厂房施工现场临时用电施工方案.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：山西省宏宏图建设设集团有有限公司司 20017年年3月55日目 录第一章 工程概概况41.1 工程信信息41.2 临电概概况4第二章 编制依依据4第三章 施工现现场临时时用电平平面布置置图5第四章 临时用用电设计计54.1 现场勘勘探及初初步设计计54.2 施工现现场用电电量统计计表54.2.1 总总配箱统统计表554.3 供电系系统结构构表74.3.1 总总配箱结结构表774.4 确定用用电负荷荷84.4.1 总总配箱用用电负荷荷84.5 选择变变压器1164.6 选择总总箱的进进线截面面及进线线开关1164.6.1 总总配

2、箱进进线1664.7 干1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174.8 干2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234.9 干3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304.100 干44线路上上导线截截面及分分配箱、开关箱箱内电气气设备选选择3664.111 干55线路上上导线截截面及分分配箱、开关箱箱内电气气设备选选择4004.122 绘制制临时供供电施工工图444总配箱 - 供供电系统统图444第五章 安全用用电技术术措施4485.1 安全用用电技术术措施4495.2 安全用用电组织织措施5585.3 自备电电源的安

3、安全技术术要求5585.4 外电防防护的安安全技术术要求660第六章 安全用用电防火火措施6616.1 施工现现场发生生火灾的的主要原原因6116.2 预防电电气火灾灾的措施施61第七章现现场安全全技术档档案633第八章安安全距离离与外电电防护663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第十一章章触电事事故的应应急处理理66第一章 工程概概况1.1 工程信信息工程名称称：富士士康科技技集团兰兰考园区区G111厂房工程地址址：济阳阳路与清清源路交交叉路口口结构类型型：框架架结构计划工期期：1880天施工面积积：1998588.055总高度：21.1层数：33标准层高

4、高：6.51.2 临电概概况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，一台2242.56 KVAA的变压压器，从从变压器器引入施施工现场场的总配配箱，再再从总配配箱引出出共5条条干线到到各个分分配电箱箱，最后后由各分分配电箱箱引出分分线到各各开关箱箱，为整整个施工工现场供供电。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 编制依依据1、施施工现场场临时用用电安全全技术规规范JJGJ446-2200552、建建筑工程程施工现现场供电电安全规规范GGB5001944-200143、低低压配电电设计规规范GGB500054

5、4-200114、通通用用电电设备配配电设计计规范GB5500555-2201115、供供配电系系统设计计规范GB5500552-2200996、建建筑施工工安全检检查标准准JGGJ599-200117、建建筑施工工计算手手册第三章 施工现现场临时时用电平平面布置置图第四章 临时用用电设计计4.1 现场勘勘探及初初步设计计(1) 本工程程所在施施工现场场范围内内无各种种埋地管管线。(2) 现场采采用3880V低低压供电电，设11个配电电总箱，内有计计量设备备，采用用TN-S系统统供电。(3) 根据施施工现场场用电设设备布置置情况，总线00采用电电缆线空空气明敷敷，干11采用电电缆线埋埋地敷设设

6、，干22采用电电缆线埋埋地敷设设，干33采用电电缆线埋埋地敷设设，干44采用电电缆线埋埋地敷设设，干55采用电电缆线埋埋地敷设设，分11采用电电缆线空空气明敷敷，分22采用电电缆线空空气明敷敷，分33采用电电缆线空空气明敷敷，分44采用电电缆线空空气明敷敷，分55采用电电缆线空空气明敷敷，分66采用电电缆线空空气明敷敷，分77采用电电缆线空空气明敷敷，分88采用电电缆线空空气明敷敷,布置置位置及及线路走走向参见见临时配配电系统统图及现现场平面面图，采采用三级级配电，两极防防护。4.2 施工现现场用电电量统计计表4.2.1 总总配箱统统计表序号设备名称称铭牌功率率(kWW)安装功率率(kWW)数

7、量合计功率率(kWW)1钢筋弯曲曲机_GGW4003.0003.00026.0002直流电焊焊机_AAX1-1655(ABB-1665)6.000kVAA1.71123.4223交流电焊焊机_BBX3-1200-19.000kVAA2.56612.5664钢筋调直直切断机机_GTT4/1144.0004.00014.0005钢筋切断断机5.5005.500211.0006钢筋调直直切断机机_GTT6/11411.00011.000222.0007圆盘锯5.0005.00015.0008砂轮锯2.0002.000510.0009插入式振振动器_ZX550C1.1001.10033.30010平板

