移动互联网产业园项目临时用电施工方案培训资料

1、星火智谷移动互联网产业园项目临时用电施工方案编制人:审核人: 审批人:编制单位：江苏南通三建集团股份有限公司 编制日期：年 月 日目录第一章、编制依据及工程概况 11. 编制依据 12. 工程简介 13. 工程概况 1第二章、配电系统及计算书 21. 配电系统 22. 临时用电计算书 3第三章、临时用电安全措施 271. 组织机构 272. 防雷与接地装置设计及用电安全技术措施 283. 电气火灾预防及扑灭措施 32第四章、现场平面布置图、配电系统图 331. 现场平面布置图 332. 配电系统图 34第一章、编制依据及工程概况1. 编制依据1.1 建设单位及设计提供的施工图纸以及其它相关资料

2、；1.2 现行国家及地方施工技术规范、规程；1.3 施工现场临时用电安全技术规范 JGJ46-20051.4 低压配电设计规范 GB50054-20111.5 建筑工程施工现场供电安全规范 GB50194-20141.6 工业与民用配电设计手册第三版1.7 建筑施工安全检查标准 JGJ59-20111.8 广联达施工安全设施计算软件；2. 工程简介工程名称：星火智谷移动互联网产业园二期工程 建设单位：南京互信互通科技有限公司 设计单位：南京城镇建筑设计咨询有限公司 监理单位：南京腾江工程建设监理有限责任公司 施工单位：江苏南通三建集团有限公司 工程地址：南京市浦口区星火路东侧，东南大学成贤学院

3、西侧，地铁 3 号线星火路站以南、东大路以北。3. 工程概况3.1本项目由地下汽车车库、局部地下自行车停车库，上部 C1#C4# C5#楼共计5幢楼组成。主体 C1#C4为框架结构，C1C4#6层，结构总高度23.35米；主体C5#为框剪结构，C5#15层，结构总高度59.85米；地下室两层，其中地下一 层层高 4.7-6.5 米，地下二层层高 3.7 米，地下室顶板覆土高度 0.81.0 米。3.2 建筑结构设计使用年限为 50 年；地下室防水等级二级，种植顶板防水等级 一级，变电所、配电房防水等级一级，抗震设防烈度七度，防护等级二等人员掩 蔽工程，防核武器等级为六级；C1C4楼为多层办公楼

4、，结构安全等级二级，地 上耐火等级二级，地下耐火等级一级，抗震设防烈度七度；C5#楼为一类高层办公楼，结构安全等级二级，地上耐火等级一级，地下耐火等级一级，抗震设防烈 度七度。第二章、配电系统及计算书1. 配电系统1.1 本工程用电主要负荷为施工现场照明、机械设备及钢筋、木工加工车间，办 公室及生活区用电。1.2 现场用电均从由建设单位提供的低压配电房 109-3 柜引出（断路器容量 800A， 电流互感器变比800: 5）； 一级配电房设置在二期 C5东北角，内设两台配电柜 （一台用于生活区供电， 一台用于施工区域供电） 导线截面和电箱选用见施工用 电系统图。1.3 采用三相五线制，所有室外

5、固定的用电设备及电箱设专门接地装置。1.4 室外电缆延墙、路边采用埋地敷设，过施工便道处穿过预留槽口；多股五芯 电缆分别接进临时办公楼、宿舍、 和食堂或施工总电箱；现场用电线路均采用电 缆沿外围墙及基坑四周暗敷设， 楼层用电线路采用托吊方式。 进入室内装修施工 阶段，将楼层用电回路的线缆引入楼内，每 3层设一台二级配电箱，并且首、顶 层必须设楼层用电箱，便于楼内施工用电。1.5 在变压器控制开关上引出电源，通过总配电箱后用主干线电缆送出。总箱配 出线采用放射式和树干式相结合的配电方式RCD1 L专用变压器供电时接零保护系统示意I工作接地* 2-PEtt*M«4i；壳（正常不带电的外霭

6、可导皑部分打J. Lq、L»相妊* W丄作#垛$ PE保护零JSt DK&HLWW离开*u讯：0总Si电保护器路*过载.渦电保护功犹的薦电断路器hT变珏器三级配电示意图如下:总配电箱分配电箱开关箱2临时用电计算书2.1参数设置1、总箱参数用电接驳方式由变压器接入总配电箱编号总箱A总配电箱距接驳点布线距离 Lo(m)5总配电箱的同期使用系数Kx0.8分配电箱数量2导线线芯材料铜线总配电箱进线敷设方式空气明敷/架空线路分配电箱进线敷设方式空气明敷/架空线路设备电线敷设方式空气明敷/架空线路干线允许电压降%52、分箱参数分配笔箱扁号同期厘用系数Kx(m)功蠢因斷吨分樂到总笔布麟斋L

