1、文 件 種 類版本Rev日期Date狀態S us編寫Drafted by校核Checked by審核Reviewed by批準Approved by修改說明Modification-ObservationBCFCSDM2CHENGGANG NUCLEARER PLANT PHASE I (21000MW)文件編碼 DOC. NOBLX17LBP004DEDE45GN題目 TITLE:LBP - 110V DCER SUPPLY FOR LNE INVERTER SYSTEM MANUAL CHAPTER 4 DESCRIPTION AND DEFINITION OFEQUIPMENT工程號 P

2、roject NOBL文件類型TypeGN子項號 Sub-Item NO設計階段 Engineering PhaseS參考文件編碼 ReferenceABX17LBJ004DEDE45GNRevBCategoryA: IdenticalLBP - 110V DC ER SUPPLY FOR LNE INVERTER SYSTEM MANUAL CHAPTER 4 DESCRIPTION AND DEFINITION OFEQUIPMENTB: ModifiedC: New工程設計國家甲級號：A144008121工程咨詢國家甲級 工咨甲 22420070005CNPDC中廣核工程設計Nation

3、al A grade engineering designing,Certification NO: A144008121CHINA NUCLEARER DESIGN COMPANY,(SHENZHEN)National A grade engineering consulting,Certification NO: 22420070005內部編碼ernal CodeCP0905-DE-GN-000264Thisis the property of CNPDC It must not be used、reproduced、transmitted or disclosed without the

4、 prior written permis of CNPDC 本文件之產權屬于中廣核工程設計 。未獲本公司 ，任何人不得擅自使用、 、傳遞或泄露該文件。B 版版本REVIRECORD版本Rev日期Date狀態Sus編寫Drafted by校核Checked by審核Reviewed by批準Approved by修改說明Modification-ObservationA2010-02PRE陶三強ieB 版CHENGGANG NUCLEARPLANT PHASE I (21000MW)ERLBP - 110V DCER SUPPLY FORLNE INVERTER SYSTEM MANUAL C

5、HAPTER 4 DESCRIPTION AND DEFINITION OF EQUIPMENTAPPROVEDBY:REVIEWEDBY:CHECKEDBY:DRAFTEDBY:COUNTERSIGNEDBY:CHINA NUCLEARER DESIGN COMPANY,AUGUST,2011(SHENZHEN)B 版文件修改MODIFICATION RECORD版本Rev日期Date章節ITEM頁碼PAGE修改范圍及依據MODIFICATIONAB2010-022011-8-18ieSDM21/1B 版目錄4DESCRIPTION AND DEFINITION OF EQUIPMENT14

6、.1DESCRIPTION14.2CHARACTERISTICS14.3LAYOUT71/7B版4DESCRIPTION AND DEFINITION OF EQUIPMENT4.1Description380 V ACFeederser supply: from LLD: see 9.2 (switchboard comition)Monitoring of LBPPlant Computer Information & Control Main Control RoomGrounding SystemBatteries Test Loops System: via LCB48V DC, L

7、NP 220V AC: KIC: KSC: LTR: LYS1-LYS44.2Characteristics4.2.1 BatteryThe battery is of the lead-acid type with sionaryitive tubular plates.CHARACTERISTICSEquipment cBP001BTManufacturerDongbei Storage BatteriesTypeGFDRated voltage(V)110Number of cells52Capacity C/10 (Ah)2500Recharge / EqualizePer cellB

8、atteryVoltage (V)2.33121.24.1.1 GeneralThe system comprises:Battery,Charger,Distribution switchboard wissoted outgoing anding breakers,380 V AC breakerpplying the charger.erfawith other systemsLBP system2/7B 版FloatVoltage adjustment range (V)2.23116.0DischargeBeginning of discharge (V)About 2.00Abou

9、t 104.0End of discharge (V)1.8696.7Specific gravity at end of charge at 25 withelectrolyte atum level1.26 0.014.2.2 ChargerCharger components are mourned in a cabinet air-cooled by natural convection. Current is rectified by sic bridge rectifiers which contain diodes and thyristors.er semiconductors

10、 are protected by fast-acting high-errupting capacity fuses.The charger is provided with over-current limit protection to preclude charger overheating and prevent component damage.Acsories (regulating equipment and voltage monitor) are mounted on plug-in cardswicsible maenance/measurement pos.CHARAC

11、TERISTCISEquipment codeManufacturerRated current (A)Average float voltage (V)Average recharge/equalize voltage (V)Mains inputer,max (kVA)Efficiency at recharge/equalize under full load conditions (%)er factor at recharge/equalize under full load conditionsVoltage adjustment range :001RD GUTOR 100011

