施工用电专项方案

1、云南集成广福房地产开发有限公司广福城二期A3地块项目临时施工用电专项施工方案编制人: 职务： 校对人： 职务： 审核人： 职务： 审批人： 职务： 中国有色金属工业第十四冶金建设公司 编制时间： 年 月 日第一节：编制依据1、由云南省设计院出版的施工图纸。2、施工现场实际情况；3、建设单位提供变压器情况。4、低压配电设计规范GB50054-95建筑工程施工现场供电安全规范GB50194-93通用用电设备配电设计规范GB50055-93 供配电系统设计规范GB50052-95 施工现场临时用电安全技术规范JGJ46-2005 建筑施工安全检查标准JGJ59-2011第二节：总体规划根据施工现场的

2、实际情况，拟定本项目总体规划如下：施工现场建设单位共提供三台变压器，由于本工程体量较大，故进行分区域供电。其中变压器提供1、2、5、6栋及其附属地下室的施工用电，变压器二提供3、4栋及其附属地下室的施工用电，变压器三提供7.8栋及其附属地下室的施工用电。具体请参见施工现场临时用电平面布置图。第三节：计算书变压器一计算书广福城二期A3地块项目工程； 工程建设地点:昆明市西山区前卫社区；属于剪力墙结构； 地上33层； 地下2层；建筑高度：110m；标准层层高：2.9m ；总建筑面积：296500平方米；总工期：540天。本工程由云南集成广福房地产开发有限公司投资建设，云南省设计院设计，地质勘察，云

3、南镕诚建设监理有限公司监理，中国有色金属工业第十四冶金建设公司组织施工；由税远兵担任项目经理，李劲松担任技术负责人。一、编制依据低压配电设计规范GB50054-95中国建筑工业出版社建筑工程施工现场供电安全规范GB50194-93中国建筑工业出版社通用用电设备配电设计规范GB50055-93中国建筑工业出版社供配电系统设计规范GB50052-95中国建筑工业出版社施工现场临时用电安全技术规范JGJ46-2005中国建筑工业出版社建筑施工安全检查标准JGJ59-2011二、施工条件施工现场用电量统计表:-序号 机具名称 型号 安装功率(kW) 数量 合计功率(kW)1 塔式起重机 QTZ5013

4、 40 1 40 2 塔式起重机 QTZ5013 40 1 40 3 混凝土输送泵 HB-110 110 1 110 4 闪光对焊 BX3-200-2 23.4 1 23.4 5 钢筋调直机 GT6/14 11 1 11 6 钢筋切断机 QJ40 7 1 7 7 钢筋切断机 QJ40 7 1 7 8 钢筋弯曲机 GW40 3 1 3 9 钢筋弯曲机 GW40 3 1 3 10 钢筋弯曲机 GW40 3 1 3 11 插入式振动器 ZX70 1.5 1 1.5 12 插入式振动器 ZX70 1.5 1 1.5 13 插入式振动器 ZX70 1.5 1 1.5 14 电渣压力焊 AX5-500 2

5、6 1 26 15 预留手动机械 1.1 1 1.1 16 插入式振动器 ZX70 1.5 1 1.5 17 插入式振动器 ZX70 1.5 1 1.5 18 插入式振动器 ZX70 1.5 1 1.5 19 电渣压力焊 AX5-500 26 1 26 20 预留小型机械 1.5 1 1.5 21 SCD100/100A 11 1 11 22 SCD100/100A 11 1 11 23 高压汞灯 3 1 3 24 高压汞灯 3 1 3 25 高压汞灯 3 1 3 26 高压汞灯 3 1 3 27 碘钨灯 0.5 1 0.5 28 碘钨灯 0.5 1 0.5 29 碘钨灯 0.5 1 0.5