8、振动动器2.5002.50012.50011水泵3.0003.00013.00012塔式起重重机_QQT400(TQQ2-66)48.00060.7723182.1613套丝切管管机_TTQ-331.0001.00011.00014电动液压压弯管机机_WYYQ1.1001.10011.10015蛙式夯机机2.8002.80038.40016灰浆搅拌拌机_UUJ32253.0003.00013.00017地面磨光光机_DDM-6600.4000.40010.40018警卫照明明(10000WW/kmm)5.0005.00015.00019混凝土浇浇筑照明明1.0001.00022.00020车辆

9、人行行主干道道照明2.0002.00012.00021砖石工程程照明1.2001.20011.20022设备堆放放照明0.8000.80010.80023半成品堆堆放照明明0.8000.80010.80024钢筋室外外加工照照明8.0008.000216.00025木材加工工锯木照照明5.0005.00015.00026木材加工工模板照照明8.0008.00018.00027合计309.644.3 供电系系统结构构表4.3.1 总总配箱结结构表总配箱干1分1钢筋弯曲曲机_GGW400开关箱箱钢筋弯曲曲机_GGW400钢筋弯曲曲机_GGW400开关箱箱钢筋弯曲曲机_GGW400直流电焊焊机_AA

10、X1-1655(ABB-1665)开开关箱直流电焊焊机_AAX1-1655(ABB-1665)直流电焊焊机_AAX1-1655(ABB-1665)开开关箱直流电焊焊机_AAX1-1655(ABB-1665)交流电焊焊机_BBX3-1200-1开开关箱交流电焊焊机_BBX3-1200-1分2钢筋调直直切断机机_GTT4/114开关关箱钢筋调直直切断机机_GTT4/114钢筋切断断机开关关箱钢筋切断断机钢筋切断断机开关关箱钢筋切断断机钢筋调直直切断机机_GTT6/114开关关箱钢筋调直直切断机机_GTT6/114钢筋调直直切断机机_GTT6/114开关关箱钢筋调直直切断机机_GTT6/114干2分

11、3圆盘锯开开关箱圆盘锯砂轮锯开开关箱砂轮锯砂轮锯开开关箱砂轮锯砂轮锯开开关箱砂轮锯砂轮锯开开关箱砂轮锯砂轮锯开开关箱砂轮锯分4插入式振振动器_ZX550C开开关箱插入式振振动器_ZX550C插入式振振动器_ZX550C开开关箱插入式振振动器_ZX550C插入式振振动器_ZX550C开开关箱插入式振振动器_ZX550C平板振动动器开关关箱平板振动动器水泵开关关箱水泵干3分5塔式起重重机_QQT400(TQQ2-66)开关关箱塔式起重重机_QQT400(TQQ2-66)塔式起重重机_QQT400(TQQ2-66)开关关箱塔式起重重机_QQT400(TQQ2-66)塔式起重重机_QQT400(TQQ

12、2-66)开关关箱塔式起重重机_QQT400(TQQ2-66)分6套丝切管管机_TTQ-33开关箱箱套丝切管管机_TTQ-33电动液压压弯管机机_WYYQ开关关箱电动液压压弯管机机_WYYQ蛙式夯机机开关箱箱蛙式夯机机蛙式夯机机开关箱箱蛙式夯机机蛙式夯机机开关箱箱蛙式夯机机灰浆搅拌拌机_UUJ3225开关关箱灰浆搅拌拌机_UUJ3225地面磨光光机_DDM-660开关关箱地面磨光光机_DDM-660干4分7警卫照明明(10000WW/kmm)开关关箱警卫照明明(10000WW/kmm)混凝土浇浇筑照明明开关箱箱混凝土浇浇筑照明明车辆人行行主干道道照明开开关箱车辆人行行主干道道照明砖石工程程照明

