72kV电气安装施工

1、6.12电气一次设备安装 In stallati on of electric equipme nt 6.12.1 工程范围 The scope of engin eer 6.12.1.1本电站电气一次工程 engin eer of electric in the power station （1）发电机7.2kV电压配电装置安装工程； The in stallati on of 7.2KV distributi on equipme nt of gen erator （2）72kV升压变压器安装工程； The in stallati on of 72KV step-up tran sform

2、er （3）72kV GIS开关站设备安装工程； The in stallation of 72KV GIS switchyard substation （4）72kV户外出线设备安装工程； The installation of 72kv outdoor out-going equipment （5）0.4kV厂用电系统及坝区馈电设备安装工程； The in stallati on of 0.4KV equipme nt of stati on and dam district （6） 电气一次电缆工程（包括一期砼中的预埋管路）； The in stallati on of power ca

3、bles (7 )全厂照明工程; The in talltio n of light ing of power statio n (8 )全厂接地工程； The in stallati on of earth ing system of power stati on 6.12.1.2 主要工作内容 The scope of con tract 设备到货验收、保管、部分基础件和构件的制作、安装、调试、试运行、消 缺处 理直至移交给业主的全部工作，承担业主认为有必要的设备出厂检查验收 等， Take over and storage of equipment, produce of some ba

4、sement and structure, in stallati on, test ing, performa nee, han dle the defect and turn over to owner, other some in spect of ex-work equipme nt will be done . 6.12.2发电机7. 2kV电压配电装置安装 In stallati on of 7.2KV voltage distributi on equipme nt of the gen erator 6.12.2.1 主要工程量及技术参数 The tech ni cal dat

5、a and the scope of in stallati on 发电机电压设备主要包括：共箱母线、发电机出口电流互感器、发电机断路 器成套设备、隔离开关、电压互感器、避雷器、励磁回路电流互感器柜、励磁变 压器、厂用隔离变压器、厂用变压器、厂用变压器回路断路器柜、限流熔断器柜 及电流互感器柜。 The voltage equipme nt of gen erator in elude bus bar, curre nt tran sformer, generator circuit breaker, disconnect voltage transformer, lighting arres

6、tor, excitati on 发电机出口断路器成套设备 The complete equipme nt of circuit breaker of gen erator 型号：type KYN28-7.2 额定电压： rated voltage 7.2kV 额定电流： rated current 1250A 额定频率：rated freqence 50Hz 额定开断电流：rated breaking capicity 25kA 数量：number 2台（套） 6.1222 The in stallati on pla n of voltage equipme nt of gegerator

7、 to be see n next Clear, adjust, testing of bus bar 6.12.2.3 施工场地布置 The layout of in stallati on site 主回路、分支回路封闭母线及设备运抵安装区后，其开箱、检查、清点验收 以及逐段清扫、调整、分段交流耐压和各段母线附件安装等项工作，均在相应机 组段母线及设备安装层地面进行，地面要求干燥、清洁，并铺垫橡皮或枕木。 Main circuit and branch bus bar will be in spected, the n cleared, adjusted, tested, and the

8、some part will be in stalled, these work will be done in the place where the mai n equipme nt will be in stalled. the place will be clear, dry, and have rubber or crosstie 6.12.2.4 发电电压设备及母线安装主要施工方案 The main plan of installation of voltage equipment and bus bar of generator. （1）基础埋件制作及安装 The install

9、ation and produce of embedded part 按图纸要求制作基础埋件，在不影响土建砼浇筑施工为原则下，随土建施工 进度按设计图纸要求进行基础埋件的予埋。 Produce the part according to the drawing, with the civil developing, install the embedded part. （2）基础埋件处理及测量放点 Process of base embedded part and measure mark （3 ）设备基础及母线基础构架安装 Installation of foundation of equi

10、pment and bus bar （4）发电电压设备及其母线的现场转运和吊装就位 Transport and hoisting of voltage equipment and busbar （5 ）母线的安装调整 Installation and adjust of busbar (6)母线安装完毕进行全面彻底的清扫、检查，在与电气设备连接前按规 定要求进行电气检验及整体工频交流耐压试验。 After finishing the installation of busbar, clear check everywhere then testi ng the power freque nee

11、 voltage. （7）发电电压设备安装 In stallati on of voltage equipme nt after finish in spect, clear site,check the list,civil work is fini shed. （8）按设计图进行接地。 Earth the equipme nt accordi ng the draw ing 6.12.2.5 发电电压设备及其母线现场检查试验与验收 Accordi ng to the IEC and the Chi na n atio nal sta ndard, check the voltage equ

