psim134-gdlng ts irp013rev.0末站晃电事件调查报告the huizhou ots power dazzling incident report

1、GDLNGIncidentReportFormMinorIncident/ Preliminary Report for Serious IncidentsGDLNG-TS-IRPof3. INCIDENTReportasfactGDLNGIncidentReportFormMinorIncident/ Preliminary Report for Serious IncidentsGDLNG-TS-IRPof3. INCIDENTReportasfactonly whatyouareclearisfact.Specifys usofanythingelseyoureport,e.g.esti

2、mate/be 20123812：55：55，惠州末站发生主电源回路晃电事件，以下是站控操作 On Mar 8th 2012, at12:55:55 pm, the main inleter loop was dazzling in Huizhou OTS ,it was reported by operator in SCR as below:12:55:55，SCADALVPUPSLVPATS源回路断开（fault 故障灯亮），备用电源回路正常（fault 故障灯灭），配电柜的馈电系统指示灯全部不亮，UPS12:55:55 All of the siightings were shut d

3、own suddenly, LVP&UPS alarm appeared in SCADA system. ATS (Automatic Transfer Switch) indicated the mainer switch washe “off” se(faultlighton),andtheback-uper switch washe “on” se (fault light off).The entire low-voltage switchgear load-indicators werehe“off” e.Atthetime,UPSprovidedtheSCADAersupply(

4、batterymode)，andtheproductionwas13:02:44运营维修和操作员一起将LVP主电源回路的储能开关复位及合闸，站场电源基本恢复正常。 13:02:44 OPS Mr.Luan Jingand sion operator restart the mainer switch, OTSersystemwasreturn to normal.201231310:00，技术服务部 ，HSSE ，运营部 、 、 、 ，低压柜厂家技术 赶到现场，进行检查分析。On Mar13rd 2012morning,10:00AM,Mr.Zhou Wei from TS, Mr. Zhan

5、g Jinlong from HSSE, Mr. Pan Dakuang, Mr. Zhang Xizhen, Mr. Zhang Jifeng and Mr.Luan Jing from OPS,Mr.Deng Linfeng from low voltage switchgear manufacture went to site for investigation.一、故障现象FaultPre- dazzling, the 2-way inleters sus:1# mianer was provided by Huizhou Digital Industrial Park City el

6、ectric loop,2#back-uper was provided by Huizhou fengdalantcommonterminal Pre- dazzling, the sionwasrunningnormally,didnotproduceelectricaloverload,overcurrent,phase grounding, which caused the ATS tripfault phenomenon.2. PartiesPropertyThird1. GENERALREPORT NO.: ReportTheHuizhouerdazzlingincidentWor

7、ksTypeofDateof201238日 Mar8th1#主回路发生晃电后，ATS2#备用回路。主回路断路器断开且没有储能，faultWhen the 1# er was dazzling,ATS was not be transferred to 2# back-er, switch was tripped but non-energized, fault light on;2# back-er was normally energized but not used.(Note:The2#back-erwasnormal,didnot办公用及照明系统断电，SCADALVPUPS1#主回路发

8、生晃电后，ATS2#备用回路。主回路断路器断开且没有储能，faultWhen the 1# er was dazzling,ATS was not be transferred to 2# back-er, switch was tripped but non-energized, fault light on;2# back-er was normally energized but not used.(Note:The2#back-erwasnormal,didnot办公用及照明系统断电，SCADALVPUPSAlloftheightingswereshutdownsuddenly,LVP

9、&UPSalarminSCADAsystem.ATSTransferSwitch)indicatedtheerswitchhe“off”e(faultlighton),andtheback-erswitchhe“on”e(faultlightoff).Theentirelow-voltageswitchgearload-indicatorshe “off” se.Atthetime,UPSprovidedtheSCADAsystem production was normal.ersupply(batterymode)，andAccordingtoreportbytheoperatorinCC

10、R,whentheHuizhouOTSerwasdazzling,therewaseralarmappearedin29#二、现场检查结果SiteInvestigationForer-dazzlingcouldnotbecopied,OPS-ainstestedtheATSinnormalworkingandtheresultwasOKsfulAfterthelowvoltageswitchgearmanufacturercarefulexamination,testing,edforATScontrolAfailureinlconditionserwasLowvoltageswitchgea

11、rmanufacturertestedthecircuitbreakertrip normal (i.e. If the load fault case, ATS will not switch to the back-upcircuit-testbutton,showeditwas er loop).t1=2s。经过现场反复测试，ATS2Pre-dazzling,electricdelaytimeofATSerloopwassettoT1=0.1s,aftermendations,0.1stimewastooshort,inordertoerdazzling,adjustedT1=2s.re

12、peatedthetest,ATScanhide2erAfterT1parameterwasadjusted,manufacturer mendederstabilizingmeasuresshouldnot三、原因分析惠州末站 1#主电源回路接在惠州数码工业园市电回路，110KV 都田变电站；2#备用电源接在丰达电厂公用端。12：55，都田变电站发生晃电故障，引起惠州末站主回路电源在瞬时掉电。与此同时，2924vHuizhou OTS: 1# er was provided by Huizhou Digital Industrial Park City electric Dutian ion

13、s. 2#back-er was provided by Huizhou lant common loop.12: 55, Dutian er dazzling fault occurred, causing Huizhou OTS main supply was tripped suddenly. At the same time, er alarm information was appeared in 29 # alsocanproveer Because of the ATS BA module failure, leading to ATS cannot normally trans

14、ferred to the back-looperdazzlingwaser dazzling occurred, the upstream subsion was automatic reclosing, and OTS 1# main was resupply and automatic recovery.er 四、建议措1ATSBAGDLNG-TS-IRPofGDLNG-TS-IRPof6. MANAGEMENT5. ACTION 1ATSBAHuizhouOTSapplyingproductionshut-downwindow, replacing the ATS BA module.

15、( Low voltage switchgear manufacturer recognized the need for 1 months of the new BA spare parts procurement OPS LuanGDLNG-TS-IRPof6. MANAGEMENT5. ACTION 1ATSBAHuizhouOTSapplyingproductionshut-downwindow, replacing the ATS BA module.( Low voltage switchgear manufacturer recognized the need for 1 mon

16、ths of the new BA spare parts procurement OPS Luan2Huizhou OTS electric tripdelay time of ATS main er loop was set to T1 = 2s. (The site has been andOPSLuan34564. CRITICALFACTORS,Critical站场主电源回路电源晃电造成响.ererImmediateNote(brieflylistsupportingATSBA模块故障。ATSBAmoduleSystemNote(brieflylistsupportingSugges

17、tionsforapplyingproductionshut-downwindow,replacingtheATSBA建议ATSt1=2sSuggestionsforelectricdelaytimeofATSerloopwassettoT1=通过向下游电厂口头沟通，电厂回复 电源的稳定性几乎一样。出于电费合同 ，建议惠州末站的Through the oral communication with the downstream of Fengdalant, the two-way inletstability is almost the same. For electricity contra

18、ct factors, suggested the two-way inleter loop in Huizhou OTS mahe sus quo, namely 1# mianer was provided by Huizhou Digital Industrial Park City electric loop, 2#back-uper was provided by Huizhou Fengdalantcommonterminal NOTEifs lorcustomerimpacts,theCustomerRelationsDepartmentmustbeENTSTOREPORT(onlywhen附件一：会议签到表。Appendix1:Co