目 录 第一章总的部分......................................................11 前言..............................................................11.1 工程概况.......................................................11.2 设计依据.......................................................11.3 主要设计原则...................................................31.4 设计范围......................................................41.5 主要设计结论...................................................4第二章工程建设必要性................................................62.1 地区社会经济进展概况...........................................62.2 海北地区电力系统现状..........................................62.3 海北地区电力系统规划..........................................92.4 工程建设必要性及建设时机.....................................14第三章系统方案.....................................................163.1 电力系统一次.................................................163.2.电力系统二次部分.............................................263.3 系统通信.....................................................30第四章变电部分.....................................................314.1 电气一次部分..................................................314.2 电气二次部分..................................................394.3 土建部分......................................................41第五章线路部分.....................................................465.1 工程设计主要依据.............................................465.2 工程建设规模和设计............................................475.3 接入系统情况..................................................485.4 主要技术经济特性（推举方案）..................................495.5 经济指标......................................................525.6 线路路径.....................................................525.7 气象条件.....................................................595.8 导线和地线.......................................................
