《徐州某地产商务城B33地块临时用电(水)施工方案.docx》由会员分享，可在线阅读，更多相关《徐州某地产商务城B33地块临时用电(水)施工方案.docx（94页珍藏版）》请在三一办公上搜索。
1、徐州绿地商务城 B3-3 项目 临时用电（水）施工方案编制人：张国怀 谢应成 审核人：何建波 审批人：黄国强 上海绿地建筑工程有限公司 二零一四年十月十日目 录一、工程概况2二、编制依据2三、临时用电量统计3四、临时用电设计计算内容和步骤5五、绘制临时供电系统图 59六、安全用电技术措施 59七、安全用电防火措施 70八、电气设备的漏电保护措施 72九、电气接地与防雷措施 73十、电气设备的保养与维修 74十一、施工现场配电装置要求 74十二、临时用电安全要求 75十三、临时用水计算 75十四、附图 77施工现场临时用电（水）平面布置图- 5 -临时用电（水）施工方案一、工程概况工程名称：徐州
2、绿地商务城 B3-3 项目 工程地点：徐州市新城区市政府北侧 建设单位：绿地地产集团徐州新诚置业有限公司 设计单位：徐州久鼎工程设计咨询有限公司 监理单位：上海海达建设咨询有限公司 施工单位：上海绿地建筑工程有限公司绿地商务城为上海绿地集团徐州新诚置业有限公司投资兴建的大型商业住宅小 区，位于徐州市新城区昆仑大道以北，峨嵋路以南，汉风路以东，汉源大道以西，南面 隔昆仑大道与徐州市行政中心大楼相望，西南为大龙湖。该小区占地面积约 1400 亩，规划建筑面积约 200 万平方米，以高层、小高层及多层建筑为主。徐州绿地商务城 B3-3 地块项目，位于绿地商务城西北部，汉风路与太行路交叉路 口东南侧，
3、由 3 栋 22F 公寓楼、1 栋 4-5F 大型综合商业及地下车库组成，总建筑面积约 10.5 万平方米，其中 3#楼建筑高度 81.650 米。地下车库与上部楼房连接，土方开挖分 4 个施工段依次进行，施工现场相对比较 狭小。工地生活区域与施工现场分开设置，生活区位于施工现场西北侧，生活区临电管 线与施工现场分开设置。二、编制依据1、徐州绿地商务城 B3-3 地块项目总平面布置图2、本项目工程特点、施工现场实际情况、施工条件和自然条件的分析3、城市建筑电气设计施工手册4、施工现场临时用电安全技术规范（JGJ46-2005）5、低压配电设计规范GB50054-95 中国建筑工业出版社6、建筑
4、工程施工现场供电安全规范GB50194-937、通用用电设备配电设计规范GB50055-93 中国建筑工业出版社8、供配电系统设计规范GB50052-95 中国建筑工业出版社9、施工现场临时用电安全技术规范JGJ46-200510、建筑施工安全检查标准JGJ59-9911、三箱五线制的系统配图：三、临时用电量统计1号楼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TQ60/8070.2170.22建筑施工外用电梯SCD100/100A13.91113.913泥浆泵红星-30302604真空吸水泵改型泵 II 号5.515.55套丝切管机TQ-31116电动
5、液压弯管机WYQ1.111.17液压升降机YSF25-503138液压控制台YKT-367.517.59木工电刨MIB2-80/10.710.710木压刨板机MB104331311木工圆锯MJ10432612单面木工压刨机MB10331313插入式振动器ZX350.832.414平板式振动器ZB50.531.515混凝土振动台ZT-127.517.516钢筋调直机GT4/145.0615.0617钢筋弯曲机WJ403.7913.7918钢筋切断机QJ32-131319交流电焊机BX3-120-16.3616.3620直流电焊机AX1-165(AB-165)4.2428.482 号楼施工现场用电
