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核电站字母代码说明系统代码（三字码）设备功能代码（二字码）厂房和构筑物代码核电站字母代码说明2/471系统的三字母代码和名称MAINPLANTDIVISIONS电厂主要功能类别AFeedwaterSupply给水供应CCondenser(Condensation–Vacuum–Circulatingwater)凝汽器（冷凝—真空—循环水）DVentilation–HandlingEquipment–Communications–Lighting通风—装卸设备—通讯—照明EContainment安全壳GTurbineGenerator汽轮发电机JFireProtection(detection–firefighting)消防（探测—火警）KInstrumentationandControl仪表和控制LElectricalSystems电气系统PPits各种坑、池RReactor反应堆SGeneralServices公用系统TWasteTreatment三废处理VMainSteam主蒸汽XAuxiliarySteamProduction辅助蒸汽生产注意：每个系统后面所给出的机组号仅是给出供参考（参考电站三核）核电站字母代码说明3/47系统代号机组号中/英文名称ABP3，4LowpressureFeedwaterHeater低压给水加热器系统ACO3，4FeedwaterHeatersDrainRecovery给水加热器疏水回收系统ADG3，4FeedwaterDeaeratingTankandGasStripper给水除气器系统ADS#3，4LVACNetwork380V(ETBuilding)低压交流电源（380V）系统（ET厂房）AET3，4FeedwaterPumpTurbineGland主给水泵汽机轴封系统AGM3，4MotorDrivenFeedwaterPumpLubrication电动主给水泵润滑油及调节油系统AGR3，4FeedwaterPumpTurbineLubricationControlFluid主给水泵汽机润滑油及调节油系统AHP3，4HighPressureFeedwaterHeater高压给水加热器系统APA3，4Motor–DrivenFeedwaterPump电动主给水泵系统APD3，4Start–upFeedwaterSystem启动给水系统APG3，4SteamGeneratorBlowdown蒸汽发生器排污系统APP3，4Turbine–DrivenFeedwaterPump汽动主给水泵系统APU3，4FeedwaterPumpTurbineDrain主给水泵汽机疏水系统ARE3，4FeedwaterFlowControl给水流量控制系统ASG3，4，8AuxiliaryFeedwater辅助给水系统ATE3，4CondensatePolishingPlant凝结水净化处理系统#这是第二章中所述的系统标识和名称规则中的一个例外。核电站字母代码说明4/47系统代号机组号中/英文名称CAR3，4TurbineExhaustWaterSpraying汽机排气口喷淋系统CET3，4TurbineGland汽机轴封系统CEX3，4CondensateExtraction凝结水抽取系统CFI3，4CirculatingWaterFiltration循环水过滤系统CGR3，4CirculatingWaterPumpLubrication循环水泵润滑系统CPA3，4CathodicProtection阴极保护系统CRF3，4CirculatingWater循环水系统CTE3，4CirculatingWaterTreatment循环水处理系统CVI3，4CondenserVacuum凝汽器真空系统DAA8BOPElevatorSystemBOP电梯系统DAI3，4，8NuclearIslandBuildingElevators核岛厂房电梯DAM3，4TurbineHallElevators汽机厂房电梯DEG3，4NuclearIslandChilledWater核岛冷冻水系统DEL3，4ElectricalBuildingChilledWater电气厂房冷冻水系统DMA8BOPHotworkshipandWharehouseEquirement(ACbuilding)BOP热机修间及仓库搬运装卸设备（AC厂房）DME8MainSwitchyardHandlingEquipment（TBBuilding）主开关站搬运装卸设备（TB厂房）DMH8MiscellaneousHoistsandLiftingEquipmentinBOPBuildingsandAreasBOP厂房和BOP区域内的各种起吊设备核电站字母代码说明5/47DMK3，4FuelBuildingHandlingEquipment核燃料厂房搬运装卸设备DMM3，4TurbineHallMechanicalHandlingEquipment汽机厂房机械搬运装卸设备DMN8NuclearAuxiliaryBuildingHandlingEquipment核辅助厂房搬运装卸设备DMP8CirculatingWaterPumpingStationHandlingEquipment循环水泵站搬运装卸设备DMR3，4ReactorBuildingHandlingEquipment反应堆厂房搬运装卸设备DMW3，4，8HandlingEquipmentofReactorBuildingExternalgantry,PeripheralRooms,DieselBuildings,WasteAuxiliaryBuildingandElectricalBuilding反应堆厂房外部龙门架、连接厂房房间、柴油机房、核废物辅助厂房和电气厂房的搬运装卸设备DNB3，4BOPBuildings&Areas