13、开开关箱砖石工程程照明设备堆放放照明开开关箱设备堆放放照明半成品堆堆放照明明开关箱箱半成品堆堆放照明明混凝土浇浇筑照明明开关箱箱混凝土浇浇筑照明明干5分8钢筋室外外加工照照明开关关箱钢筋室外外加工照照明钢筋室外外加工照照明开关关箱钢筋室外外加工照照明木材加工工锯木照照明开关关箱木材加工工锯木照照明木材加工工模板照照明开关关箱木材加工工模板照照明4.4 确定用用电负荷荷4.4.1 总总配箱用用电负荷荷(1)钢钢筋弯曲曲机_GGW400组Kx = 0.70，Coss = 0.440，ttg = 2.229Pjs = KKxPe = 0.770 3.00 = 22.100kWQjs = PPjstg

14、 = 2.110 2.29 = 44.811kVaar(2)钢钢筋弯曲曲机_GGW400组Kx = 0.70，Coss = 0.440，ttg = 2.229Pjs = KKxPe = 0.770 3.00 = 22.100kWQjs = PPjstg = 2.110 2.29 = 44.811kVaar(3)直直流电焊焊机_AAX1-1655(ABB-1665)组组Kx = 0.45，Coss = 0.445，ttg = 1.998将Jc = 440%统统一换算算到Jcc = 1000%的额额定容量量Pe = n(Jc/Jc11)1/22Pn = 1(0.40/1.000)11/22.770

15、 = 1.71kkWPjs = KKxPe = 0.445 1.71 = 00.777kWQjs = PPjstg = 0.777 1.98 = 11.522kVaar(4)直直流电焊焊机_AAX1-1655(ABB-1665)组组Kx = 0.45，Coss = 0.445，ttg = 1.998将Jc = 440%统统一换算算到Jcc = 1000%的额额定容量量Pe = n(Jc/Jc11)1/22Pn = 1(0.40/1.000)11/22.770 = 1.71kkWPjs = KKxPe = 0.445 1.71 = 00.777kWQjs = PPjstg = 0.777 1.9

16、8 = 11.522kVaar(5)交交流电焊焊机_BBX3-1200-1组组Kx = 0.45，Coss = 0.445，ttg = 1.998将Jc = 440%统统一换算算到Jcc = 1000%的额额定容量量Pe = n(Jc/Jc11)1/22Pn = 1(0.40/1.000)11/24.005 = 2.56kkWPjs = KKxPe = 0.445 2.56 = 11.155kWQjs = PPjstg = 1.115 1.98 = 22.299kVaar(6)钢钢筋调直直切断机机_GTT4/114组Kx = 0.70，Coss = 0.440，ttg = 2.229Pjs =

17、 KKxPe = 0.770 4.00 = 22.800kWQjs = PPjstg = 2.880 2.29 = 66.422kVaar(7)钢钢筋切断断机组Kx = 0.70，Coss = 0.440，ttg = 2.229Pjs = KKxPe = 0.770 5.50 = 33.855kWQjs = PPjstg = 3.885 2.29 = 88.822kVaar(8)钢钢筋切断断机组Kx = 0.70，Coss = 0.440，ttg = 2.229Pjs = KKxPe = 0.770 5.50 = 33.855kWQjs = PPjstg = 3.885 2.29 = 88.8

18、22kVaar(9)钢钢筋调直直切断机机_GTT6/114组Kx = 0.70，Coss = 0.440，ttg = 2.229Pjs = KKxPe = 0.770 111.000 = 7.770kWWQjs = PPjstg = 7.770 2.29 = 117.664kVVar(10)钢筋调调直切断断机_GGT6/14组组Kx = 0.70，Coss = 0.440，ttg = 2.229Pjs = KKxPe = 0.770 111.000 = 7.770kWWQjs = PPjstg = 7.770 2.29 = 117.664kVVar(11)圆盘锯锯组Kx = 0.70，Coss

19、 = 0.770，ttg = 1.002Pjs = KKxPe = 0.770 5.00 = 33.500kWQjs = PPjstg = 3.550 1.02 = 33.577kVaar(12)砂轮锯锯组Kx = 0.70，Coss = 0.770，ttg = 1.002Pjs = KKxPe = 0.770 2.00 = 11.400kWQjs = PPjstg = 1.440 1.02 = 11.433kVaar(13)砂轮锯锯组Kx = 0.70，Coss = 0.770，ttg = 1.002Pjs = KKxPe = 0.770 2.00 = 11.400kWQjs = PPjst

