厂房施工现场临时用电施工方案9708.docx

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1、富士康科技集团兰考园区G11厂房施工现场临时用电施工方案 编制: 审核： 山山西省宏宏图建设设集团有有限公司司 20117年33月5日日目 录第一章 工工程概况况41.1 工工程信息息41.2 临临电概况况4第二章 编编制依据据4第三章 施施工现场场临时用用电平面面布置图图5第四章 临临时用电电设计54.1 现现场勘探探及初步步设计54.2 施施工现场场用电量量统计表表54.2.11 总配配箱统计计表54.3 供供电系统统结构表表74.3.11 总配配箱结构构表74.4 确确定用电电负荷84.4.11 总配配箱用电电负荷84.5 选选择变压压器164.6 选选择总箱箱的进线线截面及及进线开开关

2、164.6.11 总配配箱进线线164.7 干干1线路路上导线线截面及及分配箱箱、开关关箱内电电气设备备选择174.8 干干2线路路上导线线截面及及分配箱箱、开关关箱内电电气设备备选择234.9 干干3线路路上导线线截面及及分配箱箱、开关关箱内电电气设备备选择304.10 干4线线路上导导线截面面及分配配箱、开开关箱内内电气设设备选择择364.11 干5线线路上导导线截面面及分配配箱、开开关箱内内电气设设备选择择404.12 绘制临临时供电电施工图图44总配箱 - 供电电系统图图44第五章 安安全用电电技术措措施485.1 安安全用电电技术措措施495.2 安安全用电电组织措措施585.3 自

3、自备电源源的安全全技术要要求585.4 外外电防护护的安全全技术要要求60第六章 安安全用电电防火措措施616.1 施施工现场场发生火火灾的主主要原因因616.2 预预防电气气火灾的的措施61第七章 现现场安全全技术档档案63第八章 安安全距离离与外电电防护63第九章 现现场临时时用电管管理制度度64第十章 安安全、文文明施工工65第十一章 触电事事故的应应急处理理66第一章 工工程概况况1.1 工工程信息息工程名称：富士康康科技集集团兰考考园区GG11厂厂房工程地址：济阳路路与清源源路交叉叉路口结构类型：框架结结构计划工期：1800天施工面积：198858.05总高度：221.11层数：3标

4、准层高：6.551.2 临临电概况况 本本工程施施工现场场临时用用电总电电源由建建设单位位提供，一一台2442.556 KKVA的的变压器器，从变变压器引引入施工工现场的的总配箱箱，再从从总配箱箱引出共共5条干干线到各各个分配配电箱，最最后由各各分配电电箱引出出分线到到各开关关箱，为为整个施施工现场场供电。施施工现场场临时用用电配电电线路按按照国家家相关规规范要求求以及现现场场地地的实际际情况进进行敷设设。第二章 编编制依据据1、施工工现场临临时用电电安全技技术规范范JGGJ466-200052、建筑筑工程施施工现场场供电安安全规范范GBB501194-201143、低压压配电设设计规范范GB

5、B500054-201114、通用用用电设设备配电电设计规规范GGB5000555-200115、供配配电系统统设计规规范GGB5000522-200096、建筑筑施工安安全检查查标准JJGJ559-2201117、建筑筑施工计计算手册册第三章 施施工现场场临时用用电平面面布置图图第四章 临临时用电电设计4.1 现现场勘探探及初步步设计(1) 本本工程所所在施工工现场范范围内无无各种埋埋地管线线。(2) 现现场采用用3800V低压压供电，设设1个配配电总箱箱，内有有计量设设备，采采用TNN-S系系统供电电。(3) 根根据施工工现场用用电设备备布置情情况，总总线0采采用电缆缆线空气气明敷，干干1

6、采用用电缆线线埋地敷敷设，干干2采用用电缆线线埋地敷敷设，干干3采用用电缆线线埋地敷敷设，干干4采用用电缆线线埋地敷敷设，干干5采用用电缆线线埋地敷敷设，分分1采用用电缆线线空气明明敷，分分2采用用电缆线线空气明明敷，分分3采用用电缆线线空气明明敷，分分4采用用电缆线线空气明明敷，分分5采用用电缆线线空气明明敷，分分6采用用电缆线线空气明明敷，分分7采用用电缆线线空气明明敷，分分8采用用电缆线线空气明明敷,布布置位置置及线路路走向参参见临时时配电系系统图及及现场平平面图，采采用三级级配电，两两极防护护。4.2 施施工现场场用电量量统计表表4.2.11 总配配箱统计计表序号设备名称铭牌功率(kW

