厂用电切换调试方案

文档由风行下载2011正式版：友情提供文档编辑：静脉曲张袜：友情提供资料BALCOBALCOBALCOBALCOEXPANSIONEXPANSIONEXPANSIONEXPANSIONPROJECTPROJECTPROJECTPROJECT4444××××300300300300MWMWMWMWTHERMALTHERMALTHERMALTHERMALPOWERPOWERPOWERPOWERPLANTPLANTPLANTPLANTProcedureProcedureProcedureProcedureofofofofAuxiliaryAuxiliaryAuxiliaryAuxiliaryPowerPowerPowerPowerChange-overChange-overChange-overChange-overTestTestTestTest印度BALCOBALCOBALCOBALCO扩建4444××××300MW300MW300MW300MW燃煤电站工程厂用电切换系统调试方案DecDecDecDec....20092009200920092010年12月Compiledby:编写：_______________Revisedby：审核：Approvedby：批准：印度BALCO扩建4x300MW燃煤电站工程厂用电切换调试方案Pageof91目录CONTENTSCONTENTSCONTENTSCONTENTS1.试验目的PurposePurposePurposePurpose2.试验范围ScopeScopeScopeScopeofofofoftesttesttesttest3.系统及设备参数SpecificationSpecificationSpecificationSpecificationofofofofmajormajormajormajorequipmentequipmentequipmentequipment4.试验前应该具备条件PrerequisitesPrerequisitesPrerequisitesPrerequisitesofofofoftesttesttesttest5.试验步骤TestTestTestTestprocedureprocedureprocedureprocedure6.注意事项SafetySafetySafetySafetyprecautionsprecautionsprecautionsprecautions印度BALCO扩建4x300MW燃煤电站工程厂用电切换调试方案Pageof921.1.1.1.目的PurposePurposePurposePurpose1.1检查电气保护、联锁、信号和厂用电源切换装置设备等，确认其动作可靠。检查设备的运行情况和系统的性能，发现并消除可能存在的缺陷。保证系统和设备能够安全正常地投入运行。Checkandconfirmtheprotection,interlock,signal,change-overdevicesandsoon.Confirmtheactionmustbereliable.Checkequipmentoperationandsystemperformance.Discoverandtheneliminatethedefectmightexist.Ensurethesystemandequipmentscanbeputintooperationsafely.2.2.2.2.试验范围TestTestTestTestscopescopescopescope2.16KV单元段1SA(2SA)带负荷切换On-loadchange-overtestof6KVunitboard1SA（2SA）2.26KV单元段1SB(2SB)带负荷切换On-loadchange-overtestof6KVunitboard1SB（2SB）2.36KV公用段1A(2A)带负荷切换On-loadchange-overtestof6KVcommonserviceboard1A(2A)2.46KV公用段1B(2B)带负荷切换On-loadchange-overtestof6KVcommonserviceboard1B(2B)3.3.3.3.试验前应具备的条件：PrerequisitesPrerequisitesPrerequisitesPrerequisitesbeforebeforebeforebeforetesttesttesttest3.1电气、热控应具备的条件：ElectricandI/Cprerequisites3.1.16KV工作、公用段工作进线、备用进线开关传动试验完毕，结果正确。Transmissiontestofworking6.6KVandcommon6.6KVswitchesmustbecompletedandcorrect.3.1.2厂用电源快切装置静态调试完毕，各整定值已按定值通知单执行，且具备投运条件。Statictestofauxiliarypowerchange-overdevicemustbecompleteandfulfilltheoperationrequirement.Set-valuemustbeimplementedasperrequisition.3.1.3A高厂变、#2启备变所有保护已投入。AllprotectionsofunittransformersA、#2stationtransformermustbeputintooperation.3.1.4A高厂变、#2启备变冷却器已投入。Allcoolersystemofunittransformers、#2stationtransformermustbeputintooperation.3.1.5电气和热控的有关表计经过校验，指示正确。