12、ipment and bus bar in the site. 6.12.2.6 安全措施 Hoist ing by professi onal worker, work ing with safety cap , and have fire fighting equipment. 6.12.2.7 主要施工工机具 Important installing tool NO. name Describe unit quntity notemark 1 Wedding machine 2 2 forklift 2.5ton 2 3 Water level S3 1 4 Nylon hanging

13、strip 2ton Double 10 5 Torque spanner 0 100Nm pieces 4 6 Leading chain 1 2ton 20 7 Electric drill 1 8 cleaner 1 9 Steelwire with nylon sheath 1ton 30 10 Oxygen,ethine 1 11 car 8ton 1 12 crane 8ton 1 6.12.2.8 Material NO. name Describe unit quntity notemark 1 Steel t 1.5 2 Steel plate S =10- 16mm t 2

14、 3 Wooden plate S =2040mm m3 0.5 6.12.3 72kV升压变压器安装 The in stallati on of 72KV step p tran sformer 6.12.3.1技术参数。 Tech ni cal data and engin eer 72kV升压变压器安装工程包括升压变压器、中性点设备及控制柜。升压变 压器低压侧采用共箱母线和发电机电压配电装置相连接，变压器高压侧与GIS 连接采用管道母线。该电站电气设备最大运输重量为主变压器，主变压器充氮最 大运输重量约t The engin eer of in stallati onof mai n t

15、ran sformer in elude step-up tran sformer , n eutural equipme nt and eon trol pan el. type： SF10-4500/69 Rate capicity: 4500kVA Rated voltage： 69i2X2.5%/6.6kV Number of phase: 3 Winding type : YN , dll The type of change voltage： No load tap changer in HV Rated frequence： 50Hz Impedance voltage： 13

16、% cooling : ODWF number： 2 6.12.3.2 In stallation 6.12.3.4 施工布置 Prepare for in stallati on ,in elude embedded the hook, prepare two oil tank, pipe, vacuum filter, vacuum pump etc 6.1235 主变安装就位 Main transformer located in the site according drawing 6.12.3.6 安装方案 The plan of installation of transforme

17、r (1) 主变安装前的保管 Storge before installation of transformer according to manufacture rule and standard. (2) 主变及配电装置安装 Installation of transformer and distribution equipment, charge oil, assemble the pipeline, installation of High voltage and Low voltage bushing, reservoir etc. 6.12.3.7 Inspection and a

18、cceptance 主变及中性点设备的试验将按厂家说明书和中国现行的国家标准的有关方 法和要求进行验收。Accepta nt test will be done accord ing to manu facture and standard (IEC or national standard) 6.12.3.7 In stalli ng equipme nt and special tool NO. name Describe unit quntity notemark 1 Oil tank 10m3 piecess 2 2 Vacuum filter 6000L/H unit 1 3 Vac

19、uum pump 50L/s unit 1 4 stainless steel ball valve 50 pieces 10 5 stainless steel pipe 50 m 90 6 Welding machine 400A unit 1 7 dry air producer Dew point -40 C set 1 8 Vacuum meter pieces 2 9 Oil testing equipment set 1 10 Crane, transport equipment jack、roller wheel 等 set 1 11 Water level meter、 th

20、eodolite set 1+1 12 Grinding wheel saw 400 unit 1 13 driller unit 1 14 tractor 5t unit 1 15 Soft pipe 50 PVC m 100 6.12.3.9 Main material 序号 名称 规格 单位 数量 备注 1 Angle steel z40 X4mm m 60 2 Steel plate S =8mm m2 2 3 Wood plate 20 X300 X600mm pieces 8 4 Steel pipe =50mm m 80 5 Steel pipe clip =50mm set 2

21、5 6 crossite pieces 8 7 rubber S =8mm wide 1m m 10 6.12.4 72kV GIS 开关站设备安装安装 72KV GIS equipment installation 6.12.4.1 主要工程量及设备参数 in truduce and data of substation 72kV GIS开关站布置在厂房右侧滩地上，高程为 132.00m，主接线采用一 机一变单母线接线方式，72KV GIS switchyard located in right place of power house, high level 132m, one gener

22、ator with one transformer,single bus bar. GIS户内开关站主要参数 GIS in door substation data current: 1250A Frequnce : 50Hz breaking current: 25kA short circuit closing current : kA peak withstand current: kA lightning impulse voltage （ peak）： kV Frequnce withstand voltage （ RMS）： kV out going bar: 2 Incoming