7、)安装功率(kW)数量合计功率(kW)1钢筋弯曲机机_GWW403.003.0026.002直流电焊机机_AXX1-1165(AB-1655)6.00kkVA1.7123.423交流电焊机机_BXX3-1120-19.00kkVA2.5612.564钢筋调直切切断机_GT44/1444.004.0014.005钢筋切断机机5.505.50211.0006钢筋调直切切断机_GT66/14411.00011.000222.0007圆盘锯5.005.0015.008砂轮锯2.002.00510.0009插入式振动动器_ZZX500C1.101.1033.3010平板振动器器2.502.5012.50

8、11水泵3.003.0013.0012塔式起重机机_QTT40(TQ22-6)48.00060.7223182.11613套丝切管机机_TQQ-31.001.0011.0014电动液压弯弯管机_WYQQ1.101.1011.1015蛙式夯机2.802.8038.4016灰浆搅拌机机_UJJ32553.003.0013.0017地面磨光机机_DMM-6000.400.4010.4018警卫照明(10000W/km)5.005.0015.0019混凝土浇筑筑照明1.001.0022.0020车辆人行主主干道照照明2.002.0012.0021砖石工程照照明1.201.2011.2022设备堆放照照

9、明0.800.8010.8023半成品堆放放照明0.800.8010.8024钢筋室外加加工照明明8.008.00216.00025木材加工锯锯木照明明5.005.0015.0026木材加工模模板照明明8.008.0018.0027合计309.6644.3 供供电系统统结构表表4.3.11 总配配箱结构构表总配箱干1分1钢筋弯曲机机_GWW40开开关箱钢筋弯曲机机_GWW40钢筋弯曲机机_GWW40开开关箱钢筋弯曲机机_GWW40直流电焊机机_AXX1-1165(AB-1655)开关关箱直流电焊机机_AXX1-1165(AB-1655)直流电焊机机_AXX1-1165(AB-1655)开关关箱

10、直流电焊机机_AXX1-1165(AB-1655)交流电焊机机_BXX3-1120-1开关关箱交流电焊机机_BXX3-1120-1分2钢筋调直切切断机_GT44/144开关箱箱钢筋调直切切断机_GT44/144钢筋切断机机开关箱箱钢筋切断机机钢筋切断机机开关箱箱钢筋切断机机钢筋调直切切断机_GT66/144开关箱箱钢筋调直切切断机_GT66/144钢筋调直切切断机_GT66/144开关箱箱钢筋调直切切断机_GT66/144干2分3圆盘锯开关关箱圆盘锯砂轮锯开关关箱砂轮锯砂轮锯开关关箱砂轮锯砂轮锯开关关箱砂轮锯砂轮锯开关关箱砂轮锯砂轮锯开关关箱砂轮锯分4插入式振动动器_ZZX500C开关关箱插入

11、式振动动器_ZZX500C插入式振动动器_ZZX500C开关关箱插入式振动动器_ZZX500C插入式振动动器_ZZX500C开关关箱插入式振动动器_ZZX500C平板振动器器开关箱箱平板振动器器水泵开关箱箱水泵干3分5塔式起重机机_QTT40(TQ22-6)开关箱箱塔式起重机机_QTT40(TQ22-6)塔式起重机机_QTT40(TQ22-6)开关箱箱塔式起重机机_QTT40(TQ22-6)塔式起重机机_QTT40(TQ22-6)开关箱箱塔式起重机机_QTT40(TQ22-6)分6套丝切管机机_TQQ-3开开关箱套丝切管机机_TQQ-3电动液压弯弯管机_WYQQ开关箱箱电动液压弯弯管机_WYQ

12、Q蛙式夯机开开关箱蛙式夯机蛙式夯机开开关箱蛙式夯机蛙式夯机开开关箱蛙式夯机灰浆搅拌机机_UJJ3255开关箱箱灰浆搅拌机机_UJJ3255地面磨光机机_DMM-600开关箱箱地面磨光机机_DMM-600干4分7警卫照明(10000W/km)开关箱箱警卫照明(10000W/km)混凝土浇筑筑照明开开关箱混凝土浇筑筑照明车辆人行主主干道照照明开关关箱车辆人行主主干道照照明砖石工程照照明开关关箱砖石工程照照明设备堆放照照明开关关箱设备堆放照照明半成品堆放放照明开开关箱半成品堆放放照明混凝土浇筑筑照明开开关箱混凝土浇筑筑照明干5分8钢筋室外加加工照明明开关箱箱钢筋室外加加工照明明钢筋室外加加工照明明开