6、量统计表序号机具名称型号安装功率(kW)数量合计功率(kW)21塔式起重机TQ60/8070.2170.222建筑施工外用电梯SCD100/100A13.91113.9123灰浆泵UB342824真空吸水泵改型泵 II 号5.515.525套丝切管机TQ-311126电动液压弯管机WYQ1.111.127液压升降机YSF25-5031328液压控制台YKT-367.517.529木压刨板机MB104331330木工圆锯MJ10432631单面木工压刨机MB1067.517.532插入式振动器ZX350.832.433平板式振动器ZB50.531.534混凝土振动台ZT-127.517.535钢
7、筋调直机GT4/145.0615.0636钢筋弯曲机WJ403.7913.7937钢筋切断机QJ32-131338交流电焊机BX3-120-16.3616.3639直流电焊机AX1-165(AB-165)4.2428.483 号楼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)40塔式起重机TQ60/8070.2170.241建筑施工外用电梯SCD100/100A13.91113.9142灰浆泵UB342843真空吸水泵HZX-4041444套丝切管机TQ-311145电动液压弯管机WYQ1.111.146液压升降机YSF25-5031347液压控制台YKT-367.5
8、17.548木工电刨MIB2-80/10.710.749木工圆锯MJ10432650单面木工压刨机MB10331351插入式振动器ZX350.832.452平板式振动器ZB50.531.553混凝土振动台ZT-127.517.554钢筋调直机GT4/145.0615.0655钢筋弯曲机WJ403.7913.7956钢筋切断机QJ32-131357交流电焊机BX3-120-16.3616.3658直流电焊机AX1-165(AB-165)4.2428.48地库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)59塔式起重机TQ60/8070.22140.460套丝切管机TQ-
9、311161电动液压弯管机WYQ1.111.162液压升降机YSF25-5031363液压控制台YKT-367.517.564真空吸水泵HZX-4041465泥浆泵红星-303013066木工电刨MIB2-80/10.710.767木工圆锯MJ10431368单面木工压刨机MB10331369插入式振动器ZX350.810.870平板式振动器ZB50.510.571混凝土振动台ZT-127.517.572钢筋调直机GT4/145.0615.0673钢筋弯曲机WJ403.7913.7974钢筋切断机QJ32-131375交流电焊机BX3-120-16.3616.3676直流电焊机AX1-165(
10、AB-165)4.2414.24办公区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)77饮水机0.6201278电脑0.35124.279复印机0.510.580打印机0.320.681空调0.9201882日光灯0.02400.883节能灯0.02200.4四、临时用电设计计算内容和步骤 1、现场勘探及初步设计: (1)本工程所在施工现场范围内无各种埋地管线。(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，采用导线穿钢管埋地敷设，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，两
11、级防护。 (4)按照JGJ46-2005规定制定施工组织设计，接地电阻R4。 2、导线截面选择:导线截面选择必须同时满足下列三个条件： (1)按导线的允许电流选择，该路的工作电流计算公式为I=K*PI/1.732*U*cos，按电压降选择，由线路长度查出容许相对电压损失，导线截面计算式为：S=L*P/C*%。(2)采用三相五线制380/220铜芯绝缘橡皮线供电时，C=77, =5%。 (3)按机械强度选择，根据规范，户外一般敷设绝缘铜芯橡皮电线，导线截面不得小于10 mm2。3、确定用电负荷: (1)、塔式起重机Kx=0.2; Cos = 0.60; tg = 1.33Pjs=0.255.5=
