参考重复文件1bcfc

1、Drafted Checked Reviewed Approved Modification-BFANGCHENGGANGNUCLEARPOWER PLANT PHASE I (21000MW)文件编DOC. LNE-220VACPOWERSUPPLYSYSTEM MANUAL CHAPTER 6 CONTROL工程Project文件类Document子项Sub-Item设计阶EngineeringSBDocument A: B:C:深圳中广核工程设计有限公司 NationalAgradeengineeringCertificationNO:NationalAgradeengineeringC

2、ertificationNO:内部编码Internal CP0905-DE-GN-ThisdocumentisthepropertyofCNPDCItmustnotbeused、reproduced、transmittedordisclosedwithout the prior written permission of CNPDC 本文件之产权属于中广核工程设计有限公司。未获本公司书面文文件种类LNE-220VACLNE-220VACPOWERSUPPLYSYSTEMMANUALCHAPTER6B版本记REVISION版日状编Drafted校Checked审Reviewed批Approved

3、修改说Modification-AFirstFANGCHENGGANGNUCLEARPOWER PLANT PHASE I (21000MW)LNE-220VACPOWERSYSTEMMANUALCHAPTER6 文件修改记版日章页修改范围及AB2011-8-FirstLNE-220VACLNE-220VACPOWERSUPPLYSYSTEMMANUALCHAPTER6RevTOC o 1-3 h z u HYPERLINK l _TOC_250008 HYPERLINK l _TOC_250007 Control HYPERLINK l _TOC_250006 Logic HYPERLINK

4、 l _TOC_250005 Analog HYPERLINK l _TOC_250004 Computerizedcontrolandinformationavailabletothe HYPERLINK l _TOC_250003 Conventionalcontrol andinformationavailabletothe HYPERLINK l _TOC_250002 Operating HYPERLINK l _TOC_250001 Powersupplyfailure HYPERLINK l _TOC_250000 LNE-220VACLNE-220VACPOWERSUPPLYS

5、YSTEMMANUALCHAPTER6RevControl ManualcontrolsareprovidedforsystemThe lists of control and instrumentation components are given in the inverter and 220VAC switchboard operation and maintenance manuals.Logic SeeAnalogSeeComputerizedcontrolandinformationavailabletotheComputerizedalarm See appendix.Compu

6、terizedcontrolandinformation See appendix.ConventionalcontrolandinformationavailabletotheConventionalalarm See appendix.Conventionalcontrolandinformation Not applicable.Operating After the initial startup, no normal maneuver is required. The following are adjusted on initial startup:Groundfaultdetec

7、toralarmVoltagesensingrelayThesesystemsarenormallyalwaysinOperating Inverter Theloadisrecoveredbythe3otherinvertersforLNEIsolate the faulted inverter in compliance with the instructions given in the equipment operation and maintenance manual.Short-circuit downstreamof an outgoing Thebreakeristripped

8、afteraperiodby itsmagnetic Boltedshort-circuitonthe220VACbusbars Each inverter trips after a period.Overload downstreamof one When the output current exceeds 1.2 x In (where In is the. inverter rated current), the inverter trips after a period.Insulation Theoperatorlocatesfaultsbytheannunciatorlight

9、onthePowersupplyfailureLossof48VDCcontrolpowerPartofDCSsignalInverter-mountedand220VACswitchboard-mountedannunciatorlightoperation. Loss of 220VDC power on one inverter causes its shutdown. The load is taken by the three inverters still in operation.Lossof220VACcausesnonoperationofthegroundfaultdete

10、ctor. Upon return of 220V DC power, the inverter in question must by started up again in accordance with the instructions given in the equipment operation and maintenance Recoveryof48VDCrestoresDCSsignalinputsandannunciatorlightLNE-220VLNE-220VACPOWERSUPPLYSYSTEMMANUALCHAPTER6Rev IDXLNEVOLTAGEY-A360

11、CRLOSSR-AXLNE001DLY-A-XLNE002DLY-A-XLNE003DLY-A-XLNE004DLY-A-48VDCY-A-OUTGO.BREAKERY-A-XLNEVOLTAGEY-A-XLNEGROUNDY-A-ComputerizedcontrolandIDDisplay-48VDC-A-360CRLOSS-A-XLNE001DL-A-XLNE002DL-A-XLNE003DL-A-XLNE004DL-A-OUTGO.BREAKER-A-XLNEVOLTAGE-A-XLNEVOLTAGE-A-XLNEGROUND-A-XLNE001DL -A-XLNE001DL -A-XLNE002DL -A-XLNE002DL -A-XLNE003DL -A-XLNE003DL -A-XLNE004DL -A-XLNE004DL -A-XLNE001JAOPEN-A-XLNE001JA CLOSE -A-XLN