13、关箱箱钢筋室外加加工照明明木材加工锯锯木照明明开关箱箱木材加工锯锯木照明明木材加工模模板照明明开关箱箱木材加工模模板照明明4.4 确确定用电电负荷4.4.11 总配配箱用电电负荷(1)钢筋筋弯曲机机_GWW40组组Kx = 0.770，CCos = 0.440，ttg = 2.229Pjs = KxxPe = 0.770 3.00 = 22.100kWQjs = Pjjstg = 2.110 2.29 = 44.811kVaar(2)钢筋筋弯曲机机_GWW40组组Kx = 0.770，CCos = 0.440，ttg = 2.229Pjs = KxxPe = 0.770 3.00 = 22.1

14、00kWQjs = Pjjstg = 2.110 2.29 = 44.811kVaar(3)直流流电焊机机_AXX1-1165(AB-1655)组Kx = 0.445，CCos = 0.445，ttg = 1.998将Jc = 400%统一一换算到到Jc = 1000%的额额定容量量Pe = n(Jc/Jc11)1/22Pn = 1(0.40/1.000)11/22.770 = 1.71kkWPjs = KxxPe = 0.445 1.71 = 00.777kWQjs = Pjjstg = 0.777 1.98 = 11.522kVaar(4)直流流电焊机机_AXX1-1165(AB-1655

15、)组Kx = 0.445，CCos = 0.445，ttg = 1.998将Jc = 400%统一一换算到到Jc = 1000%的额额定容量量Pe = n(Jc/Jc11)1/22Pn = 1(0.40/1.000)11/22.770 = 1.71kkWPjs = KxxPe = 0.445 1.71 = 00.777kWQjs = Pjjstg = 0.777 1.98 = 11.522kVaar(5)交流流电焊机机_BXX3-1120-1组Kx = 0.445，CCos = 0.445，ttg = 1.998将Jc = 400%统一一换算到到Jc = 1000%的额额定容量量Pe = n(

16、Jc/Jc11)1/22Pn = 1(0.40/1.000)11/24.005 = 2.56kkWPjs = KxxPe = 0.445 2.56 = 11.155kWQjs = Pjjstg = 1.115 1.98 = 22.299kVaar(6)钢筋筋调直切切断机_GT44/144组Kx = 0.770，CCos = 0.440，ttg = 2.229Pjs = KxxPe = 0.770 4.00 = 22.800kWQjs = Pjjstg = 2.880 2.29 = 66.422kVaar(7)钢筋筋切断机机组Kx = 0.770，CCos = 0.440，ttg = 2.229

17、Pjs = KxxPe = 0.770 5.50 = 33.855kWQjs = Pjjstg = 3.885 2.29 = 88.822kVaar(8)钢筋筋切断机机组Kx = 0.770，CCos = 0.440，ttg = 2.229Pjs = KxxPe = 0.770 5.50 = 33.855kWQjs = Pjjstg = 3.885 2.29 = 88.822kVaar(9)钢筋筋调直切切断机_GT66/144组Kx = 0.770，CCos = 0.440，ttg = 2.229Pjs = KxxPe = 0.770 111.000 = 7.770kWWQjs = Pjjst

18、g = 7.770 2.29 = 117.664kVVar(10)钢钢筋调直直切断机机_GTT6/114组Kx = 0.770，CCos = 0.440，ttg = 2.229Pjs = KxxPe = 0.770 111.000 = 7.770kWWQjs = Pjjstg = 7.770 2.29 = 117.664kVVar(11)圆圆盘锯组组Kx = 0.770，CCos = 0.770，ttg = 1.002Pjs = KxxPe = 0.770 5.00 = 33.500kWQjs = Pjjstg = 3.550 1.02 = 33.577kVaar(12)砂砂轮锯组组Kx =

19、0.770，CCos = 0.770，ttg = 1.002Pjs = KxxPe = 0.770 2.00 = 11.400kWQjs = Pjjstg = 1.440 1.02 = 11.433kVaar(13)砂砂轮锯组组Kx = 0.770，CCos = 0.770，ttg = 1.002Pjs = KxxPe = 0.770 2.00 = 11.400kWQjs = Pjjstg = 1.440 1.02 = 11.433kVaar(14)砂砂轮锯组组Kx = 0.770，CCos = 0.770，ttg = 1.002Pjs = KxxPe = 0.770 2.00 = 11.40