12、11.1KWQjs= Pjstg = 14.76kvar(2)、建筑施工外用电梯Kx=0.2; Cos = 0.60; tg = 1.33Pjs=0.211=2.2KWQjs= Pjstg = 2.93kvar(3)、泥浆泵Kx=0.75; Cos = 0.80; tg = 0.75Pjs=0.7560=45KWQjs= Pjstg = 33.75kvar(4)、真空吸水泵Kx=0.75; Cos = 0.80; tg = 0.75Pjs=0.755.5=4.125KWQjs= Pjstg = 3.09kvar(5)、套丝切管机Kx=0.3; Cos = 0.60; tg = 1.33Pjs=
13、0.31=0.3KWQjs= Pjstg = 0.4kvar(6)、电动液压弯管机Kx=0.3; Cos = 0.60; tg = 1.33Pjs=0.31.1=0.33KWQjs= Pjstg = 0.44kvar(7)、液压升降机Kx=0.3; Cos = 0.60; tg = 1.33Pjs=0.33=0.9KWQjs= Pjstg = 1.2kvar(8)、液压控制台- 6 -Kx=0.3; Cos = 0.60; tg = 1.33Pjs=0.37.5=2.25KWQjs= Pjstg = 2.99kvar(9)、木工电刨Kx=0.3; Cos = 0.60; tg = 1.33Pj
14、s=0.30.7=0.21KWQjs= Pjstg = 0.28kvar(10)、木压刨板机Kx=0.3; Cos = 0.60; tg = 1.33Pjs=0.33=0.9KWQjs= Pjstg = 1.2kvar(11)、木工圆锯Kx=0.3; Cos = 0.60; tg = 1.33Pjs=0.36=1.8KWQjs= Pjstg = 2.39kvar(12)、单面木工压刨机Kx=0.3; Cos = 0.60; tg = 1.33Pjs=0.33=0.9KWQjs= Pjstg = 1.2kvar(13)、插入式振动器Kx=0.3; Cos = 0.70; tg = 1.02Pjs
15、=0.32.4=0.72KWQjs= Pjstg = 0.73kvar(14)、平板式振动器Kx=0.3; Cos = 0.70; tg = 1.02Pjs=0.31.5=0.45KWQjs= Pjstg = 0.46kvar(15)、混凝土振动台Kx=0.3; Cos = 0.70; tg = 1.02Pjs=0.37.5=2.25KWQjs= Pjstg = 2.3kvar- 7 -(16)、钢筋调直机Kx=0.3; Cos = 0.70; tg = 1.02Pjs=0.34=1.2KWQjs= Pjstg = 1.22kvar(17)、钢筋弯曲机Kx=0.3; Cos = 0.70; t
16、g = 1.02Pjs=0.33=0.9KWQjs= Pjstg = 0.92kvar(18)、钢筋切断机Kx=0.3; Cos = 0.70; tg = 1.02Pjs=0.33=0.9KWQjs= Pjstg = 0.92kvar(19)、交流电焊机Kx=0.35; Cos = 0.40; tg = 2.29Pjs=0.359=3.15KWQjs= Pjstg = 7.21kvar(20)、直流电焊机Kx=0.35; Cos = 0.60; tg = 1.33Pjs=0.3512=4.2KWQjs= Pjstg = 5.59kvar(21)、塔式起重机Kx=0.2; Cos = 0.60;
17、 tg = 1.33Pjs=0.255.5=11.1KWQjs= Pjstg = 14.76kvar(22)、建筑施工外用电梯Kx=0.2; Cos = 0.60; tg = 1.33Pjs=0.211=2.2KWQjs= Pjstg = 2.93kvar(23)、灰浆泵Kx=0.75; Cos = 0.80; tg = 0.75Pjs=0.758=6KW- 8 -Qjs= Pjstg = 4.5kvar(24)、真空吸水泵Kx=0.75; Cos = 0.80; tg = 0.75Pjs=0.755.5=4.125KWQjs= Pjstg = 3.09kvar(25)、套丝切管机Kx=0.3
