142MW汽轮机调节系统说明书

DocumentNo.:71.N151-03E02SHANGHAIELECTRICPOWERGENERATIONEQUIPMENTCO.，LTD.SHANGHAITURBINEPLANTThisdocumentcontainsproprietaryinformationownedbyShanghaiElectricPowerGenerationEquipmentCo.,Ltd.ShanghaiTurbinePlant.Usethisdocumentsolelyforthepurposegiven.Donotreproduce,discloseoruseotherwisewithoutwrittenconsentofShanghaiElectricPowerGenerationEquipmentCo.,Ltd.ShanghaiTurbinePlant.142MWTURBINEGOVERNORSYSTEMSPECIFICATION142MW汽轮机调节系统说明书DocumentNo.:71.N151-03E02COMPILINGDEPT.：编制部门：自动化控制中心COMPILEDBY：编制：CHECKEDBY：校对：REVIEWEDBY：审核：APPROVEDBY：审定：STANDARDIZEDBY：标准化审查：COUNTERSIGN：会签：RATIFIEDBY:批准：DocumentNo.:71.N151-03E02IContents1.TurbineControlSystemSummary..........................11.1Introduction..............................................11.2DEHController............................................21.3TheworkstationforoperatorInterface....................31.4SteamValveServo-actuators...............................41.5EHFluidSupplyPortion...................................81.6EmergencyTripSystem(ETS)..............................112.DEHControllerDEH......................................132.1HardwareConfigure.......................................142.1.1DEHWorkstation.....................................152.1.2ControlProcessor...................................162.1.3Thecontrolnetwork.................................172.1.4I/OCard............................................182.1.4.14-20mAInputModule.................................182.1.4.2Thermocouple/mVInputModule........................182.1.4.34-20mAOutputModule................................192.1.4.4RTDinputmodule....................................192.1.4.5Contact/DcInputModule............................192.1.4.6Pulseinputmodule..................................192.1.4.7Digitalinput/outputmodule........................192.1.4.8Digitaloutputmodule...............................202.2DEHFunction.............................................202.2.1SpeedControl.......................................202.2.2Over-speedProtectionFunction......................212.2.3Over-speedTripTest................................212.2.4Synchronization.....................................222.2.5LoadControl........................................22DocumentNo.:71.N151-03E02II2.2.6FunctionofInitialLoad............................222.2.7FunctionofLoadLimited............................232.2.8OnceTransferFrequency.............................232.2.9RemoteControlMode.................................232.2.10FunctionofValveTest..............................242.2.11FunctionofThrottlePressureLimited...............242.2.12Manual/AutomaticControlMode.......................242.2.13FunctionofSimulation..............................252.2.14DataDisplayandAlarmPrint........................252.2.15TurbineStatusSupervisory..........................262.3MainOperatingMenuIntroduction.........................262.3.1ControlModeMenu...................................262.3.2FeedbackLoopMenu..................................262.3.3TurbineLimitedValueMenu..........................272.3.4ValveIndicatorandValveTestMenu.................273.OperatorInterface.....................................273.1Keyboard,Mouse,LCD.....................................283.2Printer..................................................284.ActuatorControlSystem................................284.1HPStopValveActuatorAssemblies........................304.2GovernorandinterceptorvalveActuatorAssemblies.......334.3ReheatStopValveActuatorAssembly......................355.FluidSupplyPortion...................................375.1FluidSupplyApparatus...................................375.1.1WorkingPrinciple...................................395.1.2MainEquipmentsofFluidSupplyPortion.............405.1.3EHReservoir........................................405.1.3.1FluidPump..........................................405.1.3.2ControlBlock.......................................41DocumentNo.:71.N151-03E02III5.1.3.3MagneticPlug.......................................425.1.3.4Accumulator.........................................425.1.3.5Cooler..............................................425.1.3.6EHTerminalBox.....................................435.1.3.7FloatTypeFluidLevel..............................445.1.3.8CheckValve.........................................445.2FireResistantFluidandPolishingFilterAssembly.......445.2.1FireResistantFluid..............................455.2.2PolishingFilterAssembly.........................455.3HPandLPAccumulators...................................476.EmergencyTripSystem..................................496.1ASTSolenoidValves(20/AST).............................526.2OPCSolenoidValves(20/OPC).............................526.3EmergencyTripControlBlock.............................546.4CheckValves.............................................576.5InterfaceDiaphragmValve................................586.6Emergencygovernor.......................................616.7Emergencygovernorpilotvalve...........................636.8Emer