毕业设计-10kV配电网供电可靠性分析.doc

昆明理工大学成人高等教育 毕 业 设 计（论文） 10kV配电网供电可靠性分析 姓 名： 普正开 学 号： 专 业： 电气工程及其自动化 年 级： 学习形式： 函授□√ 夜大□ 脱产□ 学习层次：高起本□√ 专升本□ 高起专□ 函 授 站： 昆明理工大学 目 录 中文摘要··················································Ⅰ 第 1 章 绪 论···········································1 1.1 配电网供电可靠性分析和现状························1 1.2 本文研究的意义及所完成的主要工作··················2 第2章 配电网元件概述及可靠性分析·························4 2.1 元件可靠性的基本概念······························4 2.1.1 可修复元件的状态····························4 2.1.2 可修复元件的与失效有关的可靠性指标··········5 2.1.3 可修复元件的与维修有关的可靠性指标··········7 2.1.4 两种典型的元件寿命概率分布··················8 2.1.5 元件的可用度·······························10 2.2 配电网络元件的故障率分析·························11 2.2.1 元件的故障率计算···························11 2.2.2 元件组的故障率分析·························13 第3章 配电网可靠性计算方法······························15 第4章 10KV配电网供电可靠性分析···························18 4.1 故障停电原因及对策·······························18 4.1.1 外力破坏···································18 4.1.2 自然灾害···································19 4.l.3 高压用户影响·······························20 4.1.4 导线问题···································20 4.1.5 其他方面··································20 4.2 非故障停电原因及解决办法·························21 4.2.1 非故障停电原因·····························21 4.2.2 解决办法··································21 第5章 缩短非故障停电时间技术措施························23 5.1 设备检修方面的技术措施···························23 5.1.1 配电所旁路运行方式···························23 5.1.2 两路独立电源第三电源备用式··················24 5.1.3 两座变台供电方式····························25 5.1.4 贯通电力线路临时两端供电方式················26 5.1.5 一座变台供电································27 5.2 设备运行方面的技术措施···························28 5.3 运输效益·········································29 5.4 完善系统结构提高配网自动化水平··················30 第6章 缩短非故障停电时间管理措施·························31 6.1 合理安排计划检修·································31 6.2 开展带电作业·····································3