发电厂电气-35KV变电站主接线设计

目录 TOC \o "1-3" \h \z \u HYPERLINK \l "_Toc360664667" 1 设计任务 PAGEREF _Toc360664667 \h 1 HYPERLINK

目录 1设计任务 ............................................................................................ 1 1.1初始资料 .................................................... 1 1.2电力系统与本站连接情况 ...................................... 1 1.3负荷情况 ..................................................... 1 2变电站主接线设计 ............................................................................... 1 2.1主接线设计依据 .............................................. 1 2.2主接线中设备配置 ............................................. 2 2.3设计步骤 .................................................... 3 2.4主接线方框图 ................................................ 3 2.5主接线方案地确定 ............................................ 4 3短路电流地计算 ................................................................................... 5 3.1概述 ........................................................ 5 3.2短路计算地目地 .............................................. 6 3.3短路计算方法 ................................................ 6 4电气设备地选择 ................................................................................... 7 4.1变压器地选择 ................................................. 7 4.2断路器地选择与校验 ........................................... 8 4.3隔离开关地选择 ............................................... 9 4.4母线地选择 .................................................. 10 5设计结果 .......................................................................................... 10 5.1设计图纸 ................................................... 10 5.2设计说明书 ................................................. 11