23、 bar: 2 PT bar: 0 6.12.4.2 the plan ofin stallation 6.12.4.3 72kV GIS equipme nt in stallatio n （1） GIS设备用汽车运到GIS室，用25T汽车吊将GIS设备吊到设备安 装高程后再转运到 GIS设备的安装部位。Equipment of GIS transport to the site （2）located to place of draw ing with the crane 。 （3）mark the foundation （4）设备基础埋设及接地安装。 Erath and install t

24、he equipment foundation part （5）hoist and connect (6) 管道、阀门、仪表配装及调整。Pipe , valve, i nstrume nt in stall (7) 设备抽真空与充 SF6 气体。Vacuumize and charge SF6gas 6.12.4.4 检查验收项目 check and accepta nee accordi ng to manual and sta ndard 6.12.4.5 special tool for the in stallation 序号 名称 规格 单位 数量 备注 1 Vacuum pump

25、30L/s Unit 1 2 SF6gas leak detector Unit 1 3 SF6Charge equipment Unit 1 4 theodolite J2 Unit 1 5 Water level meter DS3 Unit 1 6 cleaner 1000W Unit 2 7 Weldding machine 400A Unit 1 8 jack 2t、3t Unit 各2 9 Manual lift 2t、3t Unit 各2 10 Grinding wheel saw Unit 1 11 Power panel pieces 2 12 Long wire switc

26、h box pieces 2 13 Torque spanner set 2 6.12.4.6 material 序号 名称 规 格 单位 数量 备注 1 alcohol Content 98.9% box 1 序号 名称 规 格 单位 数量 备注 2 White cotton strip wide10mm roll 10 3 Clear papper box 1 4 Plastic film wide1000mm roll 2 5 White cloth with1000mm m 10 6.12.5 72kV 户外出线设备安装 out door out goi ng equipme nt i

27、n stallatio n 6.12.5.1 72kV出线从GIS采用管道母线引出，经72kV电缆廊道引至户外出线平台 架空出线。72KV out going bus pipe from GIS through 72KV cable gallery to the out door out going structure with over head wire 6.12.5.2 plan of installation 6.12.5.3 in stall method (1) 设备基础安装 the foun datio n of equipme nt in stall (2) 设备基础支架制作及

28、安装 the structure produce and isntall (3) 设备安装 in stallatio n of equipme nt in cludeequipme nt lift, CT in stall, LA in stall, the li ne trap in stall, in stallati on of over head con ductor 6.12.5.5 检查验收项目 the item of check and accptanee (1) 电容式电压互感器检查试验项目the capicity transformer testing include mea

29、sure insulating resitance,AC withstanding voltage test,measure tg S etc. (2) 氧化锌(ZnO)避雷器试验项目 ZnO arrestor testing include measure insulating resistance,measure current in the performing,measure frequnce voltage or DC voltage etc. 6.12.5.6 special tool 序号 名称 规格 单位 数量 备注 1 Grinding wheel cutter 如00 un

30、it 1 2 windlass 3t unit 1 3 ladder 8m set 2 4 car 12m unit 1 5 Crane 16t unit 1 6.12.5.7 material 序号 名称 规 格 单位 数量 备注 1 alcohol content98.9% box 1 2 White cotton strip Wide 10mm roll 10 3 Clear papper box 1 4 Plastic film Wide 1000mm roll 2 5 White cloth Wide 1000mm m 10 6 Wood plate S =10mm 2 m 2 7

31、Steel pipe 50 m 100 8 Steel pipe clip 50 set 20 9 rubber 1000 8m m 20 6.12.6 0.4kV厂用电系统及坝顶用电系统设备安装istallation of 0.4KV stati on power system and dam top power system 6.12.6.1 station power system include 0.4KV station powersystem with power panel which is draweri ng. dam district power system 6.12.6

32、.2 the plan of in stallatio n 盘柜：基础槽钢安装-二期砼浇筑一设备清点交接一运输一设备检查一盘柜 安装接地引线连接 检查调试带电试运行 验收。Pane: base channel steel install,concretecast, check and turn over,transport,install,connect earth ing wire, check andadjust commissi onin g,accepta nee 动力配电箱：设备清点交接一运输一安装一接地引线一电缆连接一绝缘电阻 测量 f 带 电 试运行验收。Power distri