18、; Cos = 0.60; tg = 1.33Pjs=0.31=0.3KWQjs= Pjstg = 0.4kvar(26)、电动液压弯管机Kx=0.3; Cos = 0.60; tg = 1.33Pjs=0.31.1=0.33KWQjs= Pjstg = 0.44kvar(27)、液压升降机Kx=0.3; Cos = 0.60; tg = 1.33Pjs=0.33=0.9KWQjs= Pjstg = 1.2kvar(28)、液压控制台Kx=0.3; Cos = 0.60; tg = 1.33Pjs=0.37.5=2.25KWQjs= Pjstg = 2.99kvar(29)、木压刨板机Kx=0
19、.3; Cos = 0.60; tg = 1.33Pjs=0.33=0.9KWQjs= Pjstg = 1.2kvar(30)、木工圆锯Kx=0.3; Cos = 0.60; tg = 1.33Pjs=0.36=1.8KWQjs= Pjstg = 2.39kvar(31)、单面木工压刨机Kx=0.3; Cos = 0.60; tg = 1.33- 9 -Pjs=0.37.5=2.25KWQjs= Pjstg = 2.99kvar(32)、插入式振动器Kx=0.3; Cos = 0.70; tg = 1.02Pjs=0.32.4=0.72KWQjs= Pjstg = 0.73kvar(33)、平
20、板式振动器Kx=0.3; Cos = 0.70; tg = 1.02Pjs=0.31.5=0.45KWQjs= Pjstg = 0.46kvar(34)、混凝土振动台Kx=0.3; Cos = 0.70; tg = 1.02Pjs=0.37.5=2.25KWQjs= Pjstg = 2.3kvar(35)、钢筋调直机Kx=0.3; Cos = 0.70; tg = 1.02Pjs=0.34=1.2KWQjs= Pjstg = 1.22kvar(36)、钢筋弯曲机Kx=0.3; Cos = 0.70; tg = 1.02Pjs=0.33=0.9KWQjs= Pjstg = 0.92kvar(37
21、)、钢筋切断机Kx=0.3; Cos = 0.70; tg = 1.02Pjs=0.33=0.9KWQjs= Pjstg = 0.92kvar(38)、交流电焊机Kx=0.35; Cos = 0.40; tg = 2.29Pjs=0.359=3.15KWQjs= Pjstg = 7.21kvar(39)、直流电焊机- 10 -Kx=0.35; Cos = 0.60; tg = 1.33Pjs=0.3512=4.2KWQjs= Pjstg = 5.59kvar(40)、塔式起重机Kx=0.2; Cos = 0.60; tg = 1.33Pjs=0.255.5=11.1KWQjs= Pjstg =
22、 14.76kvar(41)、建筑施工外用电梯Kx=0.2; Cos = 0.60; tg = 1.33Pjs=0.211=2.2KWQjs= Pjstg = 2.93kvar(42)、灰浆泵Kx=0.75; Cos = 0.80; tg = 0.75Pjs=0.758=6KWQjs= Pjstg = 4.5kvar(43)、真空吸水泵Kx=0.75; Cos = 0.80; tg = 0.75Pjs=0.754=3KWQjs= Pjstg = 2.25kvar(44)、套丝切管机Kx=0.3; Cos = 0.60; tg = 1.33Pjs=0.31=0.3KWQjs= Pjstg = 0