6、30 碘钨灯 0.5 1 0.5 31 碘钨灯 0.5 1 0.5 32 碘钨灯 0.5 1 0.5 33 碘钨灯 0.5 1 0.5 34 碘钨灯 0.5 1 0.5 35 碘钨灯 0.5 1 0.5 36 碘钨灯 0.5 1 0.5 37 碘钨灯 0.5 1 0.5 38 碘钨灯 0.5 1 0.5 39 碘钨灯 0.5 1 0.5 40 碘钨灯 0.5 1 0.5 41 塔式起重机 QTZ5013 40 1 40 42 混凝土输送泵 HB-110 110 1 110 43 闪光对焊 BX3-500-2 38.6 1 38.6 44 钢筋弯曲机 GW40 3 1 3 45 钢筋弯曲机 GW

7、40 3 1 3 46 钢筋弯曲机 GW40 3 1 3 47 钢筋切断机 QJ40 7 1 7 48 钢筋切断机 QJ40 7 1 7 49 钢筋调直机 GT6/14 11 1 11 50 电渣压力焊 AX5-500 26 1 26 51 插入式振动器 ZX70 1.5 1 1.5 52 插入式振动器 ZX70 1.5 1 1.5 53 插入式振动器 ZX70 1.5 1 1.5 54 预留手动机械 1.5 1 1.5 55 插入式振动器 ZX70 1.5 1 1.5 56 插入式振动器 ZX70 1.5 1 1.5 57 插入式振动器 ZX70 1.5 1 1.5 58 预留手动机械 1.

8、5 1 1.5 59 电渣压力焊 AX5-500 26 1 26 60 SCD100/100A 11 1 11 61 SCD100/100A 11 1 11 62 高压汞灯 3 1 3 63 高压汞灯 3 1 3 64 碘钨灯 0.5 1 0.5 65 碘钨灯 0.5 1 0.5 66 碘钨灯 0.5 1 0.5 67 碘钨灯 0.5 1 0.5 68 碘钨灯 0.5 1 0.5 69 碘钨灯 0.5 1 0.5 70 碘钨灯 0.5 1 0.5 71 碘钨灯 0.5 1 0.5 72 碘钨灯 0.5 1 0.5 73 碘钨灯 0.5 1 0.5 -三、设计内容和步骤1、现场勘探及初步设计:(

9、1)本工程所在施工现场范围内施工前无各种埋地管线。(2)现场采用380V低压供电，设一配电总箱，内有计量设备，采用TN-S系统供电。(3)根据施工现场用电设备布置情况，总箱进线采用导线直接埋地敷设，干线采用直接埋地敷设，用电器导线采用直接埋地敷设。布置位置及线路走向参见临时配电系统图及现场平面图，采用三级配电，三级防护。(4)按照JGJ46-2005规定制定施工组织设计，接地电阻R4。2、确定用电负荷:(1)、塔式起重机Kx = 0.85 Cos = 0.6 tg = 1.33Pjs = 0.85×40 = 34 kWQjs = Pjs× tg=34×1.33 =

10、 45.33 kvar(2)、塔式起重机Kx = 0.85 Cos = 0.6 tg = 1.33Pjs = 0.85×40 = 34 kWQjs = Pjs× tg=34×1.33 = 45.33 kvar(3)、混凝土输送泵Kx = 0.3 Cos = 0.7 tg = 1.02将Jc =40%统一换算到Jc1 =20%的额定容量Pn = 110kWPe = n×(Jc/Jc1)1/2×Pn = 1×(0.4/0.2)1/2×110 = 155.56 kWPjs = Kx×Pe =0.3×155.56

11、 = 46.67kWQjs = Pjs× tg=46.67×1.02 = 47.61 kvar(4)、闪光对焊Kx = 0.5 Cos = 0.4 tg = 2.29将Jc =50%统一换算到Jc1 =40%的额定容量Pn = 23.4kWPe = n×(Jc/Jc1)1/2×Pn = 1×(0.5/0.4)1/2×23.4 = 26.16 kWPjs = Kx×Pe =0.5×26.16 = 13.08kWQjs = Pjs× tg=13.08×2.29 = 29.97 kvar(5)、钢筋调

12、直机Kx = 0.65 Cos = 0.7 tg = 1.02Pjs = 0.65×11 = 7.15 kWQjs = Pjs× tg=7.15×1.02 = 7.29 kvar(6)、钢筋切断机Kx = 0.65 Cos = 0.7 tg = 1.02Pjs = 0.65×7 = 4.55 kWQjs = Pjs× tg=4.55×1.02 = 4.64 kvar(7)、钢筋切断机Kx = 0.65 Cos = 0.7 tg = 1.02Pjs = 0.65×7 = 4.55 kWQjs = Pjs× tg=4.

