1、 毕毕 业业 设设 计计(论文论文) 系 别 电力工程系 专业班级 电气 07K5 班 学生姓名 指导教师 二二一一一一年六月年六月 题 目 110kV 降压变电站电气一次 部分初步设计 I 摘要 随着我国科学技术的发展，特别是计算机技术的进步，电力系统对变电站的 要求也越来越高。本文以110kV地区变电站设计为例，论述了电力系统工程中变 电站电气一次部分的全过程。通过对变电站的主接线设计，站用电接线设计，短 路电流计算，电气设备动、热稳定校验，主要电气设备型号及参数的确定，运行 方式分析，防雷及过电压保护装置的设计，电气总平面及配电装置断面设计，较 为详细地完成了电力系统中变电站的设计。 本
2、毕业论文设计了一个降压变电站， 其主要内容包括： 变电站主变压器台数、 容量和型式的确定； 变电站主接线方案的选择； 短路点的确定与短路电流的计算， 电气设备的选择（断路器，隔离开关，电压互感器，电流互感器，避雷器） ；配 电装置设计和总平面布置；防雷保护与接地系统的设计。 关键词：变电站 短路计算 设备选择 电气主接线 II Abstract With the development of science and technology in China, particularly computing technology has advanced the power system deman
3、ds on substation more and more. The statement about the 110kV transformer area substation design, discussed some electrical transformer stations design (one part) in power systems engineering of the entire process. Through the main transformer stations wiring design, stations wiring design stations,
4、 short circuit current calculations, check electrical equipment moving and thermal stability, set the main electrical equipment models and the parameters, the operating mode design over-voltage protection and mine devices，design general electric graphic and distribution devices flood, and without po
5、wer compensation. Lastly, completed substation design in power system. In this article we devise a transformer substation for abasing voltage. The main content of this design include the certainty of number, capacitance and model for main transformer; the choice of main connection for transformer su
6、bstation; the certainty of short circuit points and calculation of short circuit; the choice electric equipment(breaker, insulate switch, voltage mutual-inductance implement, current mutual-inductance implement, arrester); the design for distribution and disposal for chief plane; the design for lightning proof protection and earth system. Key Words: Substation Short Circuit Calculation Equipment Selection Main connection for transformer substation 华北电力大学科技学院本科毕业设计（论文）摘要 目录 摘要.I Abstract
