本科生毕业设计(论文)学院(系):电子与电气工程系专业:电气工程及其自动化学生:贾云鹏设计(论文)题目:工厂供电系统电气部分设计I本毕业设计为工厂变电所设计,对在工厂变电所设计中的若干问题:负荷计算,三相短路分析,短路电流计算,高低压设备的选择与校验,变压器的继电保护,变电所二次回路及自动装置,防雷与接地,变电所的过电压保护,计量,无功补偿等几方面的设计进行了陈述,并对供电主接线的拓扑结构进行了阐述。该工厂变电所采用10kV单电源进线,采用一台1600kVA的主变压器,最大设备容量1636kW,采用并联电容器进行低压集中补偿,对变压器进行过电流,电流速断,瓦斯保护,按三类防雷建筑物设防,采用强弱电联合接地系统对建筑物进行保护。在对供电系统短路计算的基础上,进行电力电缆和电气设备的选择设计,同时也对户外平面布置进行了初步的设计。关键词:工厂供配电,继电保护,防雷与接地,负荷计算IIABSTRACTThisgraduationprojectisdesignedforthefactorytransformersubstation,tocertainquestionsinfactorytransformersubstationdesign:putation,theanalysisofthree-phaseshort-circuits,theshort-putation,thechoiceandverificationofhighandlowpressureequipment,thetransformerrelayprotection,thesecondarycircuitofthetransformersubstationandtheautomaticdevice,anti-thunderandtheconnectiontotheearth,thetransformersubstationovervoltageprotection,themeasurement,pensatedandsoon,,,erdingtothethirdkindofanti-thunderbuildings,-circuitstothepowersupplysystem,:thepowerdistribution,supplyinfactory,therelayprotectionIII目录摘要...........................................................................................................................................IABSTRACT....................................................................................................................................II第一章绪论..................................................................................................................................................................................................................
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