13、55×1.02 = 4.64 kvar(8)、钢筋弯曲机Kx = 0.65 Cos = 0.7 tg = 1.02Pjs = 0.65×3 = 1.95 kWQjs = Pjs× tg=1.95×1.02 = 1.99 kvar(9)、钢筋弯曲机Kx = 0.65 Cos = 0.7 tg = 1.02Pjs = 0.65×3 = 1.95 kWQjs = Pjs× tg=1.95×1.02 = 1.99 kvar(10)、钢筋弯曲机Kx = 0.65 Cos = 0.7 tg = 1.02Pjs = 0.65×3

14、 = 1.95 kWQjs = Pjs× tg=1.95×1.02 = 1.99 kvar(11)、插入式振动器Kx = 0.3 Cos = 0.7 tg = 1.02Pjs = 0.3×1.5 = 0.45 kWQjs = Pjs× tg=0.45×1.02 = 0.46 kvar(12)、插入式振动器Kx = 0.3 Cos = 0.7 tg = 1.02Pjs = 0.3×1.5 = 0.45 kWQjs = Pjs× tg=0.45×1.02 = 0.46 kvar(13)、插入式振动器Kx = 0.3 C

15、os = 0.7 tg = 1.02Pjs = 0.3×1.5 = 0.45 kWQjs = Pjs× tg=0.45×1.02 = 0.46 kvar(14)、电渣压力焊Kx = 0.7 Cos = 0.6 tg = 1.33将Jc =50%统一换算到Jc1 =25%的额定容量Pn = 26kWPe = n×(Jc/Jc1)1/2×Pn = 1×(0.5/0.25)1/2×26 = 36.77 kWPjs = Kx×Pe =0.7×36.77 = 25.74kWQjs = Pjs× tg=25

16、.74×1.33 = 34.32 kvar(15)、预留手动机械Kx = 0.3 Cos = 0.6 tg = 1.33Pjs = 0.3×1.1 = 0.33 kWQjs = Pjs× tg=0.33×1.33 = 0.44 kvar(16)、插入式振动器Kx = 0.3 Cos = 0.7 tg = 1.02Pjs = 0.3×1.5 = 0.45 kWQjs = Pjs× tg=0.45×1.02 = 0.46 kvar(17)、插入式振动器Kx = 0.3 Cos = 0.7 tg = 1.02Pjs = 0.3&#

17、215;1.5 = 0.45 kWQjs = Pjs× tg=0.45×1.02 = 0.46 kvar(18)、插入式振动器Kx = 0.3 Cos = 0.7 tg = 1.02Pjs = 0.3×1.5 = 0.45 kWQjs = Pjs× tg=0.45×1.02 = 0.46 kvar(19)、电渣压力焊Kx = 0.7 Cos = 0.6 tg = 1.33将Jc =50%统一换算到Jc1 =25%的额定容量Pn = 26kWPe = n×(Jc/Jc1)1/2×Pn = 1×(0.5/0.25)1/

18、2×26 = 36.77 kWPjs = Kx×Pe =0.7×36.77 = 25.74kWQjs = Pjs× tg=25.74×1.33 = 34.32 kvar(20)、预留小型机械Kx = 0.5 Cos = 0.55 tg = 1.52Pjs = 0.5×1.5 = 0.75 kWQjs = Pjs× tg=0.75×1.52 = 1.14 kvar(21)、建筑施工外用电梯Kx = 0.85 Cos = 0.6 tg = 1.33Pjs = 0.85×11 = 9.35 kWQjs = Pj