7、(m)笊B16807550俪20.8075503、用电设备1卿1isasiinQT2A3C32.82070.650.40-252jBlSCD200 U)2220.30.60,4043测1JD2007,510.750,850,4044IfASSMZX250.82030,70.4045oomGT4/14410.650,70,4046駅删断机QJ32-1310.&50,70,4047駆贖蝴GW40310.650,70.4048测16X3 120*1910.50,40,519河1电菇琥机BMfflL51010.450,40410俪1木工圆镭MJ104320.650.60.40411jBl真空嗷

8、煤HZX-40420.750.80,40412河1高®WT120,60,70,40413海赠灯0.5100.60.60414倾1谨丝胡管机TQ-3110.2"50,40415QTZ4027.51070,650,40,2516载趣JH57.540.306射0417目弑JD1505占20.750.350.40418插励觀ZX250,820J0,70,40419GT4/14斗10.650.7射0420机QJ40710.650,70421钢購底机GW40310.650,70,404226X3-120-1910.50.40,5123木工圆锯MJ104320.650.60424頁空吸姫

9、HZX-40420.750,&0,40425高SWT110.60.70,40426籍灯0.510060.60.4044、临电设备计算计算宅流（心进觀设方式熔皆壽唐路器漏电恳护器1总箱A31471YJV22-0.6/lkV-3x 120+2x70HR5-63O/315DZ20L-630/3152285.15YjV-0.6/lkV*3x95 + 2x50HR 5*400/300不设聲嶺.断將器DZ20L-630/J153135.77直接埋越¥JV-Dr6/lkVx25+5xl6HR3 400/150不隨峯克、断路器DZL2500/1504远廨机3143W22-3xl0+lx6HR

10、6-16O/35不彊哲坯浙瞬3KM1L-63/405目寥鞠土mi10.05直擦鼬W22-3xWflK6HH3O/15A'.vBCrH尸桑器DZ15LE-63/E6臥册动器1.04W22-3xl0+lx6HR5-1OO/4AiSSSO.瞬器DZ15LE-4O/67锯鱷直机5.64直接埋堆W22-3X10+1W6HR6-160/6不设劭瞬、断路器DZ15LE-4O/68髓切断机423直接埋坦W22*3xl0+lx6HR6-160/5不役置誓誓器，新路器DZ15LE-40/69聞弯曲机423W22-3xl0+lx6HR6-160/5不设詐緒難器DZ15L£-40/61012-09証

11、埋坨W223m10+1x6HHM5/15不设置电彪、断路器DZ15LE-63/1511电咖细0,51亘接埋坦W22-3xl0+lx6HR5-100/4殳圍諸器*肝路器DZ15LE-40/6129.88W22n1O+1x6HR5-1Q0/10而晦期断蹈器DZ15LE-63/1O13頁空喊K泵11.40直接坦竝W22-3m10+1x6HH3-15/15不磐當晋器、新路器DZ15LE3/1514高压敝2,60W22610+l 疣HR5-100/4丙迪£璃眇瞬DZ15LE-40/615耀灯7.60W22*3xl0+l>6HR5400/10不设劭礙瞬器DZ15LE *63/1015匙切前

12、0.47直接埋堆W22-3xl0+lx6HR5-1OO/4不设聲班i断路器DZ15L£O/617分021SOS3直接冬妁¥JV22-0.6/lkV-3 « 50+1x25HH4-300/200兀设置塩普器、斷路器DZ20L-2 50/2001856.92直接馳W22-3MWflx6HR3*100/60不设匡珞亙it.新路弱DZ47LE *60/60的糅2179o©tsW22-3xl0+lx6HR6-16O/25兀设霽緒、断路器3KM1L-63/2520esssfcumi1475W22-3X10+1X6HHM5/15不设器岛、断路器DZ15LE-63/15

13、21插AS加瞬1.04直接埋乜W22*3x10+1x6HR5400/4DZ15LE-40/622窗韻机5.64W22-3xl0+lx6HR6-160/6不设詐擁断路器D715L£-40/623器删断机9.38直接埋堆W22m10+1x6HR5-100/10不缰喀玮、断路器DZ15LE-63/1O24祝筋弯曲机423直接埋坦W22-3xl0+lx6HR6-160/67：i殳置鮮器*肝路器DZ15LE-40/62S12.09Ot5W22-3xlO+lx6HH3-15/15不设詐鯛断瞬DZ15LE-63/1525木工圆锯9.S3直接坦起W22-3m10+1x6HR 5-100/10不遷举潍

