BTG大联锁措施.docx

印尼BATAMTJK2x65MW燃煤电站工程BTG大联锁调试措施PROCEDUREOFBTGINTER1.OCKFORINDONESIABATAMTJK2×65MWCOA1.-FIREDPOWERP1.ANTDec.20212021年12月ITEMNO.:Conpliedby:编写:Revisedby:审核:Approvedby:批准目录Contents1 .平安考前须知Safetyprecautions2 .调试目的Purpose3 .仪器设备Equipment4 .编制依据Reference5 .调试范围Scopeofcommissioning6 .调试前必需具备的条件Conditionsofcommissioning7 .调试步骤Processofcommissioning8 .调试合格标准Acceptanceofcommissioningresult9 .附录Appendices1 .平安考前须知SafetyDrecauticns全部忒验人员应严格遵守本现场的各种平安工作规定，确保试验平安牢靠的进展AIlPer$onnelparticipatedincommissioningshouldstrictlyfollowthecommissioningprocedureandsitesafetyrulesinordertoensurethattasksareperformedinasafeandorderlyway.试验过程应统一组织统一指挥：Testingandcommissioningshallbewellorganizedandconductedunderunifiedcommand.在试验过程中如有危及人身及设备平安的状况，应马上停顿试脸：Incaseofanyabnormalconditionsleading(opersonalinjuryandequipmentdamage,suspendtestingimmediatelyandtakecorrectivemeasures.试验过程中合发电机出口断路器和会场断路器时，做好平安隔离措施，防止发电机误上电。BcsuretoisolatethegeneratorsystemelectricallybeforeclosinggeneratorCBandmagneticfieldCBtopreventinadvertentenergizingthegenerator.2 .调试目的C<jmmissi<>incDunwse为了指导及标准系统及设备的调试工作，检验系统的性能，发觉并消退可能存在的缺陷，保证系统及设备能够平安正常投入运行.Instmclandregulatethesystemandequipmentscommissioning.Verifysystemperformance.Discoverandeliminatedefectsmightexist.Ensurethesystemandequipmentscanbepulintooperationsafelyandnormally.3 .仪器设备EaUiDinent以F全部的仪器已经过校验.AHtheinstrumentsbelowhavealreadycalibrated.3 .1万用表：F1.lKE17BMultimeter:F1.UKEI7B3.2信号发生器：F1.UKE744SignalSource:F1.UKE7444 .编IM依据Reference设计图纸Designdrawing制造厂家产品说明书Manufactureproductdocument5 .调试范围机组BTG大联锁，即纲炉、汽轮机、发电机之间的联锁关系。Boilcr-Turbinc-Gcncrator(BTG)interlockisthelogicrelationshipbetweentheoperationsonboiler,turbineandgenerator.5.1 锅炉主爱护MFT动作信号送到ETS联跳汽轮机，汽轮机跳闸后，通过逆功率爱护跳闸发电机。ThesignalMFT(masterfueltrip)iniiatestheETStotripheturbine,aftertheturbinetripped,hegeneratorwillbetrippedoffbyreverse-powerprotection.5.2 发电机主强护动作联跳汽轮机。汽轮机跳闸后,锅炉负荷(蒸汽流垃)大于30%,触发锅炉MFT动作。Theoperationofgeneratormainprotectionswillintertriptheturbine,whichwill,inturn,initiateMFTiftheboilerload(mainsteamflow)isgreaterthan30%.6,调试防必需具备的条件C>nditiuns(>fc<mmii<)ni11E6.1 机组分系统试运工作完毕,分系统试运中出现的何时已全部处理完毕：Testingand(rialrunofeachsubsystemhasbeenfinished.Alldefectsandabnormalconditionsoccurredinthetrialrunhavebeenrectified.6.2 锅炉主爱护(MFn的各项试验己全部完毕，逻辑关系正确；AlltestingitemsofMFThavefinished,showingthelogicconditionscorrect.63锅炉各主要辅机的联锁爱护试脸完毕，逻辑关系正确：Testingoftheinterlocksandprotectionsofboilerauxiliarieshasfinished,indicatinglogicconditionscorrect.6.4 