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1、文件種類S Drafted Checked Reviewed Approved Modification-BCHENGGANG NUCLEARPLANT PHASE I (21000MW)DOC文件種類S Drafted Checked Reviewed Approved Modification-BCHENGGANG NUCLEARPLANT PHASE I (21000MW)DOCLNC-220V ACMANUAL CHAPTER 5 OPERATING Project文件類Sub-ItemEngineering SBA:LNC-220V AC B: C:工國家甲級 工咨甲中廣核工程設(shè)Na

2、tionalAgradeengineeringCertificationNO:CHINA ERDESIGNNationalAgradeengineeringCertificationNO:編ernalCP0905-DE-GN-is the property of CNPDC It must not be used、reproduced、transmitted or disclosed without the prior written permis of CNPDC 本文件之 屬于中廣核工程設(shè)計 。未獲本公司 ，任何人不得擅自使用、 、傳遞或 該文件。B版版日狀編Drafted校Checked

3、審Reviewed批Approved修改說Modification-AB版版日狀編Drafted校Checked審Reviewed批Approved修改說Modification-AB版CHENGGANGPLANTPHASEIB版CHENGGANGPLANTPHASEILNC-220V ERSYSTEMMANUALCHAPTER5 OPERATING PARAMETERSCHINA ERDESIGNBB文件修版日章頁修改范圍及依AB2010-2011-8-LNC-220V AC ER SUPPLY SYSTEM LNC-220V AC ER SUPPLY SYSTEM MANUAL CHAPT

4、ER 5 Rev5OPERATINGNORMALPARTICULARSTEADY STARTUPANDNORMALOTHERCONTROLLNC-220V AC ER SUPPLY SYSTEM 5B5OPERATINGLNC-220V AC ER SUPPLY SYSTEM 5B5OPERATING5.1Normal5.2Particularsteady5.3Particulartransient5.3.1LossofACchargerinputheautomaticmode,chargeroperationisasAfter loss of ACer forriod of time les

5、snaswitchsetting(3-6-12min.), the charger is automatically restored to the pre-transient operating mode i.e. float or recharge/equalize. The switch is mountedhe charger enclosure (switch set to 6 Operationwith faultemergency 380V er er id to the inverter from the charged battery withouterruptionfor

6、one hour.Operation faulty In case of loss the 110V DC voltage or anernaldefectoftheinverter,ifthebypass er is present and notolerance, theer supply is automatically providedthrough a transformowered form the sic switch circuit with 140ms delay. In case of loss the 380V AC voltage and inverter failur

7、e, the sicswitchdoesnt need change over.Inverter In case of loss the inverter not available or during maenance, theer supply is manuallyswitchedovertothe380VACswitchboardthoughamanualbypassswitch.Under normal operation, the charger fed from the emergency-d 380V AC switchboard, provides the inverter

8、and floats the battery or recharges it as neThe charger starts automatic with charger mode. The charger is operatedhe float mode and voltage is maained constanfloat voltage setting. Following, theowersthedistributionunit.Thisis shownattheDisplayOperationUnit.inverterisoperatedLNC-220V AC 5B5.4Startu

9、pandnormalUPS-systemsLNC-220V AC 5B5.4StartupandnormalUPS-systemsarestart-upfortheplanoperationandshutdownwhiletheplanisnot ForparticularoperationsoftheUPS-systems,seechapterAfter loss of ACer forriod of lime greatern the switch setting, the charger resumes operationherecharge/equalizemodeforadurati

10、ondeterminedby atimer(alsomountedinchargerenclosure) adjustablefrom0to60hours(timersetto 15 hours). The charger then switches to float service.ChargerShortcircuit erformanceandcharacteristicsarenot affectedbyashort Selective tripis provided by time-delayed magnetic releasehebattery ing breaker.Charg

11、erovercurrentprotectioncircuitryactuatesafterabout10ms. Short-circuit on the The batterying fuse trips. Short-circuitonACsideofchargerThechargerAC(380V)busbreakerisCharger TheACbusbreakers(101JA)arcautomaticallyopened.Thechargerswitchesoff Suddenvariationsorlossof110Vvoltagefor inverterDuring sodden

12、 variations inthe invertower supply voltage (from 96.3V to 121V), the instantaneous variationheswitchboardvoltagedoesnotexceed15%of 220V Should the voltage drelow 96.3V DC or rise above 121V DC the inverter will trip and a transfer to the standby supply will be initiated.Load variations on theinverterFor instantaneous variations of load rise from 0 to 100%, and return to 0, the