14、、斷路器DZ15LE-63/1027肩空吸水泵11,40W22-3X10+1X6HH3-15/15丙趨S璃眇瞬DZ15LE-63/1528詭WT1.30W22*3xl0+l>6HR5-100/4不设薛霑，断路器DZ15LE 咖29麟灯7.60直接埋堆W22-3xl0+lx6HR5-100/10不设器淳、断路器DZ15L£3/1O2.2初步设计(1) 施工现场临时用电安全技术规范(JGJ46-2005)总则中以强制性条文规定，施工现场必须采用三级配电系统、必须采用TN-S接零保护系统。 现场采用380V低压供电，设一配电总箱，采用TN-S系统供电。(3) 布置位置及线路走向参见临

15、时配电系统图，采用三级配电，三级防护。 按照JGJ46-2005规定制定方案，接地电阻 RW4Q。(5)按照JGJ46-2005规定若为架空线路则“根据机械强度要求，绝缘铜 线截面不小于10口市 绝缘铝线截面不小于16mm。2.3 用电负荷1、 1 号分箱设备用电负荷(1) 塔式起重机Kx = 0.7 ，Cos© = 0.65 ，tg © = (1 - Cos © A2)A0.5/ Cos ©二(1 - 0.65A2)A0.5 / 0.65 = 1.17Pe = n x P x ( & e/ & )八0.5 = 2.00 x 32.80

16、x (0.40 / 0.25)八0.5 = 82.98kWIj1 = Kx x Pe / (1.732 x Ue x cos© ) = 0.70 x 82.98 x 1000 / (1.732 x 380 x 0.65) = 135.77APjs = Kx x Pe = 0.70 x 82.98 = 58.08kWQjs = Pjs x tg © = 58.08 x 1.17 = 67.91kvA(2) 施工升降机Kx = 0.3， Cos© = 0.6，tg© = (1 - Cos© A2)A0.5/ Cos© = (1 - 0.6

17、A2)A0.5 / 0.6 = 1.33Pe = n x P x ( & e/ & )八0.5 = 2.00 x 22.00 x (0.40 / 0.40)八0.5 = 44.00kWIj1 = Kx x Pe / (1.732 x UeX cos © ) = 0.30 x 44.00 x 1000 / (1.732 x 380 x 0.60) = 33.43APjs = Kx x Pe = 0.30 x 44.00 = 13.20kWQjs = Pjs x tg © = 13.20 x 1.33 = 17.60kvA(3) 自落式混凝土搅拌机Kx = 0.

18、75 , Cos© = 0.85 , tg © = (1 - Cos© A2)A0.5/ Cos © = (1 -0.85A2)A0.5 / 0.85 = 0.62Pe = n x P x ( & e/ & )八0.5 = 1.00 x 7.50 x (0.40 / 0.40)八0.5 = 7.50kWIj1 = Kx x Pe / (1.732 x Ue x cos© ) = 0.75 x 7.50 x 1000 / (1.732 x 380 x 0.85) = 10.05APjs = Kx x Pe = 0.75 x 7.5

19、0 = 5.62kWQjs = Pjs x tg © = 5.62 x 0.62 = 3.49kvA(4) 插入式振动器Kx = 0.3， Cos© = 0.7，tg© = (1 - Cos© A2)A0.5/ Cos© = (1 - 0.7A2)A0.5 / 0.7 = 1.02Pe = n x P x ( & e/ & )八0.5 = 2.00 x 0.80 x (0.40 / 0.40)八0.5 = 1.60kWIj1 = Kx x Pe / (1.732 x Ue x cos© ) = 0.30 x 1.60

20、x 1000 / (1.732 x 380 x 0.70) = 1.04APjs = Kx x Pe = 0.30 x 1.60 = 0.48kWQjs = Pjs x tg © = 0.48 x 1.02 = 0.49kvA(5) 钢筋调直机Kx = 0.65 , Cos© = 0.7 , tg © = (1 - Cos © A2)A0.5/ Cos ©二(1 - 0.7A2)A0.5 / 0.7 = 1.02Pe = n x P x ( & e/ & )八0.5 = 1.00 x 4.00 x (0.40 / 0.40)八0

