临时用电施工组织设计(有计算书)37262.docx

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1、临时用电施工组织设计乌鲁木齐市市河东污污水处理理厂再生生水工程程(MBBR生物物池、鼓鼓风机房房及主变变电站、污污泥脱水水机房标标段)施工现场临临时用电电施工组组织设计计编制:唐治治顶审核:批准:重庆工业设设备安装装集团有有限公司司目 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64.33 供电电系统结结构表74.4 确确定用电电负荷84.5 选选择变压压器134.6 选选择总箱箱的进线线截面及及进线开开关1

2、34.7 干干1线路上上导线截截面及分分配箱、开开关箱内内电气设设备选择择144.8 干干2线路上上导线截截面及分分配箱、开开关箱内内电气设设备选择择184.99 干3线路上上导线截截面及分分配箱、开开关箱内内电气设设备选择择224.10 干4线路上上导线截截面及分分配箱、开开关箱内内电气设设备选择择274.11 绘制临临时供电电施工图图31第五章 安安全用电电技术措措施345.1 安安全用电电技术措措施345.2 安安全用电电组织措措施435.33 自备备电源的的安全技技术要求求445.4 外外电防护护的安全全技术要要求46第六章 安安全用电电防火措措施466.11 施工工现场发发生火灾灾的

3、主要要原因466.2 预预防电气气火灾的的措施47第七章 现现场安全全技术档档案48第八章 安安全距离离与外电电防护49第九章 现现场临时时用电管管理制度度50第十章 安安全、文文明施工工51第十一章 触电事事故的应应急处理理51第一章 工工程概况况1.1 工工程信息息1、工程名名称:乌乌鲁木齐齐市河东东污水处处理厂再再生水工工程(MMBR生生物池、鼓鼓风机房房及主变变电站、污污泥脱水水机房标标段)2、工程地地址:乌乌鲁木齐齐高新区区净水路路1011号3、结构类类型:钢钢筋混凝凝土结构构4、建设单单位:新新疆昆仑仑新水源源科技股股份有限限公司5、设计单单位:中中国市政政工程华华北设计计研究院院

4、总院有有限公司司6、地勘单单位:甘甘肃中建建市政工工程勘察察设计研研究院7、监理单单位:乌乌鲁木齐齐兴盛建建设监理理有限公公司8、施工单单位:重重庆工业业设备安安装集团团有限公公司9、工程规规模:119577.2,其中中MBRR生物池池占地面面积为558822.5,鼓风风机房及及主变电电站建筑筑面积112500.2,污泥泥脱水机机房建筑筑面积7707。10、开竣竣工日期期:20016年年9月24日至至20117年12月30日11、工程程日期:4622天12、层数数:局部部2层1.2 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,从从业主配配电室引引入施工工现场的的总配

5、箱箱,再从从总配箱箱引出共共4条干线线到各个个分配电电箱,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JGGJ466-200142、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GBB500054-201114、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

6、查查标准JGJ59-20117、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 (此图仅仅作施工工现场临临时用电电布置示示意,用用户应根根据实际际工程自自行编制制)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,设设一配电电总箱,内内有计量量设备,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,总总线采用用电缆线线埋地敷敷设,干干1采用电电缆线埋埋地敷设设,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

7、缆线埋埋地敷设设,分11采用电电缆线埋埋地敷设设,分22采用电电缆线埋埋地敷设设,分33采用电电缆线埋埋地敷设设,分44采用电电缆线埋埋地敷设设布置位位置及线线路走向向参见临临时配电电系统图图及现场场平面图图,采用用三级配配电,两两极防护护。4.2 施施工现场场用电量量统计表表序号设备名称铭牌功率(kW)安装功率(kW)数量合计功率(kW)1震动夯土机机_HZZD25504.004.0028.002插入式振动动器_ZZX500C1.101.1033.303直流电焊机机_AXX1-1165(AB-1655)6.00kkVA1.7111.714交流电焊机机_BXX3-1120-19.00kkVA2

8、.5612.565砂浆搅拌机机7.507.5017.506卸车场照明明1.001.0011.007混凝土浇筑筑照明1.001.0011.008警卫照明(10000W/km)5.005.0015.009车辆人行主主干道照照明2.002.0012.0010半成品堆放放照明0.800.8010.8011钢筋套丝机机7.507.5017.5012钢筋调直切切断机_GT44/1444.004.0014.0013钢筋弯曲机机2.502.5012.5014塔式起重机机_QTTZ63350.00063.255163.25515交流电焊机机_BXX3-1120-11.82kkVA0.5210.5216直流电焊机