汽轮机主爱护的各项试验全部完毕，逻辑关系正酹：Testingofallmainprotectionsofturbinehasfinished,showingtheoperationlogiccorrect.6.5 汽轮机各主要辅机的联锁爱护试验完毕，逻辑关系正确：TestingOfinterlocksandprotectionsofturbinemainauxiliarieshasfinished,showingthelogiccorrect.66发-变组爱护的各项试骁全部完毕，逻辑关系正确：Testingofallprotectionsofgenerator-transformerunithasbeenfinished,showinglhcoperationlogiccorrect.6.7 发-变组系统断路器传动试验完毕,符合设计要求。Thecircuitbreakers(CBs)ofgenerator-transformerunithavepassedtransmissiontest,fulfillingdesignrequirements.6.8 现场道路畅通，通讯设施良好，照明足够。Roadsandpathsinsiteareclear,convenientcommunicationsandsufficientlightingareavailable.6.9 整套启动前的条件根本满意。Theentireplantandsupportsystemhavebeenmadeinreadinessforintegralunitstart-up.7.调试步¾!ProcessOfCOmmiSSiOning74.1 忒验前机组状态Pre-testingconditionoftheunit7.1.1锅炉状态：Boilercondition 启动送、引风机.（开关在试验位）StartIDRInandFDfan（CBin'Tcst"position）. 锅炉吹扫完成（信号模拟），MFTMftoSimulatecompletionoffurnacepurging.ResetMF. 随意模拟投入层油抢。Simulatethatoilgunsatthefirstlevelarepulintooperation. 在试验位合一次风机开关，模拟投入下层制粉系统.ClosePAfanCBin'TEST"positionandsimulatetoputmillgroupAintooperation. 靓开减温水电动门（过热落一减、;减电动门及总门，再热器事故喷水电动门、再热器微调减温水电动门及总门）。Openmotorizedatteneratingwatervalves,including1st,2ndstageaitenperatorsandmainisolatingvalvesofsuperheater,emergencyspraywatervalve,2ndstageattemperatingvalveofreheaterandmainisolatevalvesofreheater.7.1.2汽轮机状态：Turbinecondition DEH嵬:位。ResetDEH. 汽轮机挂闸，主汽门开启。1.atchturbineandopenmainsteamvalves. 将汽轮机疏水阀全关。Closeallturbinedrainvalves. 将汽轮机抽汽逆止门及抽汽电动门全开。Openturbineextractionnon-returnvalveandmotorizedvalvefully.7.1.3电气状态：Generatorcondition 手动合发电机出口开关Closegeneratorcircuitbreaker（CB）manually. 手动合磁场断路器CTIoseHeldbreakermanually.7.2联锁试验:Testingofinterlockcircuits:锅炉跳闸，联锁汽轮机跳闸，汽轮机跳闸后通过逆功率爱护联跳发电机。Boilertrippingwillintertriptheturbine,resultinginthegeneratortripbyreverse-powerprotection.在发变组爱护柜模拟逆功率值大于设定值。Atgenerator-transformerprotectioncabinet,simulatethevalueofreversepowergreaterthanthesettingvalue.选择项MFT爱护条件,触发MFT动作。InitiatetheMFTbysimulatingoneofMFTprotectionconditions.MFT动作，锅炉跳闸，联跌供油快关闽、回油快关阀、油角脚及吹扫阀、油枪及点火枪、一次风机、A给煤机、A磨煤机、下层制粉系统，联关减温水电动门(过热器一减、二减电动门及总门，再热落事故喷水电动门、再热涔微谢减温水电动门及总门)。MFTactionwillinitiatethefollowingprotectionoperations:1) Oilfeedfastvalveinertrip2) Returnoilfastvalveintertrip3) Oilcornervalvesandpurgingsteamvalvesintertrip4) oilgunsa