煤矿35kV变电站供电设计毕业论文
58页1、xxxx大学毕业设计(论文)说明书摘要本文详细介绍了某矿35kV变电所的设计。文中对主接线的选择、高压设备的选择、负荷计算、短路电流计算,各种继电保护选择和整定计算皆有详细的说明。特别对主接线的选择,变压器的选择,还有一些电气设备如断路器、电流互感器、电压互感器等的选择校验作了详细的说明和分析。依据供电规则,着重解决了负荷统计、变电所主结线方案的选择、进出线的选择、变电所所址的选择、主变压器的台数和容量的选择、短路计算及开关设备的选择、防雷保护与接地装置的设计等问题,并结合地区的供电规则和工程实际情况选择出最合适的方案及参数、各种设备型号及容量。其中还对变电所的主接线,平面布置等通过CAD制图直观的展现出来。本次设计的内容紧密结合实际,通过查找大量相关资料,设计出符合当前要求的变电所。设计中除采用了一些固定方式的保护和常规保护外,还采用微机保护,通过电力监控综合自动化系统,可以使变电站内值班人员或调度中心的人员及时掌握变电所的运行情况,直接对设备进行操作,及时了解故障情况,并迅速进行处理,达到供电系统的管理科学化、规范化、并且还可以做到与其他自动化系统互换数据,充分发挥整体优势,进行全
2、系统的信息综合管理。在本次设计中,得到了学校老师、同学的耐心指导和大量帮助,在此对他们表示衷心的感谢和崇高的敬意。关键词:负荷计算;电气主接线设计;短路电流计算;防雷AbstractThis paper describes the 35 kV of a mine down the substation design. In the main connection of choice, the choice of high-voltage equipment, load calculation, short-circuit current basis, the protection of various options and setting calculation there are detailed instructions. In particular the choice of the main cable, transformers choice, there are some electrical equipment such as circuit breakers, cur
3、rent transformers, high voltage transformer, and so the choice of checking a detailed description and analysis. Rules based on power supply, focus on resolving a load statistics, the mainline for selection, choice, the choice of the site by the substation, the main capacity and the number of Taiwans choice, short-circuit calculation and the choice of switching equipment , Relay and the choice of setting, lightning protection and grounding equipment design and other issues, combined with the powe
4、r of the actual situation of rules and choose the most appropriate solutions and various models and equipment capacity. It also substation on the main wiring, layout, adjacent to the high number of low-voltage protection devices, such as through the CAD drawing intuitive shown. The design of the content in close connection with reality, the large number of relevant information by looking design with the current requirements of the substation. In addition to the design of a number of fixed form o
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