23、.4kvar(45)、电动液压弯管机Kx=0.3; Cos = 0.60; tg = 1.33Pjs=0.31.1=0.33KWQjs= Pjstg = 0.44kvar(46)、液压升降机Kx=0.3; Cos = 0.60; tg = 1.33Pjs=0.33=0.9KWQjs= Pjstg = 1.2kvar- 11 -(47)、液压控制台Kx=0.3; Cos = 0.60; tg = 1.33Pjs=0.37.5=2.25KWQjs= Pjstg = 2.99kvar(48)、木工电刨Kx=0.3; Cos = 0.60; tg = 1.33Pjs=0.30.7=0.21KWQjs=
24、 Pjstg = 0.28kvar(49)、木工圆锯Kx=0.3; Cos = 0.60; tg = 1.33Pjs=0.36=1.8KWQjs= Pjstg = 2.39kvar(50)、单面木工压刨机Kx=0.3; Cos = 0.60; tg = 1.33Pjs=0.33=0.9KWQjs= Pjstg = 1.2kvar(51)、插入式振动器Kx=0.3; Cos = 0.70; tg = 1.02Pjs=0.32.4=0.72KWQjs= Pjstg = 0.73kvar(52)、平板式振动器Kx=0.3; Cos = 0.70; tg = 1.02Pjs=0.31.5=0.45KW
25、Qjs= Pjstg = 0.46kvar(53)、混凝土振动台Kx=0.3; Cos = 0.70; tg = 1.02Pjs=0.37.5=2.25KWQjs= Pjstg = 2.3kvar(54)、钢筋调直机Kx=0.3; Cos = 0.70; tg = 1.02Pjs=0.34=1.2KW- 12 -Qjs= Pjstg = 1.22kvar(55)、钢筋弯曲机Kx=0.3; Cos = 0.70; tg = 1.02Pjs=0.33=0.9KWQjs= Pjstg = 0.92kvar(56)、钢筋切断机Kx=0.3; Cos = 0.70; tg = 1.02Pjs=0.33=
26、0.9KWQjs= Pjstg = 0.92kvar(57)、交流电焊机Kx=0.35; Cos = 0.40; tg = 2.29Pjs=0.359=3.15KWQjs= Pjstg = 7.21kvar(58)、直流电焊机Kx=0.35; Cos = 0.60; tg = 1.33Pjs=0.3512=4.2KWQjs= Pjstg = 5.59kvar(59)、塔式起重机Kx=0.2; Cos = 0.60; tg = 1.33Pjs=0.2111=22.2KWQjs= Pjstg = 29.53kvar(60)、套丝切管机Kx=0.3; Cos = 0.60; tg = 1.33Pjs
27、=0.31=0.3KWQjs= Pjstg = 0.4kvar(61)、电动液压弯管机Kx=0.3; Cos = 0.60; tg = 1.33Pjs=0.31.1=0.33KWQjs= Pjstg = 0.44kvar(62)、液压升降机Kx=0.3; Cos = 0.60; tg = 1.33- 13 -Pjs=0.33=0.9KWQjs= Pjstg = 1.2kvar(63)、液压控制台Kx=0.3; Cos = 0.60; tg = 1.33Pjs=0.37.5=2.25KWQjs= Pjstg = 2.99kvar(64)、真空吸水泵Kx=0.75; Cos = 0.80; tg
28、= 0.75Pjs=0.754=3KWQjs= Pjstg = 2.25kvar(65)、泥浆泵Kx=0.75; Cos = 0.80; tg = 0.75Pjs=0.7530=22.5KWQjs= Pjstg = 16.88kvar(66)、木工电刨Kx=0.3; Cos = 0.60; tg = 1.33Pjs=0.30.7=0.21KWQjs= Pjstg = 0.28kvar(67)、木工圆锯Kx=0.3; Cos = 0.60; tg = 1.33Pjs=0.33=0.9KWQjs= Pjstg = 1.2kvar(68)、单面木工压刨机Kx=0.3; Cos = 0.60; tg
