《毕业设计 变电站综合自动化系统》由会员分享，可在线阅读，更多相关《毕业设计 变电站综合自动化系统（72页珍藏版）》请在金锄头文库上搜索。
1、河南理工大学毕业设计（论文）说明书i摘要摘要变电站综合自动化系统自 20 世纪 90 年代以来，一直是我国电力行业中的热点之一。它既是电力建设的需要也是市场的需要，我国每年变电站的数量以 3%5%的速度增长，每年有千百座新建变电站投入运行；同时根据电网的要求，每年又有不少变电站进行技术改造，以提高自动化水平。近几年来我国变电站综合自动化技术，无论从国外引进的，还是国内自行开发研制的系统，在技术和数量上都有显著的发展。本文首先根据任务书上所给系统与线路及所有负荷的参数，分析负荷发展趋势,从负荷增长方面阐明了建站的必要性然后通过对拟建变电站的概括以及出线方向来考虑，并通过对负荷资料的分析，安全，经
2、济及可靠性方面考虑，确定了 110kV，35kV，10kV 以及站用电的主接线，然后又通过负荷计算及供电范围确定了主变压器台数，容量及型号，同时也确定了站用变压器的容量及型号，最后，根据最大持续工作电流及短路计算的计算结果，对高压熔断器，隔离开关，母线，绝缘子和穿墙套管，电压互感器，电流互感器进行了选型，从而完成了 110kV 变电站的设计。关键词关键词：变电站 ; 变压器 ; 主接线河南理工大学毕业设计（论文）说明书iiAbstractAbstractIntegrated substation automation system since 1990s, Chinese power indu
3、stry has been one of the hotspots. It is also the needs of the construction of electricity market demand, China in year of substation quantity rate of 3% 5% a year, throuands of newly-constructed substations is put into operation, According to requirements of electric substation, and there are many
4、technical renovation, in order to improve the level of automation. In recent years, our integrated substation automation technology introduced from abroad, regardless of the domestic devolope, or in the system, technology and quantity are significant development. Firstly, according to the task given
5、 system and line book all the parameters, and the load from the analysis of load development trend, load increasing illustrates the necessity of the establishment of substations built by the generalization and outlet to consider, and through the analysis of the data of load, safety, economy and reli
6、ability into consideration, determine the 110 kv and consumers 10kV power station, as well as 35kV main connection, and then through the load calculation and power supply range determines the main transformer capacity and models, and also identified with the capacity of transformer station, finally,
7、 according to the model and maximum sustained working current and short circuit calculation results of high-pressure fuse, isolating switch, bus, insulator and wear casing wall, voltage transformer, the selection of current transformer substation, and completed the design of 110 kv.Keywords: substat
8、ion ; Transformer ; The wiring河南理工大学毕业设计（论文）说明书I目录1 工程概况 .11.1 原始资料分析 .21.2 对原始资料的分析计算 .22 110KV 变电所接入系统设计.42.1 确定电压等级及回路数 .42.2 110kV 线路导线的规格、型号及截面选择 .43 短路电流计算 .63.1 短路电流计算的目的和条件 .63.2 短路电流计算 .74 110kV 变电所地方供电系统设计 .124.1 35kVA 线路设计.124.2 35kV B 线路设计.134.3 10kV A 线路设计.144.4 10kV B 线路设计.155 110kV 变电所主变选择 .175.1 主变方案选择 .175.2 主变方案技术比较 .175.3 主变容量、参数选择 .185.4 主变方案经济比较 .205.5 所用变选择 .226 主接线设计 .236.1 主接线选择原则 .236.2 110kV 主接线设计 .236.3 35kV 主接线设计 .266.4 10kV 主接线设计 .267 变电所电气设备选择 .28河南理工大学毕业设计（论文）说明书II7.1 断路器的选择 .297.2 隔离开关的
