110kV 输变电工程可行性讨论报告说明书XXXX 电力公司证书编号:132053—sy发证单位:XX 省建设厅二 OO 八年三月·卷册检索号35ZT-BLSK-0001批准: 审核: 校核: 编写: 目 录第一章 变电站部分........................................................11. 总论..................................................................11.1 设计依据.............................................................11.2 设计规模.............................................................11.2 设计分工.............................................................11.3 工程项目概况.........................................................21.4 投资估算.............................................................21.5 主要设计原则.........................................................32.电力系统一次部分.......................................................32.1 项目区概况...........................................................32.2 电网现状与存在主要问题...............................................42.3 电力需求预测及电力平衡...............................................42.4 项目建设必要性和远景规模..............................................62.5 接入系统方案.........................................................72.6 短路电流计算.........................................................82.7 无功补偿.............................................................82.8 主接线及电气设备参数要求:...........................................83.电力系统二次部分:.....................................................93.1 二次系统及配置原则...................................................93.2 继电保护及安全自动装置:..............................................93.3 调度自动化..........................................................123.4 系统通信:...........................................................133.5 二次系统投资估算....................................................144.站址选择..............................................................144.1 气象条件:..............