220KV枢纽变电站设计.pdf

. . . . . . 目 录 目 录 毕业设计 （论文）任务书 ·····································2 毕业设计 （论文）任务书 ·····································2 第一章 电气主接线方案设计 第一章 电气主接线方案设计 第一节 概述 ··············································5 第一节 概述 ··············································5 第二节 变电站性质分析 ··································6 第二节 变电站性质分析 ··································6 第三节 主变压器的选择及方案的形成 ························7 第三节 主变压器的选择及方案的形成 ························7 第四节 初选方案的详细经济比较 ···························12 第四节 初选方案的详细经济比较 ···························12 第二章 短路电流计算 第二章 短路电流计算 第一节 概述 ·············································18 第一节 概述 ·············································18 第二节 短路点的选择及各元件标么值计算 ···················23 第二节 短路点的选择及各元件标么值计算 ···················23 第三节 短路电流计算过程及结果 ···························24 第三节 短路电流计算过程及结果 ···························24 第三章 电气设备选择 第三章 电气设备选择 第一节 高压短路器及隔离开关的选择 ·······················28 第一节 高压短路器及隔离开关的选择 ·······················28 第二节 母线和避雷器的选择 ·······························32 第二节 母线和避雷器的选择 ·······························32 第三节 电压互感器和电流互感器的选择 ·····················38 第三节 电压互感器和电流互感器的选择 ·····················38 ·· 第四章 高压配电装置布置························42 第四章 高压配电装置布置························42 第五章 专题部分设计(变压器继电保护和母线继电保) 第五章 专题部分设计(变压器继电保护和母线继电保) 第一节 变压器的继电保护 ································45 第一节 变压器的继电保护 ································45 第二节 母线的继电保护 ··································47 第二节 母线的继电保护 ··································47 . . . . . .