19、s× tg=9.35×1.33 = 12.47 kvar(22)、建筑施工外用电梯Kx = 0.85 Cos = 0.6 tg = 1.33Pjs = 0.85×11 = 9.35 kWQjs = Pjs× tg=9.35×1.33 = 12.47 kvar(23)、高压汞灯Kx = 0.6 Cos = 0.7 tg = 1.02Pjs = 0.6×3×1.1 = 1.98 kWQjs = Pjs× tg=1.98×1.02 = 2.02 kvar(24)、高压汞灯Kx = 0.6 Cos = 0.7 t

20、g = 1.02Pjs = 0.6×3×1.1 = 1.98 kWQjs = Pjs× tg=1.98×1.02 = 2.02 kvar(25)、高压汞灯Kx = 0.6 Cos = 0.7 tg = 1.02Pjs = 0.6×3×1.1 = 1.98 kWQjs = Pjs× tg=1.98×1.02 = 2.02 kvar(26)、高压汞灯Kx = 0.6 Cos = 0.7 tg = 1.02Pjs = 0.6×3×1.1 = 1.98 kWQjs = Pjs× tg=1.98

21、×1.02 = 2.02 kvar(27)、碘钨灯Kx = 0.6 Cos = 0.6 tg = 1.33Pjs = 0.6×0.5×1 = 0.3 kWQjs = Pjs× tg=0.3×1.33 = 0.4 kvar(28)、碘钨灯Kx = 0.6 Cos = 0.6 tg = 1.33Pjs = 0.6×0.5×1 = 0.3 kWQjs = Pjs× tg=0.3×1.33 = 0.4 kvar(29)、碘钨灯Kx = 0.6 Cos = 0.6 tg = 1.33Pjs = 0.6×0

22、.5×1 = 0.3 kWQjs = Pjs× tg=0.3×1.33 = 0.4 kvar(30)、碘钨灯Kx = 0.6 Cos = 0.6 tg = 1.33Pjs = 0.6×0.5×1 = 0.3 kWQjs = Pjs× tg=0.3×1.33 = 0.4 kvar(31)、碘钨灯Kx = 0.6 Cos = 0.6 tg = 1.33Pjs = 0.6×0.5×1 = 0.3 kWQjs = Pjs× tg=0.3×1.33 = 0.4 kvar(32)、碘钨灯Kx =

23、0.6 Cos = 0.6 tg = 1.33Pjs = 0.6×0.5×1 = 0.3 kWQjs = Pjs× tg=0.3×1.33 = 0.4 kvar(33)、碘钨灯Kx = 0.6 Cos = 0.6 tg = 1.33Pjs = 0.6×0.5×1 = 0.3 kWQjs = Pjs× tg=0.3×1.33 = 0.4 kvar(34)、碘钨灯Kx = 0.6 Cos = 0.6 tg = 1.33Pjs = 0.6×0.5×1 = 0.3 kWQjs = Pjs× t

24、g=0.3×1.33 = 0.4 kvar(35)、碘钨灯Kx = 0.6 Cos = 0.6 tg = 1.33Pjs = 0.6×0.5×1 = 0.3 kWQjs = Pjs× tg=0.3×1.33 = 0.4 kvar(36)、碘钨灯Kx = 0.6 Cos = 0.6 tg = 1.33Pjs = 0.6×0.5×1 = 0.3 kWQjs = Pjs× tg=0.3×1.33 = 0.4 kvar(37)、碘钨灯Kx = 0.6 Cos = 0.6 tg = 1.33Pjs = 0.6

25、15;0.5×1 = 0.3 kWQjs = Pjs× tg=0.3×1.33 = 0.4 kvar(38)、碘钨灯Kx = 0.6 Cos = 0.6 tg = 1.33Pjs = 0.6×0.5×1 = 0.3 kWQjs = Pjs× tg=0.3×1.33 = 0.4 kvar(39)、碘钨灯Kx = 0.6 Cos = 0.6 tg = 1.33Pjs = 0.6×0.5×1 = 0.3 kWQjs = Pjs× tg=0.3×1.33 = 0.4 kvar(40)、碘钨灯K