33、bution box:equipment check, transport,install, connect earthing wire, connect cable, measure insulating resistence, commissioning, acceptance. 干式变压器：基础槽钢安装二期砼设备清点交接运输就位调整附 件安装及接地引线连接 清扫检查 电气试验 带电试运行 验收。Dry transformer:base channel steel install, concrete cast, equipment check,transport, adjust, conn

34、ect earthing wire, clear and check, test, commissioning,acceptance 6.1263施工技术措施 in stall method Install according to IEC standard , China national standard, manufacture manual. 6.12.6.4 现场试验与验收 the test in the site and acceptanee (1) the test will be done according to the IEC, China Standard and the

35、 manu facture manu al. (2 )现场验收 the acceptanee in the site 按照制造厂的安装说明书及 GBJ147电气装置安装工程高压电气施工及验 收规范、GBJ148电气装置安装工程电力变压器、油浸电抗器、互感器施工 及验收规范、GBJ149电气装置安装工程母线装置施工及验收规范、GB50150 电气装置安装工程电气设备交接试验标准、GB50169电气装置安装工程接 地装置施工及验收规范、GB50171电气装置安装工程盘、柜及二次回路结线 施工及验收规范的要求准备安装和检查、试验记录。According to the manual of manufa

36、cture and China national standard(GBj148,GBj147,GBJ149etc), check thestallation and record of test 6.12.6.5 主要施工设备及专用工具 special tool 序号 名称 规格 单位 数量 备注 1 theodolite J2 unit 1 2 ater level meter DS3 un it 1 3 cleaner 1000W un it 2 4 Weldding machine 400A un it 1 5 jack 2t、3t un it 1+1 6 Manual lift 2t

37、、3t un it 1+1 7 Grinding wheel saw un it 1 8 ladder 8m pieces 2 9 Traveling crane 16t set 1 6.12.7 电气一次电缆 power cable 6.12.7.1 in troduce and tech ni cal data 电气一次部分电缆敷设工程包括主厂房、72kV主变及72kV开关站、72kV 出线平台等地的电缆桥架安装、电缆敷设安装、一期混凝土中的预埋管路、二期 混凝土内的电缆管埋设和预埋件埋设。 电缆敷设以沿电缆桥架、电缆沟、电缆出 线洞明敷为主，配合以穿管明敷和穿管暗敷，电缆敷设长度以施工图

38、为准。电力 电缆按电压等级分为35kV、10kV和1kV三种，35kV及10kV采用交联聚乙烯 绝缘电缆，1kV采用聚氯乙烯绝缘电缆，所有电缆全部采用阻燃电缆 Power cable engin eer in elude power house, 72KV main tran sformer, substati on, 72KV out going structure bay, cable tray in stall,cable lay out, cable pipe, embedded part.cable length is according to the drawing.power c

39、able have 35KV,10KV, 1KV voltage ,35KV and 10KV cable is XLPE in sulated, 1KV cable is PVC insulated. 6.12.7.2 电缆桥架安装 in stallatio n of cable tray 电缆桥架清点交接运输清理预埋件放点焊立柱上支臂安装桥 架接地。 Cable tray check, transport,embedded part, mark, weldding pole,install tray, grounding. 6.12.7.3 Power cable in stall acc

40、ord ing to the manual of manu facture and IEC or the China standard. 6.12.7.4 the test and accepta nee in the site will be done accord ing to the manual of manufacture and IEC or the China standard GB 50168 and GB50169 ,GB50150-9. 6.12.7.5 special tool 序号 名称 规格 单位 数量 备注 1 Weldding machine 400A unit

41、2 2 Cable lay machine set 1 3 Grinding wheel saw 300 unit 1 4 Grill gun Spray type unit 2 5 Electric hammer pieces 1 6 Handy driller 16mm pieces 1 7 Electric tool set 1 8 Cable testing equipment set 1 6.12.8 照明系统设备安装 in stallatio n of lighti ng system 6.12.8.1 in troduce and tech ni cal data 本工程包括全电

42、站的照明系统、配线管路及二期混凝土内预埋件的埋设等。 全厂工作照明采用交流380/220V电压、中性点直接接地的三相四线制系统，灯 具电压220V。事故照明采用直流220V。主要有：厂房内屋内照明（含荧光灯、 应急照明灯和指示灯）；进水口照明（含荧光灯、应急照明灯和指示灯）屋外泛 光灯12盏（配不锈钢支架）；屋外庭园灯20盏（配支架2.5m）； lighting system include all power station lighting system, wire pipe, embedded part in concrete etc. lighting system is AC 380