RelatedelectricandI&Cgaugesmustbecalibratedandcorrectindication.3.1.6电气和热控的保护、联锁、控制和信号传动试验完成，试验结果正确。Protections,interlock,controlandsignaltransmissiontestofelectricandI&Cmustbecompleteandcorrect.3.2土建应具备的条件：印度BALCO扩建4x300MW燃煤电站工程厂用电切换调试方案Pageof93CivilCivilCivilCivilpreconditionspreconditionspreconditionspreconditionswhichwhichwhichwhichshouldshouldshouldshouldbebebebeprovidedprovidedprovidedprovidedbeforebeforebeforebeforetesttesttesttest3.2.1试运现场道路畅通，照明充足，事故照明可靠。Roadsoftrialrunningareamustbesmooth.Theilluminationmustbesufficient,andtheemergencyilluminationmustbereliable.3.2.2试运现场通讯设备方便可用。Communicationdevicesoftestingareamustbeconvenientforoperation.3.2.3备有足够的消防器材，并且完好可用。Fire-fightingfacilitiesmustbesufficientandcompleteforoperation.4444试验步骤PPPProcerocerocerocessssssssofofofofttttestestestest4.1厂用电源系统带负荷切换试验Auxiliarypowersystemon-loadchange-overtest机组启动并网进入带负荷试运阶段时，根据现场实际运行情况，机组带一定负荷且运行稳定后，进行厂用电源切换。Aftersynchronizedunitwason-loadandstabilized,prosecutethepowerchange-overtestasperactualsituation.a.6KV高压厂用电源一次核相Primaryphase-compareof6Kvauxiliarypowersystemb.6KVA段核相Primaryphase-compareof6KvunitboardAc.将工作进线小车开关拉出至“检修”位置。Confirmworkingincomingswitchhadbeenpulledout.d.在工作进线开关柜上下端口用6kV校相棒对厂用工作电源和备用电源进行一次定相，要求试验人员带绝缘手套，穿绝缘靴，保持注意力高度集中。Comparetheprimaryphasesofauxiliarypowerandstandbypowersystemby6Kvphase-checkinginstrumentattheupsideanddownsideportsofworkingincomingswitch.Testingpersonnelmustconcentrateonprogresswithinsulatedglovesandboots.e.确认电压相位正确后，将工作进线小车开关推至“工作”位置，并给上操作电源。Afterphaseconfirmed,pushtheworkingincomingswitchinto“service”positionandturnonthecontrolpower.6.6KVB段核相Primaryphase-compareof6KvunitboardBf.将工作进线小车开关拉出至“检修”位置。Confirmworkingincomingswitchhadbeenpulledout.g.在工作进线开关柜上下端口用6kV校相棒对厂用工作电源和备用电源进行一次定相，要求试验人员带绝缘手套，穿绝缘靴，保持注意力高度集中。Comparetheprimarycircuitphasesofauxiliaryoperationpowerandstandbypowersystemsby6Kvphase-checkinginstrumentattheupsideanddownsideportsofworkingincoming印度BALCO扩建4x300MW燃煤电站工程厂用电切换调试方案Pageof94switch.Testingpersonnelmustconcentrateonprogresswithinsulatedglovesandboots.h.确认电压相位正确后，将工作进线小车开关推至“工作”位置，并给上操作电源。Afterphaseconfirmed,pushtheworkingincomingswitchinto“service”positionandturnonthecontrolpower.4.24.24.24.2并联半自动切换parallel-connectingsemiautomaticchangeover4.2.16KVA段切换ChangeoverChangeoverChangeoverChangeoverofofofof6Kv6Kv6Kv6KvswitchgearswitchgearswitchgearswitchgearAAAAa.确认A高厂变及6kVA分支所有保护已投入。ConfirmallprotectionsofAunittransformerand6KvAunitboardmustbeinservice.b.确认发变组故障录波装置已投入。Confirmgenerator-transformerunitfailurerecordingdevicemustbeinser