20、0kWQjs = Pjjstg = 1.440 1.02 = 11.433kVaar(15)砂砂轮锯组组Kx = 0.770，CCos = 0.770，ttg = 1.002Pjs = KxxPe = 0.770 2.00 = 11.400kWQjs = Pjjstg = 1.440 1.02 = 11.433kVaar(16)砂砂轮锯组组Kx = 0.770，CCos = 0.770，ttg = 1.002Pjs = KxxPe = 0.770 2.00 = 11.400kWQjs = Pjjstg = 1.440 1.02 = 11.433kVaar(17)插插入式振振动器_ZX550C组

21、组Kx = 0.770，CCos = 0.668，ttg = 1.008Pjs = KxxPe = 0.770 1.10 = 00.777kWQjs = Pjjstg = 0.777 1.08 = 00.833kVaar(18)插插入式振振动器_ZX550C组组Kx = 0.770，CCos = 0.668，ttg = 1.008Pjs = KxxPe = 0.770 1.10 = 00.777kWQjs = Pjjstg = 0.777 1.08 = 00.833kVaar(19)插插入式振振动器_ZX550C组组Kx = 0.770，CCos = 0.668，ttg = 1.008Pjs

22、= KxxPe = 0.770 1.10 = 00.777kWQjs = Pjjstg = 0.777 1.08 = 00.833kVaar(20)平平板振动动器组Kx = 0.770，CCos = 0.668，ttg = 1.008Pjs = KxxPe = 0.770 2.50 = 11.755kWQjs = Pjjstg = 1.775 1.08 = 11.899kVaar(21)水水泵组Kx = 0.770，CCos = 0.770，ttg = 1.002Pjs = KxxPe = 0.770 3.00 = 22.100kWQjs = Pjjstg = 2.110 1.02 = 22.

23、144kVaar(22)塔塔式起重重机_QQT400(TQQ2-66)组Kx = 0.330，CCos = 0.770，ttg = 1.002将Jc = 400%统一一换算到到Jc = 25%的额定定容量Pe = n(Jc/Jc11)1/22Pn = 1(0.40/0.225)11/248.00 = 660.772kWWPjs = KxxPe = 0.330 600.722 = 18.21kkWQjs = Pjjstg = 18.21 1.02 = 118.558kVVar(23)塔塔式起重重机_QQT400(TQQ2-66)组Kx = 0.330，CCos = 0.770，ttg = 1.0

24、02将Jc = 400%统一一换算到到Jc = 25%的额定定容量Pe = n(Jc/Jc11)1/22Pn = 1(0.40/0.225)11/248.00 = 660.772kWWPjs = KxxPe = 0.330 600.722 = 18.21kkWQjs = Pjjstg = 18.21 1.02 = 118.558kVVar(24)塔塔式起重重机_QQT400(TQQ2-66)组Kx = 0.330，CCos = 0.770，ttg = 1.002将Jc = 400%统一一换算到到Jc = 25%的额定定容量Pe = n(Jc/Jc11)1/22Pn = 1(0.40/0.225

25、)11/248.00 = 660.772kWWPjs = KxxPe = 0.330 600.722 = 18.21kkWQjs = Pjjstg = 18.21 1.02 = 118.558kVVar(25)套套丝切管管机_TTQ-33组Kx = 0.770，CCos = 0.770，ttg = 1.002Pjs = KxxPe = 0.770 1.00 = 00.700kWQjs = Pjjstg = 0.770 1.02 = 00.711kVaar(26)电电动液压压弯管机机_WYYQ组Kx = 0.770，CCos = 0.770，ttg = 1.002Pjs = KxxPe = 0.

26、770 1.10 = 00.777kWQjs = Pjjstg = 0.777 1.02 = 00.799kVaar(27)蛙蛙式夯机机组Kx = 0.770，CCos = 0.770，ttg = 1.002Pjs = KxxPe = 0.770 2.80 = 11.966kWQjs = Pjjstg = 1.996 1.02 = 22.000kVaar(28)蛙蛙式夯机机组Kx = 0.770，CCos = 0.770，ttg = 1.002Pjs = KxxPe = 0.770 2.80 = 11.966kWQjs = Pjjstg = 1.996 1.02 = 22.000kVaar(2

