135MW汽轮机组危急遮断系统说明书(英文)

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1、资料编号：71.D151.35-08E03135MWTURBINEEMERGENCYTRIPSYSTEMSPECIFICATION135MW汽轮机组危急遮断系统说明书发布实施中华人民共和国上海汽轮机有限公司发布此资料系上海汽轮机有限公司专有资料，属本公司产权所有。未经本公司书面同意，不准擅自复制，不得向第三方转让、披露及提供。资料编号：71.D151.35-08E03COMPILINGDEPT.：编制部门：自控中心COMPILEDBY：编制：陈建2005.5CHECKEDBY：校对：王正明2005.5REVIEWEDBY：审

2、核：王正明2005.5APPROVEDBY：审定：杨炯2005.5STANDARDIZEDBY：标准化审查：COUNTERSIGN：会签：RATIFIEDBY:批准：资料编号：71.D151.35-08E03目次1.GENERAL……………..….….…………………………………12.EMERGENCYTRIPCONTROLBLOCK……………………13.TESTBLOCK….………………………………………………...24.THRUSTBEARINGTRIPDEVICE…………………………...35.ELECTROLCALOV

3、ERSPEEDTRIPDEVICE…………...46.PRINCIPLEOFCONTROLLOGIC…………………….46.1TRIPLOGIC……………………….………..………..…..46.2TRIPCONTROLLOGIC…………………………….…..57.INTRODUCEOFETSCABINETANDPANEL…………67.1POWERSUPPLY…………………………………………67.2PLCUSINGANNOTATES..……………………………….67.3OPERATORPANEL…………………………………….

4、..78.TESTING..…………………….…….…….….……………..108.1LOWBEARINGOILTEST...……………………………108.2ELECTRICALOVERSPEEDTEST…………………….118.3MECHANICALOVERSPEEDTEST……………………119.NOTE.…………………………………………..………….12共1页第1页上海汽轮机有限公司135MW汽轮机组调节系统说明书135MWTURBINEEMERGENCYTRIPSYSTEMSPECFICATION资料编号71.D15

5、1.35-08E031.GENERALTheemergencytripsystemmonitorscertainturbineparametersandclosesallturbinesteaminletvalveswhentheoperatinglimitsoftheseparametersareexceeded.Theparametersmonitoredasfollows:lTurbineover-speedlLowbearingoilpressurelLowcondenservacuumlLowEHfluidpres

6、surelThrustbearingwearlVibrationbearinglDifferentialexpansionlRemotetripswhichacceptadditionalexternaltriparealsoprovidedThesystemutilizesatwo-channelconceptthatpermitson-linetestingwithcontinuousprotectionaffordedduringthetestsequence.AsillustratedinFigure1,thesys

7、temconsistsofanemergencytripcontrolblockwithtripsolenoidvalvesandstatuspressureswitches,threetesttripblockswithpressureswitchesandtestsolenoidvalves,someofpickupsoftheturbinesupervisoryinstrument(TSI),forexamplerotorpositionpickupsetc.,threespeedpickups,acabinetcon

8、tainingelectricalandelectronichardwareandaremotelymountedstatusandtestpanel.Thesensingdevicesattheturbinetransmitelectricalsignalstothetripcabine