therefore,thedesignmustmakeintoaccountthepowersystemsecurity,reliabilityandeconomy.Thismanualwiringthroughthemainsubstationdesign,shortcircuitcalculation,themainelectricalequipmenttodeterminethemodelandparameters,electricalequipment,thedynamicthermalstabilitytest,automaticbackuppowersupplydesign,reactivepowercompensationdesign,lightningprotectionandovervoltageprotectionDevicecompletedindetailthedesignofsubstationsinpowersystem.Thisdesignthesisisbasedonourcurrentnormsoforderandotherrelevanttechnicalstandardsasthebasis,thedesignisapreliminarydesign,thedesignisapreliminarydesign,accordingtomandateoftheoriginalbooktoprovideinformation,referenceinformationandbooks,tocomparethevariousprogramswhichhavecome.KeywordsDistributionroom;Short-circulation;Reactivepowercompensation;BackupPowerInput目录TOC\o"1-3"\h\z\uHYPERLINK\l"_Toc311231118"摘要PAGEREF_Toc311231118\hIHYPERLINK\l"_Toc311231119"AbstractPAGEREF_Toc311231119\hIIHYPERLINK\l"_Toc311231120"目录PAGEREF_Toc311231120\hIIIHYPERLINK\l"_Toc311231121"绪论PAGEREF_Toc311231121\h1HYPERLINK\l"_Toc311231122"1