20、g = 1.440 1.02 = 11.433kVaar(14)砂轮锯锯组Kx = 0.70，Coss = 0.770，ttg = 1.002Pjs = KKxPe = 0.770 2.00 = 11.400kWQjs = PPjstg = 1.440 1.02 = 11.433kVaar(15)砂轮锯锯组Kx = 0.70，Coss = 0.770，ttg = 1.002Pjs = KKxPe = 0.770 2.00 = 11.400kWQjs = PPjstg = 1.440 1.02 = 11.433kVaar(16)砂轮锯锯组Kx = 0.70，Coss = 0.770，ttg =

21、1.002Pjs = KKxPe = 0.770 2.00 = 11.400kWQjs = PPjstg = 1.440 1.02 = 11.433kVaar(17)插入式式振动器器_ZXX50CC组Kx = 0.70，Coss = 0.668，ttg = 1.008Pjs = KKxPe = 0.770 1.10 = 00.777kWQjs = PPjstg = 0.777 1.08 = 00.833kVaar(18)插入式式振动器器_ZXX50CC组Kx = 0.70，Coss = 0.668，ttg = 1.008Pjs = KKxPe = 0.770 1.10 = 00.777kWQj

22、s = PPjstg = 0.777 1.08 = 00.833kVaar(19)插入式式振动器器_ZXX50CC组Kx = 0.70，Coss = 0.668，ttg = 1.008Pjs = KKxPe = 0.770 1.10 = 00.777kWQjs = PPjstg = 0.777 1.08 = 00.833kVaar(20)平板振振动器组组Kx = 0.70，Coss = 0.668，ttg = 1.008Pjs = KKxPe = 0.770 2.50 = 11.755kWQjs = PPjstg = 1.775 1.08 = 11.899kVaar(21)水泵组组Kx = 0

23、.70，Coss = 0.770，ttg = 1.002Pjs = KKxPe = 0.770 3.00 = 22.100kWQjs = PPjstg = 2.110 1.02 = 22.144kVaar(22)塔式起起重机_QT440(TTQ2-6)组组Kx = 0.30，Coss = 0.770，ttg = 1.002将Jc = 440%统统一换算算到Jcc = 25%的额定定容量Pe = n(Jc/Jc11)1/22Pn = 1(0.40/0.225)11/248.00 = 660.772kWWPjs = KKxPe = 0.330 600.722 = 18.21kkWQjs = PPj

24、stg = 18.21 1.02 = 118.558kVVar(23)塔式起起重机_QT440(TTQ2-6)组组Kx = 0.30，Coss = 0.770，ttg = 1.002将Jc = 440%统统一换算算到Jcc = 25%的额定定容量Pe = n(Jc/Jc11)1/22Pn = 1(0.40/0.225)11/248.00 = 660.772kWWPjs = KKxPe = 0.330 600.722 = 18.21kkWQjs = PPjstg = 18.21 1.02 = 118.558kVVar(24)塔式起起重机_QT440(TTQ2-6)组组Kx = 0.30，Coss

25、 = 0.770，ttg = 1.002将Jc = 440%统统一换算算到Jcc = 25%的额定定容量Pe = n(Jc/Jc11)1/22Pn = 1(0.40/0.225)11/248.00 = 660.772kWWPjs = KKxPe = 0.330 600.722 = 18.21kkWQjs = PPjstg = 18.21 1.02 = 118.558kVVar(25)套丝切切管机_TQ-3组Kx = 0.70，Coss = 0.770，ttg = 1.002Pjs = KKxPe = 0.770 1.00 = 00.700kWQjs = PPjstg = 0.770 1.02

26、= 00.711kVaar(26)电动液液压弯管管机_WWYQ组组Kx = 0.70，Coss = 0.770，ttg = 1.002Pjs = KKxPe = 0.770 1.10 = 00.777kWQjs = PPjstg = 0.777 1.02 = 00.799kVaar(27)蛙式夯夯机组Kx = 0.70，Coss = 0.770，ttg = 1.002Pjs = KKxPe = 0.770 2.80 = 11.966kWQjs = PPjstg = 1.996 1.02 = 22.000kVaar(28)蛙式夯夯机组Kx = 0.70，Coss = 0.770，ttg = 1.