12、6.0121.2157.590%0.83. floaleast 5%. recharge/equalize. manual (V)east 5%3/7B 版- Battery over-current setpoanualoperation (A)See 5.2.3- Charger over-current protection circuitrysetpo(A)10004.2.3 Distribution switchboard - circuit-breakers - instrumenion Equipment code: 001TB.Manufacturer: to be defin

13、ed. Type: to be defined.The main horizontal bus has vertical branches to the breakers.All breakers are withdrawable and can be padlockedhe withdrawnition.The batterying breaker is equipped wi2-pole magnetic release for short-circuit protection, actuated by two sts and time-delayed to provide selecti

14、ve trip.The Each chargering breaker is equipped witha 2-pole magnetic release for short-circuit protection, actuated by two sts and time-delayed to provide selective trip.A thermal release for overlorotection.Mechanical indicators are provided to indicate breakositions.Chargering breakers and 380V A

15、C bus breakers triphe event of charger failure.4.2.3.1 BusbarsCHARACTERISTCSRated voltage (V)Voltage range (V)PK-PK rippleRated insulation voltage (V)um continuous bus current (A)Rated short-circuit current (kA)11096.3-121.0Lessn or equal to 5% 500304.2.3.2 Batterying fuseCHARACTERISTCS4/7B 版4.2.3.4

16、 Outgoing breakerCHARACTERISTCSEquipment code-TypeRated voltage (V)Rated curren60C (A)Thermal release setting at 40C (A)Magnetic release setting (A)Breaking capacity (kA)Short-circuiterrupting time (ms)See 9.2(2)(1)110See 9.2(2)(1)(1)(1)8(1): Has to be checked by the manufacturer.- Equipment code003

17、JA-TypeNH4a-1000A gL/gG- Rated voltage (V)110- Rated curren60C(A)160- Breaking capacity (kA)1.25. time delay (ms)25- Short-circuiterrupting time (ms)904.2.3.3 Chargering breakersCHARACTER1STCSEquipment codeTypeRated voltage (V)Rated curren60C (A)Breaking capacity (kA)Short-circuiterrupting time (ms)

18、Tripcoiler draw under 48 V DC (W)002JA E2N/MS 1250110100025/7B 版4.2.3.6 Charger AC bus breakersCHARACTERISTICSEquipment code-TypeRated voltage (V)Rated current (A)Thermal release setting al 60C (A)Magnetic release setting (A)001JA (1)380(1)(1)(1) Has to be checked by the manufacturer.4.2.3.7 Ground

19、fauetectionSystem insulationegrity is monitored continuously. This is done by monitoring current flow betn an arbitrary poon the network and ground.When a conductor-to-ground fault occurs and current exceeds a preset value,arm is triggered.The above also provides a means of manually measurinerall in

20、sulation.Ground fauetection systemCHARACTER1STCSEquipment codeManufacturer-Type001XKXingju MZJD-6A(2): Switchboard comition.4.2.3.5 Battery discharge test breakerCHARACTERISTCS- Equipment code004JA- TypeT5N630TMA500- Rated voltage (V)110- Rated curren60C (A)630- Breaking capacity (kA)36- Short-circu

21、iterrupting time (ms)6/7B 版Rated voltage (V)Adjustable range (k ohms)Setpo(k ohms)11035/10050Faults are located using a portable signal generator (type to be defined) and a portable detector with clamp-on ammeter (type to be defined). Both these deviare shared by severaler sourystems.These deviwill

22、locate the fault with the system energized.A socket (002 PJ) is provided for connecting a mobile ground fauetector for periods when the 220 V AC supply is out of service.4.2.3.8 Voltage monitoringVoltage monitoring is achieved by a voltage sensing relay, mounted in a rack, with 2 thresholds (overvol

23、tage, undervoltage) which actuate alarm contacts which are grouped sot one alarm signal (overvoltage or undervoltage) is transmitted to the alarmprosing system.CHARACTERISTCSEquipment codeManufacturerTypeRating (V)Low voltage setting (V)High voltage setting (V)001XU ABBCM-EFS.2 11099122The low volta

24、ge setting indicatest the battery is being discharged and is capable of operating for about another half-an-hour.The high voltage setting indicates charger voltage regulator failure.4.2.3.9 Battery discharge current monitoringBattery discharge current monitoring is achieved by a currensing relay which actuatesarm contact when the battery disc