21、.5 = 4.00kWIj1 = Kx x Pe / (1.732 x Ue x cos© ) = 0.65 x 4.00 x 1000 / (1.732 x 380 x 0.70) = 5.64APjs = Kx x Pe = 0.65 x 4.00 = 2.60kWQjs = Pjs x tg © = 2.60 x 1.02 = 2.65kvA(6) 钢筋切断机Kx = 0.65 ， Cos© = 0.7 ， tg© = (1 - Cos © A2)A0.5/ Cos © = (1 - 0.7A2)A0.5 / 0.7 = 1.0

22、2Pe = n x P x ( & e/ & )八0.5 = 1.00 x 3.00 x (0.40 / 0.40)八0.5 = 3.00kWIj1 = Kx x Pe / (1.732 x Ue x cos© ) = 0.65 x 3.00 x 1000 / (1.732 x 380 x 0.70) = 4.23APjs = Kx x Pe = 0.65 x 3.00 = 1.95kWQjs = Pjs x tg © = 1.95 x 1.02 = 1.99kvA(7) 钢筋弯曲机Kx = 0.65 ， Cos© = 0.7 ， tg©

23、 = (1 - Cos © A2)A0.5/ Cos © = (1 - 0.7A2)A0.5 / 0.7 = 1.02Pe = n x P x ( & e/ & )八0.5 = 1.00 x 3.00 x (0.40 / 0.40)八0.5 = 3.00kWIj1 = Kx x Pe / (1.732 x Ue x cos© ) = 0.65 x 3.00 x 1000 / (1.732 x 380 x 0.70) = 4.23APjs = Kx x Pe = 0.65 x 3.00 = 1.95kWQjs = Pjs x tg ©二 1

24、.95 x 1.02 = 1.99kvA(8) 交流电焊机Kx = 0.5 , Cos© = 0.4 , tg ©二(1 - Cos© A2)A0.5/ Cos© = (1 - 0.4A2)A0.5 / 0.4 = 2.29Pe = n x P x ( & e/ & )八0.5 = 1.00 x 9.00 x (0.50 / 1.00)八0.5 = 6.36kWIj1 = Kx x Pe / (1.732 x Ue x cos© ) = 0.50 x 6.36 x 1000 / (1.732 x 380 x 0.40) = 12

25、.09APjs = Kx x Pe = 0.50 x 6.36 = 3.18kWQjs = Pjs x tg © = 3.18 x 2.29 = 7.29kvA(9) 电动抹光机Kx = 0.1 , Cos© = 0.45 , tg© = (1 - Cos © A2)A0.5/ Cos © = (1 - 0.45A2)A0.5 / 0.45 = 1.98Pe = n x P x ( & e/ & )八0.5 = 1.00 x 1.50 x (0.40 / 0.40)八0.5 = 1.50kWIj1 = Kx x Pe / (1.

26、732 x Ue x cos© ) = 0.10 x 1.50 x 1000 / (1.732 x 380 x 0.45) = 0.51APjs = Kx x Pe = 0.10 x 1.50 = 0.15kWQjs = Pjs x tg © = 0.15 x 1.98 = 0.30kvA(10) 木工圆锯Kx = 0.65 , Cos© = 0.6 , tg© = (1 - Cos © A2)A0.5/ Cos © = (1 - 0.6A2)A0.5 / 0.6 = 1.33Pe = n x P x ( & e/ &

27、 )95 = 2.00 x 3.00 x (0.40 / 0.40)95 = 6.00kWIj1 = Kx x Pe / (1.732 x Ue x cos © ) = 0.65 x 6.00 x 1000 / (1.732 x 380 x 0.60) = 9.88APjs = Kx x Pe = 0.65 x 6.00 = 3.90kWQjs = Pjs x tg © = 3.90 x 1.33 = 5.20kvA(11) 真空吸水泵Kx = 0.75 , Cos© = 0.8 , tg © = (1 - Cos © A2)A0.5/ Cos

28、 © = (1 - 0.8A2)A0.5 / 0.8 = 0.75Pe = n x P x ( & e/ & )八0.5 = 2.00 x 4.00 x (0.40 / 0.40)八0.5 = 8.00kWIj1 = Kx x Pe / (1.732 x Ue x cos© ) = 0.75 x 8.00 x 1000 / (1.732 x 380 x 0.80) = 11.40APjs = Kx x Pe = 0.75 x 8.00 = 6.00kWQjs = Pjs x tg © = 6.00 x 0.75 = 4.50kvA(12) 高压钠灯

