文档介绍：华北电力大学***教育毕业设计( 论文) 1 华北电力大学***教育学院毕业设计( 论文) 论文题目:110kV 变电站电气一次系统设计专业: 电力系统及其自动化专业姓名: 张猛学号: 09201761 函授站: 郑州电力高等专科学校日期: 2011 年 08月 30日华北电力大学***教育毕业设计( 论文) 2 110kV 变电站电气一次系统设计摘要变电所是电力系统的重要组成部分,它直接影响整个电力系统的安全与经济运行,是联系发电厂和用户的中的间环节,起着变换和分配电能的作用。电气主接线是发电厂变电所的主要环节,电气主接线拟定直接关系着全所电气设备的选择、配电装置的布置、继电保护和自动装置的确定,是变电站电气部分投资大小的决定性因素。本次设计建设一座 110kV 降压变电站,首先,根据主接线的经济可靠、运行灵活的要求选择各个电压等级的接线方式,在技术方面和经济方面进行比较,选取灵活的最优接线方式。其次,进行短路电流计算,根据各短路点计算出各点短路稳态电流和短路冲击电流。最后,根据各电压等级的额定电压和最大持续工作电流进行设备选择,然后进行校验。关键词:变电所;变压器;电力负荷;电气主接线;短路电流;电气设备华北电力大学***教育毕业设计( 论文) 3 The P rimary Design of 110 KV Transformer S ubstation Abstract The know-why the learns , real circumstances of this engineering bination are used , the analysis conscientiously careful by way of to the primary sources , as well as short circuit calculation to decides on the scheme . The selection of the electric owner grasping the transformer substation wiring scheme , the mould selecting of major electric installation , the selection of main transformer platform number , capacity and model , as well as the various protections are surely calmly . Define finally this 1 10 kV transformer substation electric owner's wiring diagram , and plishes the preliminary design to the 110KV transformer substation . Designing by way of this ,I have had a more overall understanding to the design of transformer substation , and makes me learn , not only the reliability will fully be thought over in the engineering designation and the flexibility , and still more will give consideration to many things economy , long-range nature and technical . K ey words : transformer substation ; transformer ; power load ; the electricity mainwiring ; the short-circuit current ;e lectricity equipment 华北电力大学***教育毕业设计( 论文) 4 目录第一章设计任务书.......................................................................................................................... 7 设计资料.....................................................................................................................