参考说明成果1

1、文件种类S DraftedCheckedReviewedApprovedModification-BCHENGGANG NUCLEARPLANT PHASE I (21000MW)文件编码文件种类S DraftedCheckedReviewedApprovedModification-BCHENGGANG NUCLEARPLANT PHASE I (21000MW)文件编码DOC. BLX17DVL046DIYK45电气厂房主通风系统手SystemManual-6.6,6.7作原则和动力源故障分Chapter6.6,6.7OperatingprincipleandsupplyProject文件

2、类Sub-Item设计阶段EngineeringSBA:B:C:工程设计国家甲级 号：A144008121工程 国家甲级 工咨甲 22420070005 National A grade engineering designing,中广核工程设CertificationNO:NationalAgradeengineeringCertificationNO:CHINA ERDESIGN编ernalisthepropertyofCNPDCItmustnotbeused、reproduced、transmittedordisclosedwithout the prior written permis

3、of CNPDC 本文件之，任何人不得擅自使用、传递该文件Rev 版版日状编Drafted校Checked审 批Approved修改说Modification-ARev 版版日状编Drafted校Checked审 批Approved修改说Modification-ARev CHENGGANGPLANTRev CHENGGANGPLANTPHASEI电气厂房主通风系统手DVL- Electrical Building Main Ventilation System Manual6.6,6.7作原则和动力源故障分Chapter 6.6, 6.7 Operating Principle Supply

4、 CHINA ERDESIGNRev 文件修版日章页修改范围及依ABRev 6.6OperatingRev 6.6Operating6.6.16.6.26.6.3Incidentersupply6.7.1LossofSARinstrumentcompressed6.7.2Lossof48Ver6.7.3Lossofl10Ver6.7.4Lossof220Versupply(losser6.7.5Lossofer6.7.6LossofchilledwaterRev6.6Operating The two assoted fans of each train are started from th

5、e local control board with the “start” button.UNIT 1: TRAINA(201-202 ZV) L504-213CR UNIT 2: TRAINA(201-202 ZV) L544-213CR UNIT1:TRAINB(203-204ZV)W425-210CR UNIT2:TRAINRev6.6Operating The two assoted fans of each train are started from the local control board with the “start” button.UNIT 1: TRAINA(20

6、1-202 ZV) L504-213CR UNIT 2: TRAINA(201-202 ZV) L544-213CR UNIT1:TRAINB(203-204ZV)W425-210CR UNIT2:TRAINB(203-204ZV)W541-Recyclecontrolisinitiatedfromthecontrol Electrical operated control setting201RGon Electrical operated control setting202RGonFireersarehesewaysasSignalsfromsorsKIChemaincontrol he

7、JDTmimicMeltingthefuseitions of fire ers are indicated by a local light on JDT mimic panels and KIC.Thefirevolumeisisolatedbyclosingallfirehe above 6.6.1.2sandcoldSimultaneouslyfans101-102ZVareoperatedbyKICaincontrolElectrical heaters 104RS (unit 2 only) are manually started from the local board by

8、setting 104CC to ition afterclosingswitchboardcircuitFireeroperation6.6.1.3 Chillers Manual startup of the fans from the local control board is provided by switchandRevTheexhaustfan,wheninition,startsonhighR134a6.6.1.4TornadoTornado ers RevTheexhaustfan,wheninition,startsonhighR134a6.6.1.4TornadoTor

9、nado ers are normally opened. In case of tornado, the ted device of each er brings about its closing. Opening sible after ceasing event,by actuatingthe 6.6.2aticlocal remotecontrollocatednearthe6.6.2.1LV/MVswitchboardFans belonging to the same train are manually shutdown using the local panel “stop”

10、 Recycle control is shut down by d (201RG or 202RG set to Incaseoffireinrelevantfirevolume,fanswillbecutoff.6.6.2.2sandcoldsareafans 101ZVand 102ZVareshut downfromthecontrol IncaseoffireinrelevantfireVolume,fanswillbecutoff.In case of supply air or electrical heaters overheating, or low airflow or l

11、oss of supply, electrical heaters 104RS (unit 2 only) are automatically shut down.6.6.2.3 Chillers Fans 001ZV/002 ZV shut down automatically on high R134a concentration or fire in L201/L203 (L241/L243) or manually from local control board (“stop” button).6.6.3IncidentIngeneral,allfaultsandalarmsared

12、isplayedinKIC.Locals indicate the type 6.6.3.1Lossna)LV/MVswitchboardTheventilationsystemcontinuestooperatebutwithreducedairb)sandcoldThe ventilation system continues to operate but with reduced are flow. Electrical heaters will trip if the air flow is abnormal low.c)ChillersRevTheventilationis 6.6.