29、= 1.33Pjs=0.33=0.9KWQjs= Pjstg = 1.2kvar(69)、插入式振动器Kx=0.3; Cos = 0.70; tg = 1.02Pjs=0.30.8=0.24KWQjs= Pjstg = 0.24kvar(70)、平板式振动器- 14 -Kx=0.3; Cos = 0.70; tg = 1.02Pjs=0.30.5=0.15KWQjs= Pjstg = 0.15kvar(71)、混凝土振动台Kx=0.3; Cos = 0.70; tg = 1.02Pjs=0.37.5=2.25KWQjs= Pjstg = 2.3kvar(72)、钢筋调直机Kx=0.3; Cos
30、 = 0.70; tg = 1.02Pjs=0.34=1.2KWQjs= Pjstg = 1.22kvar(73)、钢筋弯曲机Kx=0.3; Cos = 0.70; tg = 1.02Pjs=0.33=0.9KWQjs= Pjstg = 0.92kvar(74)、钢筋切断机Kx=0.3; Cos = 0.70; tg = 1.02Pjs=0.33=0.9KWQjs= Pjstg = 0.92kvar(75)、交流电焊机Kx=0.35; Cos = 0.40; tg = 2.29Pjs=0.359=3.15KWQjs= Pjstg = 7.21kvar(76)、直流电焊机Kx=0.35; Cos
31、 = 0.60; tg = 1.33Pjs=0.356=2.1KWQjs= Pjstg = 2.79kvar(77)、饮水机Kx=0.5; Cos = 0.90; tg = 0.48Pjs=0.512=6KWQjs= Pjstg = 2.88kvar- 16 -(78)、电脑Kx=0.5; Cos = 0.70; tg = 1.02Pjs=0.54.2=2.1KWQjs= Pjstg = 2.14kvar(79)、复印机Kx=0.3; Cos = 0.80; tg = 0.75Pjs=0.30.5=0.15KWQjs= Pjstg = 0.11kvar(80)、打印机Kx=0.2; Cos =
32、 0.80; tg = 0.75Pjs=0.20.6=0.12KWQjs= Pjstg = 0.09kvar(81)、空调Kx=0.6; Cos = 0.70; tg = 1.02Pjs=0.618=10.8KWQjs= Pjstg = 11.02kvar(82)、日光灯Kx=0.4; Cos = 0.90; tg = 0.48Pjs=0.40.8=0.32KWQjs= Pjstg = 0.15kvar(83)、节能灯Kx=0.4; Cos = 0.90; tg = 0.48Pjs=0.40.4=0.16KWQjs= Pjstg = 0.08kvar (84)、总的计算负荷计算 总的有功功率P
33、js= KxPjs = 0.85 (11.1+2.2+45+4.125+0.3+0.33+0.9+2.25+0.21+0.9+1.8+0.9+0.72+0.45+2.25+1.2+0.9+0.9+3.15+4.2+11.1+2.2+6+4.125+0.3+0.33+0.9+2.25+0.9+1.8+2.25+0.72+0.45+2.25+1.2+0.9+0.9+3.15+4.2+11.1+2.2+6+3+0.3+0.33+0.9+2.25+0.21+1.8+0.9+0.72+0.45+2.25+1.2+0.9+0.9+3.15+4.2+22.2+0.3+0.33+0.9+2.25+3+22.5
34、+0.21+0.9+0.9+0.24+0.15+2.25+1.2+0.9+0.9+3.15+2.1+6+2.1+0.15+0.12+10.8+0.32+0.16) = 218.03总的无功功率Qjs= KxQjs = 0.95 (14.76+2.93+33.75+3.09+0.4+0.44+1.2+2.99+0.28+1.2+2.39+1.2+0.73+0.46+2.3+1.22+0.92+0.92+7.21+5.59+14.76+2.93+4.5+3.09+0.4+0.44+1.2+2.99+1.2+2.39+2.99+0.73+0.46+2.3+1.22+0.92+0.92+7.21+5.