29、Kx = 0.6， Cos© = 0.7，tg© = (1 - Cos© A2)A0.5/ Cos© = (1 - 0.7A2)A0.5 / 0.7 = 1.02Pe = n x P x ( & e/ & )八0.5 = 2.00 x 1.00 x (0.40 / 0.40)八0.5 = 2.00kWIj1 = Kx x Pe / (1.732 x Ue x cos© ) = 0.60 x 2.00 x 1000 / (1.732 x 380 x 0.70) = 2.60APjs = Kx x Pe = 0.60 x 2.00

30、= 1.20kWQjs = Pjs x tg © = 1.20 x 1.02 = 1.22kvA(13) 碘钨灯Kx = 0.6 , Cos© = 0.6 ,tg ©二(1 - Cos© A2)A0.5/ Cos© = (1 - 0.6A2)A0.5 / 0.6 = 1.33Pe = n x P x ( & e/ & )八0.5 = 10.00 x 0.50 x (0.40 / 0.40)八0.5 = 5.00kWIj1 = Kx x Pe / (1.732 x Ue x cos© ) = 0.60 x 5.00 x

31、1000 / (1.732 x 380 x 0.60) = 7.60APjs = Kx x Pe = 0.60 x 5.00 = 3.00kWQjs = Pjs x tg © = 3.00 x 1.33 = 4.00kvA(14) 套丝切管机Kx = 0.2 ，Cos© = 0.65 ，tg© = (1 - Cos © A2)A0.5/ Cos © = (1 - 0.65A2)A0.5 / 0.65 = 1.17Pe = n x P x ( & e/ & )八0.5 = 1.00 x 1.00 x (0.40 / 0.40)八0

32、.5 = 1.00kWIj1 = Kx x Pe / (1.732 x Ue x cos© ) = 0.20 x 1.00 x 1000 / (1.732 x 380 x 0.65) = 0.47APjs = Kx x Pe = 0.20 x 1.00 = 0.20kWQjs = Pjs x tg © = 0.20 x 1.17 = 0.23kvA(15) 1 号分箱计算负荷用电设备同期使用系数 Kx=0.80；Ijs = Kx x 艺 Pe / (1.732 x Ue x Cos © ) = 0.80 x 175.94 x 1000 / (1.732 x 380

33、 x 0.75) = 285.15A；同时要求分箱用电负荷不得小于分箱下用电设备最大计算负荷的 1.1 倍， 故：Ijs = max285.15,1.1 xmax(135.77,33.43,10.05,1.04,5.64,4.23,4.23,12.09,0.51,9.88,11.40,2.60 ,7.60,0.47,) = 285.15A2、2 号分箱设备用电负荷(1) 塔式起重机Kx = 0.7 , Cos© = 0.65 , tg © = (1 - Cos © A2)A0.5/ Cos ©二(1 -0.65A2)A0.5 / 0.65 = 1.17P

34、e = n x P x ( & e/ & )八0.5 = 1.00 x 27.50 x (0.40 / 0.25)八0.5 = 34.79kWIj1 = Kx x Pe / (1.732 x Ue x cos© ) = 0.70 x 34.79 x 1000 / (1.732 x 380 x 0.65) = 56.92APjs = Kx x Pe = 0.70 x 34.79 = 24.35kWQjs = Pjs x tg © = 24.35 x 1.17 = 28.47kvA(2) 载货电梯Kx = 0.3， Cos© = 0.6，tg©

35、; = (1 - Cos© A2)A0.5/ Cos© = (1 - 0.6A2)A0.5 / 0.6 = 1.33Pe = n x P x ( & e/ & )八0.5 = 4.00 x 7.50 x (0.40 / 0.40)八0.5 =30.00kWIj1 = Kx x Pe / (1.732 x Ue x cos© ) = 0.30 x 30.00 x 1000 / (1.732 x 380 x 0.60) = 22.79APjs = Kx x Pe = 0.30 x 30.00 = 9.00kWQjs = Pjs x tg ©

36、= 9.00 x 1.33 = 12.00kvA(3) 自落式混凝土搅拌机Kx = 0.75 ， Cos© = 0.85 ， tg© = (1 - Cos ©A2)A0.5/ Cos © = (1 -0.85A2)A0.5 / 0.85 = 0.62Pe = n x P x ( & el & )八0.5 = 2.00 x 5.50 x (0.40 / 0.40)八0.5 = 11.00kWIj1 = Kx x Pe l (1.732 x Ue x cos © ) = 0.75 x 11.00 x 1000 l (1.732 x