27、002Pjs = KKxPe = 0.770 2.80 = 11.966kWQjs = PPjstg = 1.996 1.02 = 22.000kVaar(29)蛙式夯夯机组Kx = 0.70，Coss = 0.770，ttg = 1.002Pjs = KKxPe = 0.770 2.80 = 11.966kWQjs = PPjstg = 1.996 1.02 = 22.000kVaar(30)灰浆搅搅拌机_UJ3325组组Kx = 0.70，Coss = 0.770，ttg = 1.002Pjs = KKxPe = 0.770 3.00 = 22.100kWQjs = PPjstg = 2.

28、110 1.02 = 22.144kVaar(31)地面磨磨光机_DM-60组组Kx = 0.70，Coss = 0.770，ttg = 1.002Pjs = KKxPe = 0.770 0.40 = 00.288kWQjs = PPjstg = 0.228 1.02 = 00.299kVaar(32)警卫照照明(110000W/kkm)组组Kx = 1.00，Coss = 1.000，ttg = 0Pjs = KKxPe = 1.000 5.00 = 55.000kWQjs = PPjstg = 5.000 0 = 00.000kVaar(33)混凝土土浇筑照照明组Kx = 1.00，Cos

29、s = 1.000，ttg = 0Pjs = KKxPe = 1.000 1.00 = 11.000kWQjs = PPjstg = 1.000 0 = 00.000kVaar(34)车辆人人行主干干道照明明组Kx = 1.00，Coss = 1.000，ttg = 0Pjs = KKxPe = 1.000 2.00 = 22.000kWQjs = PPjstg = 2.000 0 = 00.000kVaar(35)砖石工工程照明明组Kx = 1.00，Coss = 1.000，ttg = 0Pjs = KKxPe = 1.000 1.20 = 11.200kWQjs = PPjstg = 1

30、.220 0 = 00.000kVaar(36)设备堆堆放照明明组Kx = 1.00，Coss = 1.000，ttg = 0Pjs = KKxPe = 1.000 0.80 = 00.800kWQjs = PPjstg = 0.880 0 = 00.000kVaar(37)半成品品堆放照照明组Kx = 1.00，Coss = 1.000，ttg = 0Pjs = KKxPe = 1.000 0.80 = 00.800kWQjs = PPjstg = 0.880 0 = 00.000kVaar(38)混凝土土浇筑照照明组Kx = 1.00，Coss = 1.000，ttg = 0Pjs = K

31、KxPe = 1.000 1.00 = 11.000kWQjs = PPjstg = 1.000 0 = 00.000kVaar(39)钢筋室室外加工工照明组组Kx = 1.00，Coss = 1.000，ttg = 0Pjs = KKxPe = 1.000 8.00 = 88.000kWQjs = PPjstg = 8.000 0 = 00.000kVaar(40)钢筋室室外加工工照明组组Kx = 1.00，Coss = 1.000，ttg = 0Pjs = KKxPe = 1.000 8.00 = 88.000kWQjs = PPjstg = 8.000 0 = 00.000kVaar(4

32、1)木材加加工锯木木照明组组Kx = 1.00，Coss = 1.000，ttg = 0Pjs = KKxPe = 1.000 5.00 = 55.000kWQjs = PPjstg = 5.000 0 = 00.000kVaar(42)木材加加工模板板照明组组Kx = 1.00，Coss = 1.000，ttg = 0Pjs = KKxPe = 1.000 8.00 = 88.000kWQjs = PPjstg = 8.000 0 = 00.000kVaar(43)总的计计算负荷荷计算，干线同同期系数数取 KKx = 1.000总的有功功功率Pjs = 11.1KxPjs = 1.11.00

33、0(2.100+2.10+0.777+00.777+1.15+2.880+33.855+3.85+7.770+77.700+3.50+1.440+11.400+1.40+1.440+11.400+0.77+0.777+00.777+1.75+2.110+118.221+118.221+118.221+00.700+0.77+1.996+11.966+1.96+2.110+00.288+5.00+1.000+22.000+1.20+0.880+00.800+1.00+8.000+88.000+5.00+8.000) = 1170.09kkW总的无功功功率Qjs =1.1KxQjs = 1.11.

