毕业论文 牵引变电所常见故障判断及处理方案研究.docVIP

论文题目： 牵引变电所常见故障判断 及处理方案研究 学校：黑龙江交通职业技术学院 系别：电信工程系 专业：电气化铁道技术 学号：220934036 姓名：邢连忠 目 录 第一章：处理故障的原则·······························3 1.1：供电事故及抢修原则········································3 1.2：故障处理及事故抢修········································3 第二章：故障判断的一般方法步骤 ······················4 2.1：故障判断的方法····································4 2.2：故障判断的步骤····································4 第三章：牵引变电所事故抢修汇报反馈流程图·············5 3.1：流程图··········································5 3.2：流程分析········································5 第四章：越区供电方法·································6 4.1：变电所··········································6 4.2：变电领工区······································6 4.3：注意事项········································6 第五章：常见故障处理方案研究························6 5.1：馈线故障应急措施··································6 5.2：馈线断路器故障应急措施·····························7 5.3：馈线隔离开关故障应急措施···································8 5.4：馈线侧穿墙套管闪络或击穿···································9 5.5：馈线保护测控装置“死机”后的判断处理·······················9 5.6：馈线侧机车带电过分相的判断······························10 5.7:110KV侧线路处理事项····································10 5.8：高压室故障············································11 5.9：主变故障处理·········································· 第六章：事故处理安全注意事项························· 前 言 牵引变电所是电气化铁路牵引供电系统的心脏，它的主要任务是将电力系统输送来的三相高压变化成适合电力机车使用的电能。而电气主接线反映牵引变电所设施高压侧有几回进线。几台牵引变压器，有几回接触网馈电线。通过电气主接线可以了解牵引变电所等设施的规模大小、设备情况。 变电所是对电能的电压和电流进行变换、集中和分配的场所、在电能是社会生产和生活质量中最为重要的能源动力的今天，变电所的作用是很重要的当前我国进行的输变电建设和城乡电网的建设和改造，对未来电力工作发展有着重要的作用。因此产品技术要先进，产品质量要过硬，应达到30~40年后也能适用的水平：而且产品必须要国产化。现阶段我国主要是使用常规变电所。常规变电所即采用传统规模式进行设计、建造和管理的变电所，一般为有人值班或住所值班，有稳定的值班队伍继电保护为电磁型，电器就地控制，不具备四遥、远方操作功能，需要一支训练有素的运行模式有许多不足之处。我国近期目标是既要充分利用原有设备，又要能够适用微机远动自动化系统;既要实现无人值班，又要满足安全经济运行的要求 电力牵引的专用变电所。牵引变电所把区域电力系统送来的电能，跟据电力牵引对电流和电压的不同要求，转变为适用于电力牵引的电能，然后分别送到沿铁路线上空架设接触网，为电力机车供电，或者送到底下铁道等城市交通所需的供电系统，为地铁电动车辆或电车供电。一条电气化铁路沿线设有多个牵引变电所，相邻变电所的距离约为40~50公里。在长的电气化铁路中，为了把高压输电分段以缩小故障范围，一般每隔200~250公里还设有支柱牵引变电所，它