9、机_AXX1-1165(AB-1655)1.22kkVA0.3510.3517钢筋对焊机机15.00015.000115.00018震动夯土机机_HZZD25505.715.71211.42219电刨子4.004.0014.0020木工圆锯_MJ11065.505.5015.5021钢筋弯曲机机_GWW403.003.0013.0022钢筋切断机机_QJJ40-15.505.5015.5023钢筋弯曲机机_WJJ407.507.5017.5024插入式振动动器_ZZX500C1.621.6211.6225合计164.5534.3 供供电系统统结构表表总配电箱干1分1塔式起重机机_QTTZ633

10、开关箱箱塔式起重机机_QTTZ633交流电焊机机_BXX3-1120-1开关关箱交流电焊机机_BXX3-1120-1直流电焊机机_AXX1-1165(AB-1655)开关关箱直流电焊机机_AXX1-1165(AB-1655)钢筋对焊机机开关箱箱钢筋对焊机机震动夯土机机_HZZD2550开关关箱震动夯土机机_HZZD2550震动夯土机机_HZZD2550开关关箱震动夯土机机_HZZD2550干2分2震动夯土机机_HZZD2550开关关箱震动夯土机机_HZZD2550震动夯土机机_HZZD2550开关关箱震动夯土机机_HZZD2550插入式振动动器_ZZX500C开关关箱插入式振动动器_ZZX50

11、0C插入式振动动器_ZZX500C开关关箱插入式振动动器_ZZX500C直流电焊机机_AXX1-1165(AB-1655)开关关箱直流电焊机机_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砂浆搅拌机机开关箱箱砂浆搅拌机机干3分3卸车场照明明开关箱箱卸车场照明明混凝土浇筑筑照明开开关箱混凝土浇筑筑照明警卫照明(10000W/km)开关箱箱警卫照明(10000W/km)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半成品堆放放照明开开关箱半成品堆放放照明钢筋套丝机机开关箱箱钢筋套丝机机钢筋调直切切断机_GT44/144开

12、关箱箱钢筋调直切切断机_GT44/144钢筋弯曲机机开关箱箱钢筋弯曲机机干4分4电刨子开关关箱电刨子木工圆锯_MJ1106开开关箱木工圆锯_MJ1106钢筋弯曲机机_GWW40开开关箱钢筋弯曲机机_GWW40钢筋切断机机_QJJ40-1开关关箱钢筋切断机机_QJJ40-1钢筋弯曲机机_WJJ40开开关箱钢筋弯曲机机_WJJ40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_ZZX500C4.4 确确定用电电负荷(1)震动动夯土机机_HZZD2550组Kx = 0.770,Coss = 0.770,tg = 1.002Pj

13、s = KxxPe = 0.770 4.000 = 2.80kkWQjs = Pjjsttg = 22.800 11.022 = 2.886kVVar(2)震动动夯土机机_HZZD2550组Kx = 0.770,Coss = 0.770,tg = 1.002Pjs = KxxPe = 0.770 4.000 = 2.80kkWQjs = Pjjsttg = 22.800 11.022 = 2.886kVVar(3)插入入式振动动器_ZZX500C组Kx = 0.770,Coss = 0.668,tg = 1.008Pjs = KxxPe = 0.770 1.110 = 0.77kkWQjs =

14、 Pjjsttg = 00.777 11.088 = 0.883kVVar(4)插入入式振动动器_ZZX500C组Kx = 0.770,Coss = 0.668,tg = 1.008Pjs = KxxPe = 0.770 1.110 = 0.77kkWQjs = Pjjsttg = 00.777 11.088 = 0.883kVVar(5)直流流电焊机机_AXX1-1165(AB-1655)组Kx = 0.445,Coss = 0.445,tg = 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(0.440/11

15、.000)1/222.700 = 1.771kWWPjs = KxxPe = 0.445 1.771 = 0.77kkWQjs = Pjjsttg = 00.777 11.988 = 1.552kVVar(6)交流流电焊机机_BXX3-1120-1组Kx = 0.445,Coss = 0.445,tg = 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(0.440/11.000)1/244.055 = 2.556kWWPjs = KxxPe = 0.445 2.556 = 1.15kkWQjs = Pjjsttg

16、 = 11.155 11.988 = 2.229kVVar(7)砂浆浆搅拌机机组Kx = 0.770,Coss = 0.668,tg = 1.008Pjs = KxxPe = 0.770 7.550 = 5.25kkWQjs = Pjjsttg = 55.255 11.088 = 5.666kVVar(8)卸车车场照明明组Kx = 1.000,Coss = 1.000,tg = 0Pjs = KxxPe = 1.000 1.000 = 1.00kkWQjs = Pjjsttg = 11.000 00 = 0.000kVVar(9)混凝凝土浇筑筑照明组组Kx = 1.000,Coss = 1.0