26、x = 0.6 Cos = 0.6 tg = 1.33Pjs = 0.6×0.5×1 = 0.3 kWQjs = Pjs× tg=0.3×1.33 = 0.4 kvar(41)、塔式起重机Kx = 0.85 Cos = 0.6 tg = 1.33Pjs = 0.85×40 = 34 kWQjs = Pjs× tg=34×1.33 = 45.33 kvar(42)、混凝土输送泵Kx = 0.3 Cos = 0.7 tg = 1.02将Jc =40%统一换算到Jc1 =20%的额定容量Pn = 110kWPe = n×

27、(Jc/Jc1)1/2×Pn = 1×(0.4/0.2)1/2×110 = 155.56 kWPjs = Kx×Pe =0.3×155.56 = 46.67kWQjs = Pjs× tg=46.67×1.02 = 47.61 kvar(43)、闪光对焊Kx = 0.5 Cos = 0.4 tg = 2.29将Jc =50%统一换算到Jc1 =40%的额定容量Pn = 38.6kWPe = n×(Jc/Jc1)1/2×Pn = 1×(0.5/0.4)1/2×38.6 = 43.16 kW

28、Pjs = Kx×Pe =0.5×43.16 = 21.58kWQjs = Pjs× tg=21.58×2.29 = 49.44 kvar(44)、钢筋弯曲机Kx = 0.65 Cos = 0.7 tg = 1.02Pjs = 0.65×3 = 1.95 kWQjs = Pjs× tg=1.95×1.02 = 1.99 kvar(45)、钢筋弯曲机Kx = 0.65 Cos = 0.7 tg = 1.02Pjs = 0.65×3 = 1.95 kWQjs = Pjs× tg=1.95×1.02

29、= 1.99 kvar(46)、钢筋弯曲机Kx = 0.65 Cos = 0.7 tg = 1.02Pjs = 0.65×3 = 1.95 kWQjs = Pjs× tg=1.95×1.02 = 1.99 kvar(47)、钢筋切断机Kx = 0.65 Cos = 0.7 tg = 1.02Pjs = 0.65×7 = 4.55 kWQjs = Pjs× tg=4.55×1.02 = 4.64 kvar(48)、钢筋切断机Kx = 0.65 Cos = 0.7 tg = 1.02Pjs = 0.65×7 = 4.55 kWQ

30、js = Pjs× tg=4.55×1.02 = 4.64 kvar(49)、钢筋调直机Kx = 0.65 Cos = 0.7 tg = 1.02Pjs = 0.65×11 = 7.15 kWQjs = Pjs× tg=7.15×1.02 = 7.29 kvar(50)、电渣压力焊Kx = 0.7 Cos = 0.6 tg = 1.33将Jc =50%统一换算到Jc1 =25%的额定容量Pn = 26kWPe = n×(Jc/Jc1)1/2×Pn = 1×(0.5/0.25)1/2×26 = 36.77

31、kWPjs = Kx×Pe =0.7×36.77 = 25.74kWQjs = Pjs× tg=25.74×1.33 = 34.32 kvar(51)、插入式振动器Kx = 0.3 Cos = 0.7 tg = 1.02Pjs = 0.3×1.5 = 0.45 kWQjs = Pjs× tg=0.45×1.02 = 0.46 kvar(52)、插入式振动器Kx = 0.3 Cos = 0.7 tg = 1.02Pjs = 0.3×1.5 = 0.45 kWQjs = Pjs× tg=0.45×1

32、.02 = 0.46 kvar(53)、插入式振动器Kx = 0.3 Cos = 0.7 tg = 1.02Pjs = 0.3×1.5 = 0.45 kWQjs = Pjs× tg=0.45×1.02 = 0.46 kvar(54)、预留手动机械Kx = 0.5 Cos = 0.55 tg = 1.52Pjs = 0.5×1.5 = 0.75 kWQjs = Pjs× tg=0.75×1.52 = 1.14 kvar(55)、插入式振动器Kx = 0.3 Cos = 0.7 tg = 1.02Pjs = 0.3×1.5 =

