讲义课件讲稿1

1、文件种类S Drafted Checked Reviewed Approved Modification-ACHENGGANG NUCLEARPHASE (21000MW) PROJECT文件编文件种类S Drafted Checked Reviewed Approved Modification-ACHENGGANG NUCLEARPHASE (21000MW) PROJECT文件编DOC. 48VLCA4LCA -48V DCER SUPPLY SYSTEM MANUALCHAPTER4DESCRIPTIONANDDEFINITIONOF工程Project文件类子项Sub-Item设计阶E

2、ngineeringCA:LCA/LCB -48V DC B:C:工国家甲级 工咨甲中广核工程设NationalAgradeengineeringCertificationNO:CHINA ERDESIGNNationalAgradeengineeringCertificationNO:编ernalis the property of CNPDC It must not be used、reproduced、transmitted or disclosed without the prior written permis of CNPDC 本文件之 属于中广核工程设计 。未获本公司 ，任何人不

3、得擅自使用、 、传递或 该文件。LCA -48V DCER SUPPLY SYSTEM MANUAL CHAPTER 4 DESCRIPTION AND DEFINITION OF EQUIPMENTRev版版日状编Drafted校Checked审Reviewed批Approved修改说Modification-LCA -48V DCER SUPPLY SYSTEM MANUAL CHAPTER 4 DESCRIPTION AND DEFINITION OF EQUIPMENTRev版版日状编Drafted校Checked审Reviewed批Approved修改说Modification-LC

4、A -48V DCER SUPPLY SYSTEM MANUAL CHAPTER 4 DESCRIPTION AND DEFINITION OF EQUIPMENTRev文件修LCA -48V DCER SUPPLY SYSTEM MANUAL CHAPTER 4 DESCRIPTION AND DEFINITION OF EQUIPMENTRev文件修A2010-2-LCA -48V DCER SUPPLY SYSTEM MANUAL CHAPTER 4 DESCRIPTION AND DEFINITION OF EQUIPMENTRev4DESCRIPTIONLCA -48V DCER S

5、UPPLY SYSTEM MANUAL CHAPTER 4 DESCRIPTION AND DEFINITION OF EQUIPMENTRev4DESCRIPTIONANDDEFINITIONOFLCA -48V ER SUPPLY SYSTEM MANUAL CHAPTER Rev 4DESCRIPTIONANDLCA -48V ER SUPPLY SYSTEM MANUAL CHAPTER Rev 4DESCRIPTIONANDDEFINITIONOF4.2 4.1.1 ThesystemDistributionswitchboardtedoutgoing ing380VACpplyin

6、g the with other LCA 4.2.1 Thebatteryisofthelead-acidtypewithitivetubularEquipmentRated NumberofCapacity C/10 Recharge/VoltagePer2.33 53.6 380Ver : fromLKE and :see9.2(switchboardMonitoring of LCA:viaLNE220VAC,48VDC Plant Computer Information & Control: KICMainControl:Grounding:BatteriesTestLoops:LY

7、S1-LCA -48V ER SUPPLY SYSTEM MANUAL CHAPTER Rev LCA -48V ER SUPPLY SYSTEM MANUAL CHAPTER Rev Voltage2.23 51.3 Beginningofdischarge(V) End of discharge (V)AboutAbout42.8 Specificgravityatend ofchargeat 25electrolyte um 1.26 (1)Hastobecheckedbythe4.2.2 Charger components are mourned in a cabinet air-c

8、ooled by natural convection. Current is rectified by sicbridgerectifierswhichcontaindiodesandthyristors.ersemiconductorsareprotectedbyfast-actingerruptingcapacityThechargerisprovidedwithover-currentlimitprotectiontoprecludecharger overheating and prevent component damage.sories(regulatingequipmentan

9、dvoltagemonitor)aremountedonplug-insible enance/measurementEquipmentRatedcurrentAveragefloatvoltageAveragerecharge/equalizevoltageer inpurecharge/equalizeunder full load conditions (kW)Efficiencyatrecharge/equalizeunderfull load conditions (%)erfactoratrecharge/equalizeunder full load conditionsVolt

10、ageadjustmentrange51.3 53.6 .least LCA -48V ER SUPPLY SYSTEM MANUAL CHAPTER Rev LCA -48V ER SUPPLY SYSTEM MANUAL CHAPTER Rev . .manual- Battery over-current setpooperation (A)eastSee-Chargerover-currentprotection: The setpoindicated corresponds to a preliminary setting in factory. Its final value de