35、59+14.76+2.93+4.5+2.25+0.4+0.44+1.2+2.99+0.28+2.39+1.2+0.73+0.46+2.3+1.22+0.92+0.92+7.21+5.59+29.53+0.4+0.44+1.2+2.99+2.25+16.88+0.28+1.2+1.2+0.24+0.15+2.3+1.22+0.92+0.92+7.21+2.79+2.88+2.14+0.11+0.09+11.02+0.15+0.08) = 267.42总的视在功率- 17 -jsSjs=(Pjs2 + Q 2)1/2= (218.032+ 267.422)1/2= 345.04KVA总的计算电流计
36、算Ijs=Sjs/(1.732Ue = 345.04/(1.7320.38) = 524.25A4、1号楼总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穿焊接钢管,室外架空铜导线按机械强度的最小截面为10mm2，由于这部分距离较短，因此不考虑电压降， 只按安全载流量选择导线截面。 (1)、塔式起重机开关箱至塔式起重机的导线截面及开关箱内电气设备选择（开关箱以下机械启动需要系数取1）: i)计算电流Kx = 1; Cos= 0.60
37、; tg = 1.33Ijs = KxPe/(1.732UeCos) = 170.20/(1.7320.380.60) = 177.77Aii)选择导线选择 BX-370+135，穿焊接钢管时其安全载流量为193.00A。 iii)选择电气设备选择开关箱内开关为DZ10-250/3(断) 漏电保护器为DZ15L-200/3(漏)。(2)、建筑施工外用电梯开关箱至建筑施工外用电梯的导线截面及开关箱内电气设 备选择（开关箱以下机械启动需要系数取1）:i)计算电流Kx = 1; Cos= 0.60; tg = 1.33Ijs = KxPe/(1.732UeCos) = 113.91/(1.7320.
38、380.60) = 35.22Aii)选择导线选择 BX-36+14iii)选择电气设备 选择开关箱内开关为DZ5-50/3(断) 漏电保护器为DZ15L-40/3(漏)。(3)、泥浆泵开关箱至泥浆泵的导线截面及开关箱内电气设备选择（开关箱以下机 械启动需要系数取1）:i)计算电流Kx = 1; Cos= 0.80; tg = 0.75Ijs = KxPe/(1.732UeCos) = 130.00/(1.7320.380.80) = 56.98Aii)选择导线选择 BX-310+16iii)选择电气设备 由于开关控制2台机械，开关的电流为Ir=56.982(台数)=113.96A。 选择开关
39、箱内开关为DZ10-250/3(断)漏电保护器为DZ15L-200/3(漏)。 (4)、真空吸水泵开关箱至真空吸水泵的导线截面及开关箱内电气设备选择（开关箱以下机械启动需要系数取1）: i)计算电流Kx = 1; Cos= 0.80; tg = 0.75Ijs = KxPe/(1.732UeCos) = 15.50/(1.7320.380.80) = 10.45Aii)选择导线选择 BX-31+10.75iii)选择电气设备 选择开关箱内开关为DZ5-20/3(断) 漏电保护器为DZ10L-100/3(漏)。(5)、套丝切管机开关箱至套丝切管机的导线截面及开关箱内电气设备选择（开关 箱以下机械
40、启动需要系数取1）:- 19 -i)计算电流Kx = 1; Cos= 0.60; tg = 1.33Ijs = KxPe/(1.732UeCos) = 11.00/(1.7320.380.60) = 2.53Aii)选择导线选择 BX-31+10.75iii)选择电气设备 选择开关箱内开关为HK1-15/3(隔) 漏电保护器为DZ10L-100/3(漏)。(6)、电动液压弯管机开关箱至电动液压弯管机的导线截面及开关箱内电气设备选 择（开关箱以下机械启动需要系数取1）:i)计算电流Kx = 1; Cos= 0.60; tg = 1.33Ijs = KxPe/(1.732UeCos) = 11.10/(1.7320.380.60) = 2.79Aii)选择导线选择 BX-31+10.75iii)选择电气设备 选择开关箱内开关为HK1-15/3(隔) 漏电保护器为DZ10L-100/3(漏)。(7)、液压升降机开关箱至液压升降机的导线截面及开关箱内电气设备选择（开关 箱以下机械启动需要系数取1）:i)计算电流Kx = 1; Cos= 0.60; tg = 1.33Ijs = KxPe/(1.732UeCos) = 13.00/(1.7320.380.60) = 7.6Aii)选择导线选择 BX-31+10.75iii)选择电气