–NormalLightingBOP厂房和BOP区域正常照明系统DNK3，4FuelBuildingsNormalLighting核燃料厂房正常照明系统DNL3，4，8ElectricalBuildingNormalLighting电气厂房正常照明系统DNM3，4TurbineHallNormalLighting汽机厂房正常照明系统DNN8NuclearAuxiliaryBuildingNormalLighting核辅助厂房正常照明系统DNP3，4Circulatingwaterpumpingstationnormallighting循环水泵房正常照明系统DNQ8WasteAuxiliaryBuildingNormalLighting废物辅助厂房正常照明系统DNR3，4ReactorBuildingNormalLighting反应堆厂房正常照明系统DSB3，4BOPBuildingsandAreasEmergencyLightingBOP厂房和BOP区域应急照明系统DSI8SiteDetectionandMonitoringSystem厂区报警与监视系统DSK3，4FuelBuildingEmergencyLighting核燃料厂房应急照明系统核电站字母代码说明6/47DSL3，4，8ElectricalBuildingEmergencyLighting电气厂房应急照明系统DSM3，4TurbineHallEmergencyLighting汽机厂房应急照明系统DSN8NuclearAuxiliaryBuildingEmergencyLighting核辅助厂房应急照明系统DSP3，4CirculatingwaterpumpingstationEmergencyLighting循环水泵站应急照明系统DSQ8WasteAuxiliaryBuildingEmergencyLighting废物辅助厂房应急照明系统DSR3，4ReactorBuildingEmergencyLighting反应堆厂房应急照明系统DTL3，4Closed–CircuitTelevision闭路电视系统DTV3，4，8SiteCommunicationSystem厂区通讯系统DVC3，4ControlRoomAirConditioning主控制室空调系统DVE3，4，8CableFloorVentilation电缆层通风系统DVF3，4，8ElectricalBuildingSmokeExhaust电气厂房排烟系统DVG3，4AuxiliaryFeedwaterPumpRoomVentilation辅助给水泵房通风系统DVH3，4ChargingPumpRoomEmergencyVentilation上充泵房应急通风系统DVI3，4ComponentCoolingRoomVentilation设备冷却水房间通风系统DVK3，4FuelBuildingVentilation核燃料厂房通风系统DVL3，4，8ElectricalBuildingMainVentilation电气厂房主通风系统DVM3．4TurbineHallVentilation汽机厂房通风系统DVN3，4，8NuclearAuxiliaryBuildingVentilation核辅助厂房通风系统DVP3，4CirculatingWaterPumpingStationVentilation循环水泵站通风系统核电站字母代码说明7/47DVQ8WasteAuxiliaryBuildingVentilation废物辅助厂房通风系统DVS3，4SafetyInjectionandContainmentSprayPumpMotorRoomVentilation安全注入和安全壳喷淋泵电机房通风系统DVT8DemineralizationPlantVentilation（YAbuilding）除盐水车间通风系统(YA厂房)DVV8AuxiliaryBoilerandCompressorBuildingVentilation（VABuilding）辅助锅炉和空压机厂房通风系统（VA厂房）DVW3，4PeripheralRoomsVentilation安全壳环廊房间通风系统DVX8LubricatingOilTransferPlantBuildingVentilation润滑油输送装置厂房通风系统DWA8HotWorkshopandWarehouseVentilation(ACbuilding)AC厂房热机修车间和仓库通风系统DWB8RestaurantVentilation(SAbuilding)SA餐厅通风系统DWC8EAsimulatorcenterventilationsystemEA模拟机中心通风系统DWD8SecurityBuildingVentilationSystem(UA/UDbuilding)保安楼通风系统DWE8MainSwitchyardVentilation(TB&TCbuilding)主开关站通风系统(TB/TC厂房)DWH8ECBuildingVentilationSystemEC厂房暖通空调系统DWL8HotLaundryVentilation热洗衣房通风系统DWM8EmergencyCenterVentilationSystem(EMbuilding)应急中心通风系统（EM楼）DWN8SiteLaboratoryVentilation（ALbuilding）厂区实验室通风系统（AL厂房）DWQ8Garage&LaundryVentilation(AG/ELbuilding)车库和洗衣房通风（AG/EL厂房）DWS3，4EssentialServiceWaterPumpingStationVentilation（PXbuilding）重要厂用水泵站通风系统(PX厂房)核电站字母代码说明8/47DWT8Archive&DocumentationCentreVentilation(ADbuilding)文档中心通风系统