27、9)蛙蛙式夯机机组Kx = 0.770，CCos = 0.770，ttg = 1.002Pjs = KxxPe = 0.770 2.80 = 11.966kWQjs = Pjjstg = 1.996 1.02 = 22.000kVaar(30)灰灰浆搅拌拌机_UUJ3225组Kx = 0.770，CCos = 0.770，ttg = 1.002Pjs = KxxPe = 0.770 3.00 = 22.100kWQjs = Pjjstg = 2.110 1.02 = 22.144kVaar(31)地地面磨光光机_DDM-660组Kx = 0.770，CCos = 0.770，ttg = 1.0

28、02Pjs = KxxPe = 0.770 0.40 = 00.288kWQjs = Pjjstg = 0.228 1.02 = 00.299kVaar(32)警警卫照明明(10000WW/kmm)组Kx = 1.000，CCos = 1.000，ttg = 0Pjs = KxxPe = 1.000 5.00 = 55.000kWQjs = Pjjstg = 5.000 0 = 00.000kVaar(33)混混凝土浇浇筑照明明组Kx = 1.000，CCos = 1.000，ttg = 0Pjs = KxxPe = 1.000 1.00 = 11.000kWQjs = Pjjstg = 1.

29、000 0 = 00.000kVaar(34)车车辆人行行主干道道照明组组Kx = 1.000，CCos = 1.000，ttg = 0Pjs = KxxPe = 1.000 2.00 = 22.000kWQjs = Pjjstg = 2.000 0 = 00.000kVaar(35)砖砖石工程程照明组组Kx = 1.000，CCos = 1.000，ttg = 0Pjs = KxxPe = 1.000 1.20 = 11.200kWQjs = Pjjstg = 1.220 0 = 00.000kVaar(36)设设备堆放放照明组组Kx = 1.000，CCos = 1.000，ttg = 0

30、Pjs = KxxPe = 1.000 0.80 = 00.800kWQjs = Pjjstg = 0.880 0 = 00.000kVaar(37)半半成品堆堆放照明明组Kx = 1.000，CCos = 1.000，ttg = 0Pjs = KxxPe = 1.000 0.80 = 00.800kWQjs = Pjjstg = 0.880 0 = 00.000kVaar(38)混混凝土浇浇筑照明明组Kx = 1.000，CCos = 1.000，ttg = 0Pjs = KxxPe = 1.000 1.00 = 11.000kWQjs = Pjjstg = 1.000 0 = 00.000

31、kVaar(39)钢钢筋室外外加工照照明组Kx = 1.000，CCos = 1.000，ttg = 0Pjs = KxxPe = 1.000 8.00 = 88.000kWQjs = Pjjstg = 8.000 0 = 00.000kVaar(40)钢钢筋室外外加工照照明组Kx = 1.000，CCos = 1.000，ttg = 0Pjs = KxxPe = 1.000 8.00 = 88.000kWQjs = Pjjstg = 8.000 0 = 00.000kVaar(41)木木材加工工锯木照照明组Kx = 1.000，CCos = 1.000，ttg = 0Pjs = KxxPe

32、= 1.000 5.00 = 55.000kWQjs = Pjjstg = 5.000 0 = 00.000kVaar(42)木木材加工工模板照照明组Kx = 1.000，CCos = 1.000，ttg = 0Pjs = KxxPe = 1.000 8.00 = 88.000kWQjs = Pjjstg = 8.000 0 = 00.000kVaar(43)总总的计算算负荷计计算，干干线同期期系数取取 Kxx = 1.000总的有功功功率Pjs = 1.1KxPjs = 1.11.000(2.10+2.110+00.777+0.77+1.115+22.800+3.85+3.885+77.70

33、0+7.70+3.550+11.400+1.40+1.440+11.400+1.40+0.777+00.777+0.77+1.775+22.100+188.211+188.211+188.211+0.70+0.777+11.966+1.96+1.996+22.100+0.28+5.000+11.000+2.00+1.220+00.800+0.80+1.000+88.000+8.00+5.000+88.000) = 1770.009kWW总的无功功功率Qjs =1.11KxQjs = 1.11.000(4.81+4.881+11.522+1.52+2.229+66.422+8.82+8.882+

34、117.664+117.664+33.577+1.43+1.443+11.433+1.43+1.443+00.833+0.83+0.883+11.899+2.14+18.58+18.58+18.58+0.771+00.799+2.00+2.000+22.000+2.14+0.229+00.000+0.00+0.000+00.000+0.00+0.000+00.000+0.00+0.000+00.000+0.00) = 1722.933kVaar总的视在功功率Sjs = (PPjs2+Qjss2)1/22 = (1770.0092+1772.9932)1/22 = 2422.566kVAA总的计

