kv终端变电所继电保护课程设计讲解.doc

目 录 课程设计任务书·············································2 1 继电保护课程设计的目的和要求·································2 2 总体设计内容·················································2 3 电气一次部分设计的基本情况···································2 4 设计成果·····················································3 5 参考文献 ····················································3 6 一次接线示意图···············································7 保护及设备的配置、出口方案·································8 1 线路保护的基本要求·············································8 2 线路保护的配置方案············································10 3 10kv线路保护的设计原则·······································10 4 接地保护的设计原则············································11 5 线路保护的出口保护方案········································11 第三章 110KV进线2保护整定计算··································12 1 整定计算原则 ·················································12 2 保护整定计算 ·················································13 10KV侧遥测、遥信、遥控点选择·····························18 10KV分段开关柜端子排图 ··································20 10KV线路电流、电压回路图·································22 第七章 心得体会··················································23 附图—···························································24 第一章 课程设计任务书 一 继电保护课程设计的目的和要求 继电保护课程设计是学生学完继电保护基本原理的理论课程后的一个重要的综合性教学环节，是学生全面运用所学基础理论、专业知识和基本技能，对实际问题进行设计的综合性训练。通过课程设计，可以培养学生运用知识解决实际问题的能力，增加工程观念，以便更好的适应工作的需要。 通过课程设计应达到下列要求 熟悉有关技术规程； 巩固并充实所学基本理论和专业知识，做到能够灵活应用，解决实际问题。 初步掌握电气工程专业（二次部分）工程设计的流程和方法，独立完成设计任务，并能通过答辩。 4、端正态度，树立严肃认真、实事求是和刻苦钻研的工作作风。 二 总体设计内容 —110kV无人值班终端变电所二次部分设计 1、110KV进线、35KV出线、10KV出线保护的配置、出口方案； 2、110KV进线2保护的整定计算； 3、10KV侧遥控、遥信、遥测测量点选择表； 4、10KV分段开关柜端子排图； 5、10KV线路电流、电压回路图。 三 电气一次部分设计的基本情况 工程规模：该变电所为110/38.5/10.5KV三级电压，所内装设31.5MVA及 40MVA主变各一台，2回110KV架空进线，4回35KV出线及8回10KV出线。变电所配有10KV无功补偿装置。 主接线考虑110KV侧采用内桥接线方式，35KV单母分段带旁母，10KV单母分段。 所用电配置：一台由10KV母线接出，另一台由35KV外来所用电取得。 防雷与接地：110KV进线侵入雷电波的保护是在架空线首