37、380 x 0.85) = 14.75APjs = Kx x Pe = 0.75 x 11.00 = 8.25kWQjs = Pjs x tg © = 8.25 x 0.62 = 5.11kvA(4) 插入式振动器Kx = 0.3，Cos© = 0.7，tg© = (1 - Cos© A2)A0.5l Cos© = (1 - 0.7A2)A0.5 l 0.7 = 1.02Pe = n x P x ( & el & )八0.5 = 2.00 x 0.80 x (0.40 l 0.40)八0.5 = 1.60kWIj1 = Kx x

38、 Pe l (1.732 x Ue x cos© ) = 0.30 x 1.60 x 1000 l (1.732 x 380 x 0.70) = 1.04APjs = Kx x Pe = 0.30 x 1.60 = 0.48kWQjs = Pjs x tg © = 0.48 x 1.02 = 0.49kvA(5) 钢筋调直机Kx = 0.65 ，Cos© = 0.7 ，tg© = (1 - Cos © A2)A0.5l Cos © = (1 - 0.7A2)A0.5 l 0.7 = 1.02Pe = n x P x ( & e

39、l & )八0.5 = 1.00 x 4.00 x (0.40 l 0.40)八0.5 = 4.00kWIj1 = Kx x Pe l (1.732 x Ue x cos© ) = 0.65 x 4.00 x 1000 l (1.732 x 380 x 0.70) = 5.64APjs = Kx x Pe = 0.65 x 4.00 = 2.60kWQjs = Pjs X tg © = 2.60 X 1.02 = 2.65kvA(6) 钢筋切断机Kx = 0.65 , Cos© = 0.7 , tg © = (1 - Cos © A2)

40、A0.5/ Cos © = (1 -0.7A2)A0.5 / 0.7 = 1.02Pe = n X P X ( & e/ & )八0.5 = 1.00 X 7.00 X (0.40 / 0.40)八0.5 = 7.00kWIj1 = Kx X Pe / (1.732 X Ue X cos© ) = 0.65 X 7.00 X 1000 / (1.732 X 380 X 0.70) = 9.88APjs = Kx X Pe = 0.65 X 7.00 = 4.55kWQjs = Pjs X tg © = 4.55 X 1.02 = 4.64kvA(7

41、) 钢筋弯曲机Kx = 0.65 ， Cos© = 0.7 ， tg© = (1 - Cos © A2)A0.5/ Cos © = (1 -0.7A2)A0.5 / 0.7 = 1.02Pe = n X P X ( & e/ & )八0.5 = 1.00 X 3.00 X (0.40 / 0.40)八0.5 = 3.00kWIj1 = Kx X Pe / (1.732 X Ue X cos© ) = 0.65 X 3.00 X 1000 / (1.732 X 380 X 0.70) = 4.23APjs = Kx X Pe =

42、0.65 X 3.00 = 1.95kWQjs = Pjs X tg © = 1.95 X 1.02 = 1.99kvA(8) 交流电焊机Kx = 0.5， Cos© = 0.4，tg© = (1 - Cos© A2)A0.5/ Cos© = (1 - 0.4A2)A0.5 / 0.4 = 2.29Pe = n X P X ( & e/ & )八0.5 = 1.00 X 9.00 X (0.50 / 1.00)八0.5 = 6.36kWIj1 = Kx x Pe / (1.732 x UeX cos © ) = 0.5

43、0 x 6.36 x 1000 / (1.732 x 380 x 0.40) = 12.09APjs = Kx x Pe = 0.50 x 6.36 = 3.18kWQjs = Pjs x tg © = 3.18 x 2.29 = 7.29kvA(9) 木工圆锯Kx = 0.65 , Cos© = 0.6 , tg © = (1 - Cos © A2)A0.5/ Cos © = (1 - 0.6A2)A0.5 / 0.6 = 1.33Pe = n x P x ( & e/ & )八0.5 = 2.00 x 3.00 x (0.4

44、0 / 0.40)八0.5 = 6.00kWIj1 = Kx x Pe / (1.732 x Ue x cos© ) = 0.65 x 6.00 x 1000 / (1.732 x 380 x 0.60) = 9.88APjs = Kx x Pe = 0.65 x 6.00 = 3.90kWQjs = Pjs x tg © = 3.90 x 1.33 = 5.20kvA(10) 真空吸水泵Kx = 0.75 ， Cos© = 0.8 ， tg© = (1 - Cos © A2)A0.5/ Cos © = (1 - 0.8A2)A0.5

45、 / 0.8 = 0.75Pe = n x P x ( & e/ & )八0.5 = 2.00 x 4.00 x (0.40 / 0.40)八0.5 = 8.00kWIj1 = Kx x Pe / (1.732 x Ue x cos© ) = 0.75 x 8.00 x 1000 / (1.732 x 380 x 0.80) = 11.40APjs = Kx x Pe = 0.75 x 8.00 = 6.00kWQjs = Pjs x tg © = 6.00 x 0.75 = 4.50kvA(11) 高压钠灯Kx = 0.6 , Cos© = 0.

