摘要牵引变电所的主要功能是将三相电力系统的能量变换为适用于牵引负荷的单相电能,完成这一功能就需要牵引变电所设置相应的高压电气设备和低压电气设备。在牵引变电所中,高压电气设备主要包括变换和传递电能设备,如开关电器、过电压抑制装置、接地装置、补偿装置、互感器等。这些高压电气设备和连接导线所组成的接受和分配电能的电路就是牵引变电所的主接线。本次设计是在掌握变电站生产过程的基础上完成的。通过它可以复习巩固了专业课程的有关内容,增强了工程观念,培养了变电站设计的能力。首先了解不同的主接线方式的优缺点来确定本次设计方案并分析照母山的地理环境和天气的影响作出合理设计,最后对牵引变压器容量计算,同时对能源、发电、变电和输电的电气部分有个详细的概念,能熟练的运用有些知识,如短路计算的基本理论和方法、主接线的设计、导体电气设备的选择等。关键词:牵引变电所:电力系统:平面设计图ABSTRACTThe main function of a traction substation is to convert the energy of three powersystems into single-phase electrical energy suitable for traction loads.To complete thisfunction,the traction substation needs to be equipped with corresponding high-voltage andlow-voltage electrical equipment.In traction substations,high-voltage electrical equipmentmainly includes conversion and transmission of electrical energy equipment,switchingdevices,overvoltage suppression devices and grounding devices,compensation devices,transformers,etc.The circuit that receives and distributes electrical energy composed of thesehigh-voltage electrical equipment and connecting wires is the main wiring of the tractionsubstation.This design is completed on the basis of mastering the production process of thesubstation.Through it,you can review and consolidate the relevant content of professionalcourses,enhance engineering concepts,and cultivate the ability of substation design.Firstly,understand the advantages and disadvantages of different main wiring methods to determinethe design plan and analyze the geographical environment and weather impact of MountZhaomu to make a reasonable design.Finally,calculate the capacity of traction transformers,and have a detailed concept of energy,power generation,transformation,and transmissionelectrical parts.Proficient in applying some knowledge,such as the basic theory and methodsof short-circuit calculation,the design of main wiring,and the selection of conductorelectrical equipment.Key words:Traction substation;Power system;Graphic Design Drawing目录1绪论1.1研究背景1.2研究的目的和意义…1.3国内外研究现状…。1.4研究的主要内容2牵引变电所的结构及相关知识…32.1牵引变电所的组成32.1.1牵引变电所的主接线….32.1.2牵引变电所内的变压器2.1.3断路器..52.1.4隔离开关52.1.5互感器.62.1.6高压熔断器2.1.7并联电容补偿装置.82.2牵引变电所的结构.….82.3牵引变电所的基本工作原理.92.4我国铁路供电系统的特点..92.5我国铁路供电系统的发展状况.103电气主接线图设计、设备选型等工程设计方法..113.1电气主接线图设计…..113.1.1电气主接线基本要求.3.1.2高压侧主接线的基本方式….123.1.3确定高压侧主接线..153.1.4牵引变电所馈线侧的几种接线方式.153.1.5确定牵引变电所馈线侧的选择.163.2牵引变电所主要设备选型.163.3变电所二次接线设计….173.4继电保护系统设计….173.5电力监控系统设计.18
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