34、000(4.811+4.81+1.552+11.522+2.29+6.442+88.822+8.82+17.64+17.64+3.557+11.433+1.43+1.443+11.433+1.43+0.883+00.833+0.83+1.889+22.144+188.588+188.588+188.588+0.71+0.779+22.000+2.00+2.000+22.144+0.29+0.000+00.000+0.00+0.000+00.000+0.00+0.000+00.000+0.00+0.000+00.000) = 1772.993kVVar总的视在在功率Sjs = (Pjss2+Qj

35、ss2)1/22 = (1770.0092+1772.9932)1/22 = 2422.566kVAA总的计算算电流计计算Ijs = SSjs/(1.7732Ue) = 2442.556/(1.77320.338) = 3368.54AA由于总配配线计算算电流小小于其干干线电流流值，所所以取干干线最大大电流值值：3882.227A4.5 选择变变压器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

36、外的高压压架空线线路的电电压级别别一致。4.6 选择总总箱的进进线截面面及进线线开关4.6.1 总总配箱进进线(1)选选择导线线截面： i) 按安全全载流量量：上面已经经计算出出总计算算电流IIjs = 3882.227A ii) 按允允许电压压降： S = 11.1Kx(PPL)/CU = 1.1 1.00082448.550/(77.005.000) = 223.557mmm2 iiii) 根根据前面面两条：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)选选择总进进线

37、开关关：DZZ10-6000/3，其脱扣扣器整定定电流值值为Irr = 4800A。(3)选选择总箱箱中漏电电保护器器：ZBBM1-6300/4000。4.7 干1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1至至开关箱箱，开关关箱至用用电设备备采用铜铜芯聚氯氯乙烯绝绝缘电缆缆线空气气明敷。分2至至开关箱箱，开关关箱至用用电设备备采用铜铜芯聚氯氯乙烯绝绝缘电缆缆线空气气明敷。(1)钢钢筋弯曲曲机_GGW400开关箱箱至钢筋筋弯曲机机_GWW40导导线

38、截面面及开关关箱内电电气设备备选择i)计算算电流Kx取 1.00，Coos = 0.440Ijs = KKxPe/(11.7332UeCoss) = 1.03.000/(1.77320.3380.440) = 111.440Aii)选选择导线线按允许电电压降：S = Kx(PPL)/CU = 1.09.000/(77.005.000) = 00.022mm22选择VVV34+222.55，空气气明敷时时其安全全载流量量为300A。iii)选择电电气设备备选择开关关箱内开开关为DDZ5-20/3，其其脱扣器器整定电电流值为为Ir = 16AA。漏电保护护器为RRMM11-633/122。(2)钢

39、钢筋弯曲曲机_GGW400开关箱箱至钢筋筋弯曲机机_GWW40导导线截面面及开关关箱内电电气设备备选择i)计算算电流Kx取 1.00，Coos = 0.440Ijs = KKxPe/(11.7332UeCoss) = 1.03.000/(1.77320.3380.440) = 111.440Aii)选选择导线线按允许电电压降：S = Kx(PPL)/CU = 1.09.000/(77.005.000) = 00.022mm22选择VVV34+222.55，空气气明敷时时其安全全载流量量为300A。iii)选择电电气设备备选择开关关箱内开开关为DDZ5-20/3，其其脱扣器器整定电电流值为为Ir

40、 = 16AA。漏电保护护器为RRMM11-633/122。(3)直直流电焊焊机_AAX1-1655(ABB-1665)开开关箱至至直流电电焊机_AX11-1665(AAB-1165)导线截截面及开开关箱内内电气设设备选择择i)计算算电流Kx取 1.00，Coos = 0.445Ijs = KKxPe/(11.7332UeCoss) = 1.01.771/(1.77320.3380.445) = 55.777Aii)选选择导线线按允许电电压降：S = Kx(PPL)/CU = 1.08.110/(77.005.000) = 00.022mm22选择VVV34+222.55，空气气明敷时时其安全全载流量量为300A。iii)选择电电气设备备选择开关关箱内开开关为DDZ5-20/3，其其脱扣器器整定电电流值为为Ir = 16AA。漏电保护护器为ZZBM11-633/100。(4)直直流电焊焊机_AAX1-1655(ABB-1665)开开关箱至至直流电电焊机_AX11-1665(AAB-1165)导线截截面及开开关箱内内电气设设备选择择i)计算算电流Kx取 1.00，Coos = 0.445Ijs = KKxPe/(11.7332UeCoss) = 1.01.771/(1.77320.3380.445) = 55.777Aii)选选择导线线按允许电电压