33、0.45 kWQjs = Pjs× tg=0.45×1.02 = 0.46 kvar(56)、插入式振动器Kx = 0.3 Cos = 0.7 tg = 1.02Pjs = 0.3×1.5 = 0.45 kWQjs = Pjs× tg=0.45×1.02 = 0.46 kvar(57)、插入式振动器Kx = 0.3 Cos = 0.7 tg = 1.02Pjs = 0.3×1.5 = 0.45 kWQjs = Pjs× tg=0.45×1.02 = 0.46 kvar(58)、预留手动机械Kx = 0.5 Cos

34、= 0.55 tg = 1.52Pjs = 0.5×1.5 = 0.75 kWQjs = Pjs× tg=0.75×1.52 = 1.14 kvar(59)、电渣压力焊Kx = 0.7 Cos = 0.6 tg = 1.33将Jc =50%统一换算到Jc1 =40%的额定容量Pn = 26kWPe = n×(Jc/Jc1)1/2×Pn = 1×(0.5/0.4)1/2×26 = 29.07 kWPjs = Kx×Pe =0.7×29.07 = 20.35kWQjs = Pjs× tg=20.35

35、×1.33 = 27.13 kvar(60)、建筑施工外用电梯Kx = 0.85 Cos = 0.6 tg = 1.33Pjs = 0.85×11 = 9.35 kWQjs = Pjs× tg=9.35×1.33 = 12.47 kvar(61)、建筑施工外用电梯Kx = 0.85 Cos = 0.6 tg = 1.33Pjs = 0.85×11 = 9.35 kWQjs = Pjs× tg=9.35×1.33 = 12.47 kvar(62)、高压汞灯Kx = 0.6 Cos = 0.7 tg = 1.02Pjs = 0.

36、6×3×1.1 = 1.98 kWQjs = Pjs× tg=1.98×1.02 = 2.02 kvar(63)、高压汞灯Kx = 0.6 Cos = 0.7 tg = 1.02Pjs = 0.6×3×1.1 = 1.98 kWQjs = Pjs× tg=1.98×1.02 = 2.02 kvar(64)、碘钨灯Kx = 0.6 Cos = 0.6 tg = 1.33Pjs = 0.6×0.5×1 = 0.3 kWQjs = Pjs× tg=0.3×1.33 = 0.4 kv

37、ar(65)、碘钨灯Kx = 0.6 Cos = 0.6 tg = 1.33Pjs = 0.6×0.5×1 = 0.3 kWQjs = Pjs× tg=0.3×1.33 = 0.4 kvar(66)、碘钨灯Kx = 0.6 Cos = 0.6 tg = 1.33Pjs = 0.6×0.5×1 = 0.3 kWQjs = Pjs× tg=0.3×1.33 = 0.4 kvar(67)、碘钨灯Kx = 0.6 Cos = 0.6 tg = 1.33Pjs = 0.6×0.5×1 = 0.3 kWQj

38、s = Pjs× tg=0.3×1.33 = 0.4 kvar(68)、碘钨灯Kx = 0.6 Cos = 0.6 tg = 1.33Pjs = 0.6×0.5×1 = 0.3 kWQjs = Pjs× tg=0.3×1.33 = 0.4 kvar(69)、碘钨灯Kx = 0.6 Cos = 0.6 tg = 1.33Pjs = 0.6×0.5×1 = 0.3 kWQjs = Pjs× tg=0.3×1.33 = 0.4 kvar(70)、碘钨灯Kx = 0.6 Cos = 0.6 tg = 1

39、.33Pjs = 0.6×0.5×1 = 0.3 kWQjs = Pjs× tg=0.3×1.33 = 0.4 kvar(71)、碘钨灯Kx = 0.6 Cos = 0.6 tg = 1.33Pjs = 0.6×0.5×1 = 0.3 kWQjs = Pjs× tg=0.3×1.33 = 0.4 kvar(72)、碘钨灯Kx = 0.6 Cos = 0.6 tg = 1.33Pjs = 0.6×0.5×1 = 0.3 kWQjs = Pjs× tg=0.3×1.33 = 0.