46、7 ,tg © = (1 - Cos© A2)A0.5/ Cos© = (1 - 0.7A2)A0.5/ 0.7 = 1.02Pe = n x P x ( & e/ & )八0.5 = 1.00 x 1.00 x (0.40 / 0.40)八0.5 = 1.00kWIj1 = Kx x Pe / (1.732 x Ue x cos© ) = 0.60 x 1.00 x 1000 / (1.732 x 380 x 0.70) = 1.30APjs = Kx x Pe = 0.60 x 1.00 = 0.60kWQjs = Pjs x tg

47、© = 0.60 x 1.02 = 0.61kvA(12) 碘钨灯Kx = 0.6，Cos© = 0.6，tg© = (1 - Cos© A2)A0.5/ Cos© = (1 - 0.6A2)A0.5 / 0.6 = 1.33Pe = n x P x ( & e/ & )八0.5 = 10.00 x 0.50 x (0.40 / 0.40)八0.5 = 5.00kWIj1 = Kx x Pe / (1.732 x Ue x cos© ) = 0.60 x 5.00 x 1000 / (1.732 x 380 x 0.6

48、0) = 7.60APjs = Kx x Pe = 0.60 x 5.00 = 3.00kWQjs = Pjs x tg © = 3.00 x 1.33 = 4.00kvA(13) 2 号分箱计算负荷用电设备同期使用系数 Kx=0.80；Ijs = Kx x 艺 Pe / (1.732 x Ue x Cos © ) = 0.80 x 117.75 x 1000 / (1.732 x 380 x 0.75) = 190.83A ；同时要求分箱用电负荷不得小于分箱下用电设备最大计算负荷的 1.1 倍， 故：Ijs = max190.83,1.1 x max(56.92,22.7

49、9,14.75,1.04,5.64,9.88,4.23,12.09,9.88,11.40,1.30,7.60,) = 190.83A3、总箱计算负荷总的计算负荷计算，总配电箱用电设备同期使用系数取 Kx = 0.80总的有功功率：Pjs = Kx X2 Pjs = 0.80X 169.38 = 135.51kW总的无功功率：Qjs = Kx X2 Qjs = 0.80X 195.82 = 156.66kvar总的视在功率：Sjs = (PjsA2 + QjsA2)A0.5 = (135.51 X 135.51 + 156.66X 156.66)A0.5 = 207.13kVA总的计算电流计算：

50、 Ijs = Sjs X 1000 /(1.732 X Ue) = 207.13 X 1000 / (1.732 X 380) = 314.71A 同时要求总箱下计算负荷不得小于分箱计算负 荷的 1.1 倍，故：Ijs = max314.71,1.1 Xmax(285.15,190.83,) = 314.71A2.4 导线及开关箱内电气设备选择1 、 1 号干线上导线及开关箱内电气设备选择1.1 、塔式起重机导线及开关箱内电气设备选择根据计算负荷，知塔式起重机计算电流为：Ij1 = Kx X Pe/(1.732 X UeX cos © ) = 135.77A(1)选择 YJV-0.6

51、/1kV-3 X 25+2X 16,安全载流量为 136A> 135.77A。 选择开关箱内开关为HR3-400/150,其熔体额定电流为Ir = 150A>135.77A，漏电保护器为 DZL25-200/160。1.2 、施工升降机导线及开关箱内电气设备选择根据计算负荷,知施工升降机计算电流为：Ij2 = Kx XPe/(1.732 XUeXcos©) = 33.43A 选择VV22-3X 10+1X6,安全载流量为64A>33.43A。 选择开关箱内开关为HR6-160/35，其熔体额定电流为Ir = 35A>33.43A，漏电保护器为 3KM1L-63