35、算电电流计算算Ijs = Sjjs/(1.7732Ue) = 2442.556/(1.77320.338) = 3368.54AA由于总配线线计算电电流小于于其干线线电流值值，所以以取干线线最大电电流值：3822.277A4.5 选选择变压压器 根根据计算算的总的的视在功功率选择择SL77-3115/110型三三相电力力变压器器，它的的容量为为3155.000kVAA2422.566kVAA1.220(增增容系数数)能够够满足使使用要求求，其高高压侧电电压为110.000kVV同施工工现场外外的高压压架空线线路的电电压级别别一致。4.6 选选择总箱箱的进线线截面及及进线开开关4.6.11 总配

36、配箱进线线(1)选择择导线截截面： ii) 按按安全载载流量： 上面已已经计算算出总计计算电流流Ijss = 3822.277A iii) 按允许许电压降降： S = 1.1Kx(PPL)/CU = 1.1 1.00082448.550/(77.005.000) = 223.557mmm2 iiii) 根据据前面两两条： 电电缆线空空气明敷敷，铜芯芯聚氯乙乙烯绝缘缘电缆线线VV332400+21200，其安安全载流流量为4407AA，截面面面积2240mmm2，能够够满足使使用要求求。(2)选择择总进线线开关：DZ110-6600/3，其其脱扣器器整定电电流值为为Ir = 4800A。(3)选

37、择择总箱中中漏电保保护器：ZBMM1-6630/4000。4.7 干干1线路路上导线线截面及及分配箱箱、开关关箱内电电气设备备选择 在在选择前前应对照照平面图图和系统统图先由由用电设设备至开开关箱计计算，再再由开关关箱至分分配箱计计算，选选择导线线及开关关设备。分分1至开开关箱，开开关箱至至用电设设备采用用铜芯聚聚氯乙烯烯绝缘电电缆线空空气明敷敷。分22至开关关箱，开开关箱至至用电设设备采用用铜芯聚聚氯乙烯烯绝缘电电缆线空空气明敷敷。(1)钢筋筋弯曲机机_GWW40开开关箱至至钢筋弯弯曲机_GW440导线线截面及及开关箱箱内电气气设备选选择i)计算电电流Kx 取 1.00，Coos = 0.4

38、40Ijs = KxxPe/(11.7332UeCoss) = 1.03.000/(1.77320.3380.440) = 111.440Aii)选择择导线按允许电压压降：S = KKx(PPL)/CU = 1.09.000/(77.005.000) = 00.022mm22选择VV334+222.55，空气气明敷时时其安全全载流量量为300A。iii)选选择电气气设备选择开关箱箱内开关关为DZZ5-220/33，其脱脱扣器整整定电流流值为IIr = 16AA。漏电保护器器为RMMM1-63/12。(2)钢筋筋弯曲机机_GWW40开开关箱至至钢筋弯弯曲机_GW440导线线截面及及开关箱箱内电气

39、气设备选选择i)计算电电流Kx 取 1.00，Coos = 0.440Ijs = KxxPe/(11.7332UeCoss) = 1.03.000/(1.77320.3380.440) = 111.440Aii)选择择导线按允许电压压降：S = KKx(PPL)/CU = 1.09.000/(77.005.000) = 00.022mm22选择VV334+222.55，空气气明敷时时其安全全载流量量为300A。iii)选选择电气气设备选择开关箱箱内开关关为DZZ5-220/33，其脱脱扣器整整定电流流值为IIr = 16AA。漏电保护器器为RMMM1-63/12。(3)直流流电焊机机_AXX1

40、-1165(AB-1655)开关关箱至直直流电焊焊机_AAX1-1655(ABB-1665)导导线截面面及开关关箱内电电气设备备选择i)计算电电流Kx 取 1.00，Coos = 0.445Ijs = KxxPe/(11.7332UeCoss) = 1.01.771/(1.77320.3380.445) = 55.777Aii)选择择导线按允许电压压降：S = KKx(PPL)/CU = 1.08.110/(77.005.000) = 00.022mm22选择VV334+222.55，空气气明敷时时其安全全载流量量为300A。iii)选选择电气气设备选择开关箱箱内开关关为DZZ5-220/33，其脱脱扣器整整定电流流值为IIr = 16AA。漏电保护器器为ZBBM1-63/10。(4)直流流电焊机机_AXX1-1165(AB-1655)开关关箱至直直流电焊焊机_AAX1-1655(ABB-1665)导导线截面面及开关关箱内电电气设备备选择