13、3.2JDTalarm indicates the floor on which the fire has been detected in KIC. The location of the fire is determined RevTheventilationis 6.6.3.2JDTalarm indicates the floor on which the fire has been detected in KIC. The location of the fire is determined from the JDT mimic panel ain control After t t

14、he fire exists, the area is isolated by closing fire ers describedinparagraphIf the air temperature reaches 70and if the fire ers cannot be closed manualoperation,the erfusemeltsandclosethefireVentilation may be shut down or ma (see table herein after).ained, depending on the location of the Resetti

15、ngoffireResettingoffireersiscarriedoutinersisalsooperated1DVLs+DELinstalledSafetyfirerequirement(volumestobeFVPrtFVPrt(DEL SLX/MXESESSERev1DVL(anotherNOTE 1: The fan 1DVL001ZV is stopped automatically in case of fire detection in ZFSL0180A. The fan 1DVL002ZV is stopped automatically in case of fire

16、in ZFSL0280B. It is absolute forbidden to start the emergency fan 1DVL003ZV Rev1DVL(anotherNOTE 1: The fan 1DVL001ZV is stopped automatically in case of fire detection in ZFSL0180A. The fan 1DVL002ZV is stopped automatically in case of fire in ZFSL0280B. It is absolute forbidden to start the emergen

17、cy fan 1DVL003ZV case of fire in ZFSL0180A to avoid hot gases to be o Therefore, the automatic starting of 1DVL003ZV shall be locked by fire detection ZFSL0180A.ByconservatismitwillbealsolockedbyfiredetectioninNOTE2:Thefans101 and102ZVare stoppedautomaticallyfromDVLs in offireinSFSL0380AorZFAL0001(o

18、nly)becauseers103and104VAFwillclosed. The fans 203 and 204 ZV are stopped automatically in case of fire SFSL0381 B or ZFSW0780A because ers 286 and 287VAF will be closed. fans 201 and 202 ZV are stopped automatically in case of fire in SFSL0380A becauseers305VAFand306VAFwillbeInstalledSafetyfirerequ

19、irement(volumestobeFVPrtFVPrtSESEEESEEERev2DVLs+ DEL2DVL(anotherNOTE1: The fan 2DVL001ZV is stopped automatically in case of fire ZFSL0190A. The fan 2DVL002ZV is stopped automatically in case of fire in ZFSL0290B. It is absolute forbidden to start the emergency Rev2DVLs+ DEL2DVL(anotherNOTE1: The fa

20、n 2DVL001ZV is stopped automatically in case of fire ZFSL0190A. The fan 2DVL002ZV is stopped automatically in case of fire in ZFSL0290B. It is absolute forbidden to start the emergency fan 2DVL003ZV installedSafetyfirerequirement(volumestobeFVPrtFVPrtSEEOUTSIES OUTSIDE(airinstalledSafetyfirerequirem

21、ent(volumestobeFVPrtFVPrt(DEL SLX/MXboundary(Firein SEinstalledSafetyfirerequirement(volumestobeFVPrtFVPrtESELX/MXSESOUTRevcase of fire in ZFSL0190A to avoid hot gases to be o Therefore, the automatic starting of 2DVL003ZV shall be locked by fire detection in ZFSL0190A. By conservatism it will be al

22、so locked by fire detection in ZFSL0290B.NOTE2: JDT fire detection in ZFSL0593B will stop 2DVL203 and Revcase of fire in ZFSL0190A to avoid hot gases to be o Therefore, the automatic starting of 2DVL003ZV shall be locked by fire detection in ZFSL0190A. By conservatism it will be also locked by fire

23、detection in ZFSL0290B.NOTE2: JDT fire detection in ZFSL0593B will stop 2DVL203 and automatically. To consider the sity to stop 201 and 202ZV also in case Der closing (fire in SFSL0390A) since no other t ventilation tvolume.Samefor101and102ZV,fireinZFSL0190Aorin6.6.3.3DesignBasisAccidentOperationisr

24、edbythefanwhichisconnectedtoemergencydieselin6.6.3.4AtmosphericsareaandchillerroomsDVLisshutLV/MV switchboard room DVL is placed on total recirculation from control (201RGor202RGsettoWithDVLontotalrecirculation,theonlysourceofcoolingisthecooling6.6.3.5LossofDELtoLV/MVswitchboardandchillersrooms,sand

25、coldThe ventilation system continues to operate hilled water. evolutionisheseareaswhereheatreleaseistheThe cooling-coils do not 6.6.3.6LossofelectricalheaterTheofeachheaterisindicatedinThecauseoftripandthefaultsareindicated6.6.3.7Ventilationfault(LV/MVswitchboardAll he DVL ventilation (including tor

26、nado ers on ition) indicatedinKICandBUP(trainAortrainThe KIC system provides data on the origin of the malfunction including the onusoftornadoThe exam nature ult is indicated locally (high recycle air temperature, fan incorrectofAue to incorrect air ositioncanbecorrectedbymanualReversupply6.7.1Losso

27、fSARinstrumentcompressedersmovetoReturnofSARinstrumentcompressedersresumetheir6.7.2LossofReversupply6.7.1LossofSARinstrumentcompressedersmovetoReturnofSARinstrumentcompressedersresumetheir6.7.2Lossof48VerFire ers can no longer be operated by remote he event of derswillclosebymeltingLocal sare Tornad

28、o er can be operated from electrical automatic control device. atic control remains usable.erNevertheless,thelocalRestorationof48VRemotecontrols are restored Local sareavailableercanbeoperatedfromelectricalautomaticcontroldevice6.7.3Lossofl10Verdthrough contactorsshutdown(i.e.Thelossofairflowcausess

29、hutdownoftheelectricalCircuitsbreakerscannotbetrippedifanexternalfaultReturnof110VerLV/MV switchboard room fans and compressor room fans restart by KIC controlsareafanscanrestartbyd 6.7.4Lossof220VForthefaultedersupply(losserFanFire fireuscannotbechangedand protectiveno longer ers can no longer be ope