40、4 kvar(73)、碘钨灯Kx = 0.6 Cos = 0.6 tg = 1.33Pjs = 0.6×0.5×1 = 0.3 kWQjs = Pjs× tg=0.3×1.33 = 0.4 kvar(74)总的计算负荷计算，总箱同期系数取 Kx = 0.9总的有功功率Pjs = Kx×Pjs = 0.9×(34+34+46.67+13.08+7.15+4.55+4.55+1.95+1.95+1.95+0.45+0.45+0.45+25.74+0.33+0.45+0.45+0.45+25.74+0.75+9.35+9.35+1.98+1

41、.98+1.98+1.98+0.3+0.3+0.3+0.3+0.3+0.3+0.3+0.3+0.3+0.3+0.3+0.3+0.3+0.3+34+46.67+21.58+1.95+1.95+1.95+4.55+4.55+7.15+25.74+0.45+0.45+0.45+0.75+0.45+0.45+0.45+0.75+20.35+9.35+9.35+1.98+1.98+0.3+0.3+0.3+0.3+0.3+0.3+0.3+0.3+0.3+0.3) = 392.6 kW总的无功功率Qjs = Kx×Qjs =0.9×(45.33+45.33+47.61+29.97+7.2

42、9+4.64+4.64+1.99+1.99+1.99+0.46+0.46+0.46+34.32+0.44+0.46+0.46+0.46+34.32+1.14+12.47+12.47+2.02+2.02+2.02+2.02+0.4+0.4+0.4+0.4+0.4+0.4+0.4+0.4+0.4+0.4+0.4+0.4+0.4+0.4+45.33+47.61+49.44+1.99+1.99+1.99+4.64+4.64+7.29+34.32+0.46+0.46+0.46+1.14+0.46+0.46+0.46+1.14+27.13+12.47+12.47+2.02+2.02+0.4+0.4+0.4

43、+0.4+0.4+0.4+0.4+0.4+0.4+0.4) = 510.092 kvar总的视在功率Sjs = ( Pjs2+Qjs2 )1/2 = (392.62+510.0922)1/2 = 643.684 kVA总的计算电流计算Ijs = Sjs/(1.732×Ue) = 643.684/(1.732×0.38) = 978.005 A3、1号干线线路上导线截面及分配箱、开关箱内电气设备选择:在选择前应对照平面图和系统图先由用电设备至开关箱计算，再由开关箱至分配箱计算，选择导线及开关设备。分配箱至开关箱，开关箱至用电设备的导线敷设采用铜橡皮绝缘导线。(1)、塔式起重机

44、开关箱至塔式起重机导线截面及开关箱内电气设备选择（开关箱以下用电器启动后需要系数取1）:i)计算电流Kx = 1 Cos = 0.6 tg = 1.33Ijs = Kx ×Pe /(1.732×Ue ×Cos) = 1×40/(1.732×0.38×0.6) = 101.29Aii)选择导线选择XV-4×35 ，直接埋地时其安全载流量为145A。iii)选择电气设备选择开关箱内隔离开关为DZ10-250/3 ，其脱扣器整定电流值为Ir = 200A，漏电保护器为 DZ10L-250/3。(2)、塔式起重机开关箱至塔式起重机导

45、线截面及开关箱内电气设备选择（开关箱以下用电器启动后需要系数取1）:i)计算电流Kx = 1 Cos = 0.6 tg = 1.33Ijs = Kx ×Pe /(1.732×Ue ×Cos) = 1×40/(1.732×0.38×0.6) = 101.29Aii)选择导线选择XV-4×35 ，直接埋地时其安全载流量为145A。iii)选择电气设备选择开关箱内隔离开关为DZ10-250/3 ，其脱扣器整定电流值为Ir = 200A，漏电保护器为 DZ10L-250/3。(3)、混凝土输送泵开关箱至混凝土输送泵导线截面及开关箱内