43、/220 Voltage ,neutral direct grounding,three phase four wire,lighting voltage is AC 220V, emergency lighting is DC 220V. it is power house light in g, in take lighti ng, out door light ing etc. 6.12.8.2 The plan of lighti ng system In stallation 6.12.8.3 in stall method whe n the lighti ng system in

44、 stall ,it can be take n use of power house bridge crane and other ladder,i n the outdoor,use the mobile cran e.road light ing equipme nt can in stall after testi ng the n lift and fix o 6.12.8.4 技术要求 installationshall be according to manual of manu facture and IEC or Chi na sta ndard. 6.12.8.5 现场试验

45、与验收 the test and acceptanee in the site is according to the manual of manufacture and IEC or China standard GB50159 6.12.8.6 special tool 序号 名称 规格 单位 数量 备注 1 Weldding machine Dx7-400 unit 1 2 Grinding wheel saw 300 unit 1 3 Impact electric driller pieces 2 4 Electric hammer pieces 2 5 Handy electric

46、 driller 16mm pieces 1 6 Ladder with two leg 3m、5m pieces 5 7 ladder 3m、5m piecess 4 6.12.9 全厂接地工程 earthing system of power station 6.12.9.1 主要工程量和技术参数 introduce andtechnical data To conform the engin eer success ,should measure the earth resiste nee, accord ing to the Chi na sta ndard SBGJ81.power

47、statio n should take adva ntage of nature grounding wire, put the earthing wire in the power house, 72KV substation, and other necessary place.in thepower house , 72KV substation provide the earthing pole, ensure the earthing resistenee value is less than 0.5 Q The dam district has in depe ndent ear

48、thi ng system. Main material : (1) soft copper wire , 35mm2-95mm2，800m。 (2) earthing pole , copper pole with shield steel L=3000mm 60 pieces 。 Paint, mark 6.12.9.2 earth ing in stall plan 6.12.9.3 in stall method Accordi ng to the manual of manu facture and IEC or Chi na sta ndard 6.12.9.4 检查与验收 che

49、ck and acceptanee according to the manual of manufacture and IEC or China standard GB50169-92, the earthing resistence of measure should be less tha n the desig n value. 6.12.9.5 special tool 序号 名 称 规格 单位 数量 备注 1 Weldding machine 400A unit 2 2 Grinding wheel saw 电300 unit 1 6.13 the in stallati on o

50、f con trol and protecti on equipme nt 6.13.1 engin eer in troduce of con trol and protectio n system NO. name type unit Quantity 1 计算机监控系统control system 1.1 operating station set 2 NO. name type unit Quantity 1.2 Communacation station set 1 1.3 Power houseLCU set 2 1.4 Common LCU set 1 1.5 Upper sta

51、tion UPS set 2 1.6 Ethernet Optical fiber set 1 1.7 GPS clock system set 1 1.8 Software set 1 1.9 printer unit 2 1.1 spare set 1 2 Protection system set 2.1 Ganerator and transformer protection panel computer set 2 2.2 72Kvline protection With digital distance protection set 1 2.3 6.6kVvoltage prote

52、ction equipment set 1 2.4 substationTerminal box XW-2 set 3 3 Generator excitation system set 2 4 Measure panel set 4.1 Grid measure panel 0.2S meter 2pieces set 1 4.2 Station measure panel 0.5 set 5 5 DC system 5.1 220Vcharge panel set 1 5.2 220VDC feeder panel set 1 5.3 220Vlead acid maintainless

53、battery set 1 5.4 Battery panel set 2 6 Communication system set 1 7 PLC set 1 8 Test equipment set 1 9 cable km 22 10 Optical cable km 4 6.13.2 计算机监控系统 the computer control system 6.13.2.1 安装程序 the pla n of in stallatio n of thecntrol system in elude power house con trol system and substati on con

54、trol system 计算机监控系统包括电站计算机监控系统和辛迪值守站计算机监控系统两 部分。 6.13.2.2 in stall method In stallati on accord ing to the manufacture manual,and IEC or China sta ndard, the desig n draw ing with detail in stall pla n, the site should be clear.earthing system should be solid.all wire should be marked and in order.t

55、he cable should not have joint betwee n pan el. 6.12.2.3 调整试验 adjusting and testing First check the wire conn ect, the n check module , testi ng every fun ctio n step by step,check the module with con trol equipme nt, test system. 6.13.3 继电保护 protection in stall 6.13.3.1 the pla n of protectio n in stallatio n Part testing 6.13.3.2 安装技术措施 i