乌江源风电场2014年8月电网故障情况分析报告.doc

乌江源风电场2014年8月电网故障情况分析报告 编写人：詹 彪 审核人：彭永春 2014年8月 目 录 一、 乌江源风电场本场故障情况·······································3 1、8月10日重合闸启动分析········································3 1）故障发生的原因···············································3 2）故障影响情况·················································3 3）故障发生后采取的措施·········································4 2、8月11日远切乌江源故障分析····································4 1）故障发生的原因···············································4 2）故障影响情况·················································5 3）故障发生后采取的措施·········································5 3、8月12日机组故障脱网分析·····································6 1）故障发生的原因···············································6 2）故障影响情况·················································6 3）故障发生后采取的措施·········································7 4、8月12日乌威线失电故障分析···································7 1）故障发生的原因···············································8 2）故障影响情况·················································9 3）故障发生后采取的措施·········································10 二、 威宁地区其它风场因电网故障受损情况····························10 1、乌江源风电场与龙源风电场故障情况分析··························10 2、乌江源风电场与龙源风电场因电网故障受损情况比较················11 三、乌江源风电场今后采取的整体措施································13 1、加强与调度机构的沟通··········································13 2、提升机组安全稳定运行性········································13 3、加强运行人员培训管理工作······································14 4、加强升压站设备治理及隐患排查工作······························14 5、加强与周边风电场的联系········································14 一、乌江源风电场本场故障情况 乌江源风电场2014年8月10日至12日共受电网故障影响4次，其分别为乌威线A相瞬时性接地跳闸引起乌江源线路保护装置重合闸动作一次；水威线故障远切乌江源风电场1号主变、2号主变一次；六盘水电网野水线（野马寨电厂至六盘水电网220kV线路）A相接地故障引起电网波动一次；六盘水电网野水线故障导致黄水（黄家山变电站至滥坝变电站线路）线超负荷并由威宁变断开乌威线201开关一次。四次故障具体情况如下： 1、8月10日重合闸启动分析 表1、 乌江源风电场8月10日重合闸动作情况统计表 乌江源风电场2014年8月10日重合闸动作情况统计表 故障发生时间 故障结束时间 故障持续时间（小时） 故障损失电量（万千瓦时） 备注 8月10日19时23分 8月10日 19时23分 0 0 1）、故障发生的原因 2014年8月10日19时23分，乌江源风电场区域受强雷暴天气影响，在乌威线5.4kM处发生A相瞬时性接地故障，引起A相单跳并重合闸成功，此次未造成机组