热控ETS保护联锁试验方法大全汇总Word文档下载推荐.docx
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2.1《火力发电厂基本建设工程启动及竣工验收规程(1996年版)》
2.1StartupandCompletionAcceptanceSpecificationsofBasicConstructionProjectinThermalPowerPlant(1996Version)
2.2《电力建设施工及验收技术规范》(1992年版)
2.2TechnicalSpecificationsofPowerConstructionandAcceptance(1992Version)
2.3《火电工程调整试运质量检验及评定标准》(1996年版)
2.3StandardforQualityInspectionandEvaluationofAdjustmentandCommissioninginThermalPowerEngineering(1996Version)
2.4《火电工程启动调试工作规定》(1996年版)
2.4RegulationsfortheStartupandCommissioningoftheThermalPowerProjects(1996Version)
2.5厂供说明书及设计院资料
2.5InstructionManualofAuxiliaryPowerSupplyandDesignInstituteInformation
3调试用工器具
3ToolsusedforCommissioning
测温枪
Temperaturemeasurementgun
测震仪
Vibrationmeasurementinstrument
转速仪
Rotationalspeedmeter
对讲机
Walkie-talkie
4试验必须具备的条件
4NecessaryPreconditionsfortheTest
ETS装置接收来自TSI系统及汽轮发电机组其它系统来的停机信号,进行逻辑处理,输出汽轮机跳闸信号。
WhenETSdevicereceivesshutdownsignalfromTSIsystemandothersystemsofthesteamturbine-generatorunit,itwilldologicaltreatmentandsendoutsteamturbinetripsignals.
4.1做ETS保护、联锁试验应在汽轮机启动前进行
4.1ETSprotectionandinterlocktestshallbeperformedbeforestartingupthesteamturbine.
4.2润滑油系统,控制油系统正常运行
4.2Thelubeoilsystemandcontroloilsystemisundernormoperation.
4.3检查抽气系统电动门、逆止阀和疏水阀门应能开启,并关闭前后手动阀门
4.3Checktomakesurethemotorvalveofairextractionsystem,onewayvalveandwaterdrainagevalvecanstart.Closethefrontandbackmanualvalve.
4.4检查各仪器仪表和控制系统的电源投入正常,仪表用空气系统投入正常
4.4Checktomakesurethepowersourceofeachinstrument,contrlsystem,andtheairsystemusedforinstrumentareundernormaloperation.
4.5汽机SCS系统的调试已完成
4.5TheSCSsystemcommissioningofsteamturbinearecompleted.
4.6汽机TSI,DAS等的静态调试已完成已完成
4.6ThestaticcommissioningofsteamturbineTSIandDASarecompleted.
4.7检查循环水、闭式水系统投入正常
4.7Checktomakesurethecirculatingwater,closedwatersystemareinnormalsituation.
4.8汽机所有相关设备,系统能投入正常
4.8Allrelatedequipmentofsteamturbineandsystemareinnormaloperation.
5试验步骤
5TestProcedure
5.1ETS保护功能试验
5.1ETSProtectionTest.
5.1.1从现场仪表、TSI柜,工程师站开始,一一模拟ETS的保护信号,并检查ETS保护系统的准确性
5.1.1SimulateETSprotectionsignalsofsiteinstruments,TSIcabinetandengineerstationonebyone.ChecktheaccuracyofETSprotectionsystem.
5.1.2当一个ETS发生跳闸,检查ETS柜处输出继电器是否工作并向相关设备发出ETS信号
5.1.2WhenoneETStrips,checkiftheoutputrelayatETSpanelworksandsendETSsignaltotherelatedequipment.
5.1.3选择ETS保护信号中的一个信号来测试调节安全系统的工作状态
5.1.3SelectoneoftheETSprotectionsignalstotestandadjusttheworkingconditionsofsafetysystem.
5.1.4实验内容见附录
5.1.4Refertotheattachmentfortestcontents.
5.2ETS联锁功能试验
5.2ETSinterlocktest
5.2.1启动润滑油和调速油系统
5.2.1Startuplubeoilandspeedregulatingoilsystem.