11、pends on the voltage drnthechargerandthebatteryduringoperationinfloat mode. This setting is to be adjusted on site to obtain about 51.3V (2.23V x 23 cells) at battery terminals. It must not exceed 54V.: The setpoindicated corresponds to a preliminary setting in factory. Its final value depends on th

12、e voltage drn the charger and the battery during operation in recharge/equalizemode.Thissettingisto beadjustedonsitetoobtainabout53.6(2.33V x 23 cells) at battery terminals. It must not exceed 54V.4.2.3 Distribution switchboard - circuit-breakers - instrumenEquipment code: 001TB.Manufacturer:tobedef

13、ined. Type: to be defined.ThemainhorizontalbushasverticalbranchestotheAllbreakersarewithdrawableandcanbeheThe batterying breaker is equipped wi2-polemagneticreleaseforshort-circuit protection, actuated by two sts and time-delayed to provide selective tripEach ingbreaker isequipped a 2-pole magnetic

14、release for short-circuit protection, actuated by two stsand time-delayed to provide selective tripAthermalreleaseforMechanicalindicatorsareprovidedtoindicateingbreakersand380VACbusbreakersheeventofcharger4.2.3.1 -RatedvoltageLCA -48V ER SUPPLY SYSTEM MANUAL CHAPTER Rev LCA -48V ER SUPPLY SYSTEM MAN

15、UAL CHAPTER Rev VoltagerangePK-PKRatedinsulationvoltageumcontinuousbuscurrentRatedshort-circuitcurrent39-norequalto3% 4.2.3.2 ing Equipment-RatedvoltageRatedBreakingcapacityThermalMagnetic.timedelay . current setting . range of Rated current of stsat60C(1per Short-erruptingtime4.2.3.3 ing EquipmentR

16、atedvoltageRated60C003 & LCA -48V ER SUPPLY SYSTEM MANUAL CHAPTER Rev BreakingcapacityThermal-LCA -48V ER SUPPLY SYSTEM MANUAL CHAPTER Rev BreakingcapacityThermal-Magnetic.timedelay . current setting . Range of *mini*maxi-Ratedcurrentoftsat 60(1-Short-erruptingtime-erdrawunder48V4.2.3.4 Outgoing Equ

17、ipment-RatedvoltageRated60CThermalreleasesettingat40CMagneticreleasesettingBreakingcapacityShort-erruptingtimeSeeSee8:Switchboard:Hastobecheckedbythe4.2.3.5BatterydischargetestLCA -48V ER SUPPLY SYSTEM MANUAL CHAPTER RevLCA -48V ER SUPPLY SYSTEM MANUAL CHAPTER Rev EquipmentRatedvoltageRated60CBreaki

18、ngcapacityThermal. current setting at 40Magnetic. current setting . range of *mini*maxi-Short-erruptingtime4.2.3.6ChargerACbusEquipment-RatedvoltageRatedcurrentThermalreleasesettingal60CMagneticreleasesetting(1)Hastobecheckedbythe4.2.3.7 Ground System insulationegrityismonitoredcontinuously.Thisisdo

19、nebymonitoringcurrent flow betn an arbitrary poon the network and ground.When a conductor-to-ground fault occurs and current exceeds a preset value,armis The above also provides a means of manually measurinerall insulationFor LCA system, two other alarm contacts are actuated in case of:insulationfau

20、lttednotherDCorACvoltageLCA -48V ER SUPPLY SYSTEM MANUAL CHAPTER Rev LCA -48V ER SUPPLY SYSTEM MANUAL CHAPTER Rev LCAGroundetectionEquipment-RatedvoltageAdjustablerange(k(kFaults are located using a portable signal generator (type to be defined) and a portable detector with cl-on ammeter (type to be

21、 defined). Both these deviaresharedby er sourThesewilllocatethefaultwiththesystemA socket (002 PJ) is provided for connecting a mobile ground fauetectorforperiods when the 220 V AC supply is out of service.4.2.3.8 Voltage Voltage monitoring is achieved by a voltage sensing relay, mounted in a rack,

22、with 2 thresholds(overvoltage,undervoltage)whichactuatealarmcontactswhicharegrouped t one alarm signal (overvoltage or undervoltage) is transmitted to the alarmsingEquipmentRatingLowvoltagesettingHighvoltagesetting(1)HastobeconfirmedbyThe low voltage setting indicatestthebatteryisbeingdischargedandiscapableof operating for about another half-an-hour.The high voltage setting indicates chargervoltageregulator LCA -48V ER SUPPLY SYSTEM MANUAL CHAPTE