52、/40。1.3 、自落式混凝土搅拌机导线及开关箱内电气设备选择根据计算负荷，知自落式混凝土搅拌机计算电流为：Ij3 = Kx x Pe/(1.732 x UeX cos © ) = 10.05A 选择VV22-3X 10+1X6,安全载流量为64A> 10.05A。 选择开关箱内开关为HH3-15/15，其熔体额定电流为Ir = 15A>10.05A，漏电保护器为 DZ15LE-63/15。1.4 、插入式振动器导线及开关箱内电气设备选择根据计算负荷，知插入式振动器计算电流为：Ij4 = Kx xPe/(1.732xUexcos© ) = 1.04A 选择VV2

53、2-3X 10+1X6,安全载流量为64A> 1.04A。 选择开关箱内开关为HR5-100/4，其熔体额定电流为Ir = 4A > 1.04A， 漏电保护器为 DZ15LE-40/6。1.5、钢筋调直机导线及开关箱内电气设备选择根据计算负荷，知钢筋调直机计算电流为：Ij5 = Kx xPe/(1.732xUexcos©) = 5.64A 选择VV22-3X 10+1X6,安全载流量为64A>5.64A。 选择开关箱内开关为HR6-160/6，其熔体额定电流为Ir = 6A > 5.64A，漏电保护器为 DZ15LE-40/6。1.6、钢筋切断机导线及开关箱内

54、电气设备选择根据计算负荷，知钢筋切断机计算电流为：Ij6 = Kx x Pe/(1.732 x UeX cos © ) = 4.23A 选择VV22-3X 10+1X6,安全载流量为64A>4.23A。 选择开关箱内开关为HR6-160/6，其熔体额定电流为Ir = 6A > 4.23A , 漏电保护器为 DZ15LE-40/6。1.7、钢筋弯曲机导线及开关箱内电气设备选择根据计算负荷，知钢筋弯曲机计算电流为：Ij7 = Kx x Pe/(1.732 x Uex cos© ) = 4.23A 选择VV22-3X 10+1X6,安全载流量为64A>4.23A

55、。 选择开关箱内开关为HR6-160/6，其熔体额定电流为Ir = 6A > 4.23A , 漏电保护器为 DZ15LE-40/6。1.8、交流电焊机导线及开关箱内电气设备选择根据计算负荷,知交流电焊机计算电流为：Ij8 = Kx XPe/(1.732 XUeXcos©) = 12.09A 选择VV22-3X 10+1X6,安全载流量为64A> 12.09A。 选择开关箱内开关为HH3-15/15，其熔体额定电流为Ir = 15A>12.09A，漏电保护器为 DZ15LE-63/15。1.9 、电动抹光机导线及开关箱内电气设备选择根据计算负荷,知电动抹光机计算电流为

56、：Ij9 = Kx XPe/(1.732 X UeXcos© ) = 0.51A 选择VV22-3X 10+1X6,安全载流量为64A>0.51A。选择开关箱内开关为HR5-100/4，其熔体额定电流为Ir = 4A > 0.51A , 漏电保护器为 DZ15LE-40/6。1.10 、木工圆锯导线及开关箱内电气设备选择 根据计算负荷，知木工圆锯计算电流为：Ijio = Kx x Pe心.732 x UeX cos © ) = 9.88A 选择VV22-3X 10+1X6,安全载流量为64A>9.88A。 选择开关箱内开关为HR5-100/10,其熔体额定

57、电流为Ir = 10A>9.88A，漏电保护器为 DZ15LE-63/10。1.11、真空吸水泵导线及开关箱内电气设备选择 根据计算负荷,知真空吸水泵计算电流为：Ij11 = Kx xPe/(1.732 xUexcos©) = 11.40A 选择VV22-3X 10+1X6,安全载流量为64A> 11.40A。 选择开关箱内开关为HH3-15/15，其熔体额定电流为Ir = 15A>11.40A，漏电保护器为 DZ15LE-63/15。1.12、高压钠灯导线及开关箱内电气设备选择 根据计算负荷，知高压钠灯计算电流为：Ij12 = Kx XPe/(1.732 XUeXcos©) = 2.60A 选择VV22-3X 10+1X6,安全载流量为64A>2.60A。选择开关箱内开关为HR5-100/4，其熔体额定电流为Ir = 4A > 2.60A , 漏电保护器为 DZ15LE-40/6。1.13、碘钨灯导线及开关箱内电气设备选择 根据计算负荷，知碘钨灯计算电流为：Ij13 = Kx XPe/(1.732 XUeXcos©) = 7.60A 选择VV22-3X 10+1X6,安全载流量为64A>7.60A。 选择开关箱内开关为HR5-100/10,其熔体额定电流为Ir = 10A>7.60A，漏电保护