5.2.2启动机组仪用压缩空气系统及其他相关系统
5.2.2Startupthecompressedairsystemusedforinstrumentofunitandotherrelatedsystems.
5.2.3汽机挂闸,检查安全油压接通;
5.2.3Checkiftheemergencyoilpressureisconnectedwhenlatchingonsteamturbine.
5.2.4逐一试验超速停机(三取二);
真空度过低停机(三取二);
润滑油压过低停机(三取二);
转子轴向位移超过极限停机;
发电机故障停机;
DEH失电停机;
轴振大停机;
锅炉MFT停机等ETS跳机信号,检查汽机应跳闸,安全油压应迅速卸掉。
试验完毕,复置保护。
5.2.4TestthefollowingETStripsignalsonebyone:
shutdownduetooverspeed(twooutofthree),lowervacuum(twooutofthree),lowerlubeoilpressure(twooutofthree);
theaxialdisplacementofrotorexceedsthelimitation;
generatorfailure,powerlossofDEH,axialvibration,boilerMFT.Checkifthesteamturbinetripsandiftheoilpressureisrelieved.Afterthetestisfinished,resetprotection.
5.2.5挂闸,分别开启汽机自动主汽阀,调节阀,及抽汽逆止阀、电动阀。
5.2.5Latchonandstartuptheautomaticmainsteamvalve,regulatingvalveextractionnon-returnvalveandmotorvalveofsteamturbineseparately.
5.2.6逐一试验上述ETS跳机信号,检查汽机自动主汽阀,调节阀,及抽汽逆止阀、电动阀应迅速关闭。
5.2.6TesttheaboveETStripsignalsonebyoneandchecktoclosetheautomaticmainsteamvalve,regulatingvalveextractionnon-returnvalveandmotorvalve.
5.2.7试验完毕,恢复系统。
5.2.7Recoverthesystemafterfinishingthetest.
6安全注意事项
6SafetyConsiderations
6.1此试验在汽轮机启动前必须进行。
6.1Thetestmustbeperformedbeforethesteamturbineisstartedup.
6.2试验时汽轮机和相关辅助系统(如凝气系统和给水系统)应停止运行
6.2Steamturbineandrelatedauxiliarysystem(forexample,condensatesystemandfeedwatersystem)shallbeshutdownwhenperformingthetest.
6.3润滑油,调速油泵应正常运行,确保汽轮机能挂闸。
6.3Thelubeoilpumpandspeedregulatingoilpumpshallworknormallytomakesurethesteamturbinecanbelatchedon.
6.4检查抽气系统电动门、逆止阀、疏水阀门正常运行,关闭前后手动阀门。
6.4Checktomakesurethemotoroperatedvalveofextractionsystem,one-wayvalve,andwaterdrainagevalvetooperatenormally.Closethefrontandbackmanualvalves.
6.5在试验之前,必须检查仪器仪表和控制系统的电源以及仪用空气系统,保证每一项操作装置能够正常进行
6.5Checkthepowersourceofinstrumentandmeterandtheinstrumentairsystemtomakesureeveryoperationequipmentcanworkproperlybeforeperformingthetest.
6.6调试试验应和热控人员一起做,并统一指挥,明确分工。
6.6ThecommissioningtestshallbeperformedtogetherwithI&
Cpersonnelunderuniformedinstructionandclearlabordivision.
