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1、.WORD文档下载可编辑.摘要随着人们的居住条件的不断改善,人们对小区电力供应的要求越来越高,特别是供电的可靠性和持续性。这就要求在进行供配电系统设计时要结合该小区的规模和规模标准来设计,要既能满足小区的用电负荷,又能保证小区的供电安全及供电可靠性。本次设计课题内容为某小区10KV供配电系统设计。论文的主体结构为:首先论述了课题的意义和设计概况,主要包含此小区供配电系统的设计理论。设计前期根据民用住宅建筑物的负荷计算准则来进行负荷计算,运用了三种负荷计算方法对各类别的用电负荷进行计算和统计,经过分析选择低压集中无功补偿方式,采用并联电容
2、器,使功率因数由0.85提高到0.932,大大降低了设备运行的损耗;再采用标幺值法对短路电流进行运算,选择主要电气设备的型号和参数,灵活将电器设备的原理进行理解及运用,根据数据表,选择了合适的电缆型号和截面。后期则从防直击雷和接地系统的角度,对建筑物进行防雷保护的设计,及图纸的绘制。关键词:供配电系统;短路计算;无功补偿专业资料整理分享.WORD文档下载可编辑.ABSTRACTWiththecontinuousimprovementofpeople'slivingconditions,people'sdemandforresidenti
3、alpowersupplyisincreasinglyhigh,especiallythereliabilityandcontinuityofpowersupply.Thisrequiresthedesignofpowersupplyanddistributionsystemtocombinethesizeandscaleofthedistrictstandardstodesign,tobothmeetthedistrict'selectricityload,butalsotoensurethatthedistrict'spowersu
4、pplysecurityandreliability.Thisdesigntopicfortheresidentialarea10KVpowersupplyanddistributiondesign.Themainstructureofthethesisisasfollows:firstly,thesignificanceandthedesignoftheprojectarediscussed,includingthedesigntheoryofthepowersupplyanddistributionsystem.Preliminar
5、ydesignaccordingtotheloadofresidentialbuildingscalculationcriterionforloadcalculation,usingthreekindsofcalculationmethodsofallkindsofusedelectricityloadcalculationandstatistics,andselectionofshuntcapacitoroflowvoltagereactivepowercompensation,thepowerfactorincreasedfrom0
6、.85to0.932,greatlyreducesthelossofequipmentoperation;byp.u.methodofshort-circuitcurrentcalculation,forpowertransformerselectionandelectricalequipmentmodelsandtheparametersidentified,flexibleunderstandingandapplicationoftheprincipleofelectricalequipment,accordingtothedata
7、table,selecttheappropriatecabletype,andthecrosssection.Fromthelatedirectlightningprotectionandgroundingsystempointofview,designoflightningprotectionofbuildings,drawinganddrawing.Keywords:powersupplyanddistributionsystem;shortcircuitcalculation;reactivepowercompensation专业
8、资料整理分享.WORD文档下载可编辑.目录1前言11.1课题意义11.2设计概况11.3设计范围11.4设计原则及标准11.5设计思路22住宅小区的负荷计算32.1负荷的分类32.3负荷计算准则32.3电气