46、电气设备选择（开关箱以下用电器启动后需要系数取1）:i)计算电流Kx = 1 Cos = 0.7 tg = 1.02Ijs = Kx ×Pe /(1.732×Ue ×Cos) = 1×155.56/(1.732×0.38×0.7) = 337.66Aii)选择导线选择XV-4×185 ，直接埋地时其安全载流量为365A。iii)选择电气设备选择开关箱内隔离开关为DZ10-600/3 ，其脱扣器整定电流值为Ir = 480A。(4)、闪光对焊开关箱至闪光对焊导线截面及开关箱内电气设备选择（开关箱以下用电器启动后需要系数取1）:

47、i)计算电流Kx = 1 Cos = 0.4 tg = 2.29Ijs = Kx ×Pe /(1.732×Ue ×Cos) = 1×26.16/(1.732×0.38×0.4) = 99.38Aii)选择导线选择4*250 ，直接埋地时其安全载流量为1300A。iii)选择电气设备选择开关箱内隔离开关为DZ10-250/3 ，其脱扣器整定电流值为Ir = 200A，漏电保护器为 DZ15L-100/30。(5)、钢筋调直机开关箱至钢筋调直机导线截面及开关箱内电气设备选择（开关箱以下用电器启动后需要系数取1）:i)计算电流Kx = 1

48、Cos = 0.7 tg = 1.02Ijs = Kx ×Pe /(1.732×Ue ×Cos) = 1×11/(1.732×0.38×0.7) = 23.88Aii)选择导线选择XV-4×10 ，直接埋地时其安全载流量为71A。iii)选择电气设备选择开关箱内隔离开关为Hk1-30/3，漏电保护器为 DZ15L-100/30。(6)、钢筋切断机开关箱至钢筋切断机导线截面及开关箱内电气设备选择（开关箱以下用电器启动后需要系数取1）:i)计算电流Kx = 1 Cos = 0.7 tg = 1.02Ijs = Kx ×

49、Pe /(1.732×Ue ×Cos) = 1×7/(1.732×0.38×0.7) = 15.19Aii)选择导线选择XV-4×10 ，直接埋地时其安全载流量为71A。iii)选择电气设备选择开关箱内隔离开关为Hk1-30/3，漏电保护器为 DZ15L-100/30。(7)、钢筋切断机开关箱至钢筋切断机导线截面及开关箱内电气设备选择（开关箱以下用电器启动后需要系数取1）:i)计算电流Kx = 1 Cos = 0.7 tg = 1.02Ijs = Kx ×Pe /(1.732×Ue ×Cos) = 1&#

50、215;7/(1.732×0.38×0.7) = 15.19Aii)选择导线选择XV-4×10 ，直接埋地时其安全载流量为71A。iii)选择电气设备选择开关箱内隔离开关为Hk1-30/3，漏电保护器为 DZ15L-100/30。(8)、钢筋弯曲机开关箱至钢筋弯曲机导线截面及开关箱内电气设备选择（开关箱以下用电器启动后需要系数取1）:i)计算电流Kx = 1 Cos = 0.7 tg = 1.02Ijs = Kx ×Pe /(1.732×Ue ×Cos) = 1×3/(1.732×0.38×0.7) = 6.51Aii)选择导线选择XV-4×10 ，直接埋地时其安全载流量为71A。iii)选择电气设备选择开关箱内隔离开关为Hk1-15/3，漏电保护器为 DZ15L-100/30。(9)、钢筋弯曲机开关箱至钢筋弯曲机导线截面及开关箱内电气设备选择（开关箱以下用电器启动后需要系数取1）:i)计算电流Kx = 1 Cos = 0.7 tg = 1.02Ijs = Kx ×Pe /(1.732×Ue ×Cos) = 1×3/(1.732×0.38×0.7) = 6.51Aii)选择