7附录1ETS保护功能检查表
7Appendix1ETSProtectionChecklist
机组:
日期:
Unit:
_Date:
序号
SerialNo
检查项目
InspectionItem
信号
Signal
结果
Result
1
汽机超速110%(1和2)
Steamturbineis110%overspeed(1and2)
汽机超速110%(1和3)
Steamturbineis110%overspeed(1and3)
汽机超速110%(2和3)
Steamturbineis110%overspeed(2and3)
2
汽机真空低-0.06MPa(1和2)
Vacuumofsteamturbineislow-0.06MPa(1and2)
汽机真空低-0.06MPa(1和3)
Vacuumofsteamturbineislow-0.06MPa(1and3)
汽机真空低-0.06MPa(2和3)
Vacuumofsteamturbineislow-0.06MPa(2and3)
3
汽机润滑油压低0.02MPa(1和2)
Lubeoilpressureofsteamturbineislow0.02MPa(1and2)
汽机润滑油压低0.02MPa(1和3)
Lubeoilpressureofsteamturbineislow0.02MPa(1and3)
汽机润滑油压低≤0.02MPa(2和3)
Lubeoilpressureofsteamturbineislow0.02MPa(2and3)
4
汽机轴向位移大≥(±
1.4mm)
Axialdisplacementofsteamturbine≥(±
5
差胀超过+6mm,-4mm
Differentialexpansionexceeds+6mm,-4mm
6
轴振动超过0.256mm
Axialvibrationexceeds0.256mm
7
轴承振动大0.08mm
Axialvibrationis0.08mm
8
轴承回油温度高75℃
Bearingreturnoiltemperatureis75℃
9
发电机跳闸保护动作
Tripprotectionofgenerator
10
锅炉MFT
BoilerMFT
11
DEH系统故障
DEHsystemfailure
12
手动停机
Shutdownautomatically.
备注
Remark
8附录2-1ETS联锁功能检查表
8Appendix2-1ETSInterlockChecklist
Date:
阀门名称
ValveDescription
试验前状态
ConditionbeforeTest
试验后状态
ConditionafterTest
自动主汽阀
Automaticmainsteamvalve
开
Open
关
Close
1#调节阀
#1Adjustingvalve
2#调节阀
#2Adjustingvalve
3#调节阀
#3Adjustingvalve
4#调节阀
#4Adjustingvalve
1#抽汽逆止阀
#1Airextractionnon-returnvalve
2#抽汽逆止阀
#2Airextractionnon-returnvalve
3#抽汽逆止阀
#3Airextractionnon-returnvalve
4#抽汽逆止阀
#4Airextractionnon-returnvalve
5#抽汽逆止阀
#5Airextractionnon-returnvalve
1#抽汽电动阀
#1Airextractionmotorvalve
2#抽汽电动阀
#2Airextractionmotorvalve
13
3#抽汽电动阀
#3Airextractionmotorvalve
14
4#抽汽电动阀
#4Airextractionmotorvalve
15
5#抽汽电动阀
#5Airextractionmotorvalve
16
6#抽汽电动阀
#6Airextractionmotorvalve
Remarks
9附录2-2ETS联锁功能检查表
9Appendix2-2ETSInterlockChecklist
17
自动主汽阀前疏水气动阀
Waterdrainagepneumaticvalveinfrontoftheautomaticmainsteamvalve
Open
18
自动主汽阀后疏水气动阀
19
1#导气管疏水气动阀
Waterdrainagepneumaticvalveof#1gastube.
20
2#导气管疏水气动阀
Waterdrainagepneumaticvalveof#2gastube
21
3#导气管疏水气动阀
Waterdrainagepneumaticvalveof#3gastube
22
4#导气管疏水气动阀
Waterdrainagepneumaticvalveof#4gastube
23
调节级后疏水气动阀
Waterdrainagepneumaticvalvebehindtheregulatingstage
24
1#抽汽逆止阀前疏水气动阀
Waterdrainagepneumaticvalveinfrontofthe#1extractionnon-returnvalve
25
2#抽汽逆止阀前疏水气动阀
Waterdrainagepneumaticvalveinfrontofthe#2extractionnon-returnvalve
26
3#抽汽逆止阀前疏水气动阀
Waterdrainagepneumaticvalveinfrontofthe#3extractionnon-returnvalve
27
4#抽汽逆止阀前疏水气动阀
Waterdrainagepneumaticvalveinfrontofthe#4extractionnon-returnvalve
28
5#抽汽逆止阀前疏水气动阀
Waterdrainagepneumaticvalveinfrontofthe#5extractionnon-ret