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1、精选优质文档-倾情为你奉上老挝南奔水电站1#机组试运行Nam Ben HPP 1# Unit running test工 作 报 告work report湖北大禹水利水电建设有限责任公司HUBEI DAYU SHUILISHUIDIAN JIANSHE YOUXIAN ZEREN GONGSI2016年3月26日26date3month2016year目 录table of contents工程概况Project Overview工作内容The work content工作计划the work plane启动前的调试及验收Commissioning and acceptance before
2、starte-up充水试验water-filled test机组首次开机the first start-up test机组空转运行下调速系统试验Test of governing system in no-load running无励磁自动开机和自动停机试验Unit automatic start-up and stop test with no excitation过速试验Unit overspeed test机组空载试验Test of governing system in no-load running115KV设备及主变冲击受电试验Main transformer and GIS po
3、wer distribution equipment single-grouting test 机组同期并网试验Preparation for synchronization机组带负荷试验unit test with load机组甩负荷试验Load rejection test机组72小时试运行Unit 72h commission结论及存在的问题Conclusions and problems一、工程概况Project Overview南奔水电站水库总库容539万m3,水库正常蓄水位435m,死水位430m,调节库容318万m3,具有日调节能力。电站装机容量为36MW(312MW),保证出力
4、为5.10MW,年发电量为1.388亿kWh,装机利用小时4081h。Nam Beng HPP ower reservoirs with a total capacity 5.39 million m3,Normal water level is 430m, Lowest level is 430m, Regulating storage is 3180 thousand.二、试运行工作内容1、充水试验water-filled test2、机组首次开机the first start-up test机组空转运行下调速系统试验Test of governing system in no-load
5、running无励磁自动开机和自动停机试验Unit automatic start-up and stop test with no excitation过速试验Unit overspeed test升流试验Test of increasing current机组空载试验Test of boosting voltage发电机带主变及GIS一次设备零起升压试验Generator increasing current test with main transformer and GIS115KV设备及主变冲击受电试验Main transformer and GIS power distributi
6、on equipment single-grouting test 机组同期并网试验Preparation for synchronization机组带负荷试验unit test with load机组甩负荷试验Load rejection test机组72小时试运行Unit 72h commission三、1#机组试运行大事记the Event recordco of mmissioning of unit 1充水试验(厂房段)water-filled test2016年1月17日1月18日机组首次开机the first start-up test2016年1月18日机组空转运行下调速系统试
7、验Test of governing system in no-load running2016年1月18日无励磁自动开机和自动停机试验Unit automatic start-up and stop test with no excitation2016年1月19日机组过速试验Unit overspeed test2016年1月19日发电机升流试验Test of increasing current2016年1月20日发电机带主变及GIS一次设备零起升压试验Generator increasing current test with main transformer and GIS2016年
8、1月20日机组空载试验Test of boosting voltage2016年1月20日115kV设备及主变冲击受电试验Main transformer and GIS power distribution equipment single-grouting test 2016年3月9日机组同期并网试验Preparation for synchronization2016年3月10日机组带负荷试验unit test with load2016年3月10日机组甩负荷试验Load rejection test2016年3月10日机组72小时试运行Unit 72h commission7月25日
9、7月27日四、充水试验water-filled test流道充水分两步进行,第一步,确定机组上游蝶阀处于关闭状态,锁定蝶阀机械锁定,蝶阀处于就地位置;确定活动导叶处于关闭状态,调速器处于就地位置。打开尾水平压充水阀、打开蜗壳排水阀、打开蜗壳排气阀,对尾水管及蜗壳充水。检查尾水管、尾水进人门、蜗壳进人门、蝶阀下游侧,蝶阀伸缩节、导水机构各组合面等无渗漏,工作密封漏水量通过自流满足排水要求,厂房检修排水泵、渗漏排水泵能满足排水要求,再根据尾水开启程序进行闸门开启操作,开启尾水闸门。Filled with water into The flow channel be divided into two
10、 steps . the first ,confirm that all Inlet valve is turned off, all Locking device of Inlet valve is Putted in, Operation method of Inlet valve is On the spot; confirm that the Vanes 0f unit 1# is turned off, the Operation method of 1# Speed governor is On the spot. open the Bypass valve of Tail wat
11、er sluice 1#,open spiral case Drain valve of unit 1#,open spiral case exhaust valve of unit 1#,fill water into draft tube and spiral case of unit 1#. Affter Inspecting tube、spiral case、Inlet valve and guide no leakage, The amount of work the seal leakage suffice operational requirements, Plant maint
12、enance drain pump, drain pump leakage suffice operational requirements, open Tail water sluice 1#.第二步,确认蝶阀手动旁通阀处于关闭,关闭蜗壳排水阀、关闭尾水平压阀,打开液压旁通阀,再慢慢打开手动旁通阀,向蜗壳充水,观察尾水管、尾水进人门、蜗壳进人门、蝶阀下游侧,蝶阀伸缩节、导水机构各组合面等无渗漏,工作密封漏水量通过自流满足排水要求,厂房检修排水泵、渗漏排水泵能满足排水要求,再根据进水口闸门开启程序进行闸门开启操作,开启进水口闸门。The second step, close Manual by
13、pass valve of unit 1# Inlet valve is turned off, close spiral case exhaust valve of unit 1#,close the Bypass valve of Tail water gate 1#,then open Hydraulic bypass valve ,open Manual bypass valve slowly, Affter Inspecting tube、spiral case、Inlet valve and guide no leakage, The amount of work the seal
14、 leakage suffice operational requirements, Plant maintenance drain pump, drain pump leakage suffice operational requirements, open Inlet sluice. 五、机组首次开机unit first start-up 按照启动试运行规程、1#机组启动试运行大纲中机组首次启动和空转试验的要求,对1#机组各部位、各系统进行检查,使其处于手动开机状态,满足手动开机要求后,正式开始首次启动和空转试验。in accordance with requirements of the
15、 first time start and idling tests intart test run procedures、unit 1# Start test run Outline, Initial unit start-up after unit 1# suffice operational requirements.1 手动打开主轴密封排水阀,退出空气围带、风闸,顶起转子5-7mm,保持10min,保证推力瓦润滑。落转子,打开蝶阀,打开技术供水电动阀,调整技术供水水压0.4MPa。1. Open unit 1# exhaust valve of work the seal leakage with Manually, Removal Pressure of unit 1# the maintenance seal, Jacking Rotor 5-7mm keeping 10 min. go down Rotor, open 1# Inlet valve, open electric valve adjusting Pressure of Coo