17、00,tg = 0Pjs = KxxPe = 1.000 1.000 = 1.00kkWQjs = Pjjsttg = 11.000 00 = 0.000kVVar(10)警警卫照明明(10000WW/kmm)组Kx = 1.000,Coss = 1.000,tg = 0Pjs = KxxPe = 1.000 5.000 = 5.00kkWQjs = Pjjsttg = 55.000 00 = 0.000kVVar(11)车车辆人行行主干道道照明组组Kx = 1.000,Coss = 1.000,tg = 0Pjs = KxxPe = 1.000 2.000 = 2.00kkWQjs = Pj

18、jsttg = 22.000 00 = 0.000kVVar(12)半半成品堆堆放照明明组Kx = 1.000,Coss = 1.000,tg = 0Pjs = KxxPe = 1.000 0.880 = 0.80kkWQjs = Pjjsttg = 00.800 00 = 0.000kVVar(13)钢钢筋套丝丝机组Kx = 0.445,Coss = 0.440,tg = 2.229Pjs = KxxPe = 0.445 7.550 = 3.38kkWQjs = Pjjsttg = 33.388 22.299 = 7.773kVVar(14)钢钢筋调直直切断机机_GTT4/114组Kx =

19、0.770,Coss = 0.440,tg = 2.229Pjs = KxxPe = 0.770 4.000 = 2.80kkWQjs = Pjjsttg = 22.800 22.299 = 6.442kVVar(15)钢钢筋弯曲曲机组Kx = 0.770,Coss = 0.440,tg = 2.229Pjs = KxxPe = 0.770 2.550 = 1.75kkWQjs = Pjjsttg = 11.755 22.299 = 4.001kVVar(16)塔塔式起重重机_QQTZ663组Kx = 0.330,Coss = 0.770,tg = 1.002将Jc = 400%统一一换算到到

20、Jc = 25%的额定定容量Pe = n(Jc/Jc11)1/22Pn = 1(0.440/00.255)1/2550.000 = 633.255kWPjs = KxxPe = 0.330 63.25 = 118.997kWWQjs = Pjjsttg = 118.997 1.002 = 199.366kVaar(17)交交流电焊焊机_BBX3-1200-1组组Kx = 0.445,Coss = 0.445,tg = 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(0.440/11.000)1/200.822 =

21、 0.552kWWPjs = KxxPe = 0.445 0.552 = 0.23kkWQjs = Pjjsttg = 00.233 11.988 = 0.446kVVar(18)直直流电焊焊机_AAX1-1655(ABB-1665)组组Kx = 0.445,Coss = 0.445,tg = 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(0.440/11.000)1/200.555 = 0.335kWWPjs = KxxPe = 0.445 0.335 = 0.16kkWQjs = Pjjsttg = 00.

22、166 11.988 = 0.331kVVar(19)钢钢筋对焊焊机组Kx = 0.445,Coss = 0.440,tg = 2.229Pjs = KxxPe = 0.445 15.00 = 66.755kWQjs = Pjjsttg = 66.755 22.299 = 15.47kkVarr(20)震震动夯土土机_HHZD2250组组Kx = 0.770,Coss = 0.770,tg = 1.002Pjs = KxxPe = 0.770 5.771 = 4.00kkWQjs = Pjjsttg = 44.000 11.022 = 4.008kVVar(21)震震动夯土土机_HHZD225

23、0组组Kx = 0.770,Coss = 0.770,tg = 1.002Pjs = KxxPe = 0.770 5.771 = 4.00kkWQjs = Pjjsttg = 44.000 11.022 = 4.008kVVar(22)电电刨子组组Kx = 0.770,Coss = 0.770,tg = 1.002Pjs = KxxPe = 0.770 4.000 = 2.80kkWQjs = Pjjsttg = 22.800 11.022 = 2.886kVVar(23)木木工圆锯锯_MJJ1066组Kx = 0.770,Coss = 0.770,tg = 1.002Pjs = KxxPe

24、= 0.770 5.550 = 3.85kkWQjs = Pjjsttg = 33.855 11.022 = 3.993kVVar(24)钢钢筋弯曲曲机_GGW400组Kx = 0.770,Coss = 0.440,tg = 2.229Pjs = KxxPe = 0.770 3.000 = 2.10kkWQjs = Pjjsttg = 22.100 22.299 = 4.881kVVar(25)钢钢筋切断断机_QQJ400-1组组Kx = 0.770,Coss = 0.440,tg = 2.229Pjs = KxxPe = 0.770 5.550 = 3.85kkWQjs = Pjjsttg

25、= 33.855 22.299 = 8.882kVVar(26)钢钢筋弯曲曲机_WWJ400组Kx = 0.770,Coss = 0.440,tg = 2.229Pjs = KxxPe = 0.770 7.550 = 5.25kkWQjs = Pjjsttg = 55.255 22.299 = 12.03kkVarr(27)插插入式振振动器_ZX550C组组Kx = 0.770,Coss = 00.688,tg = 1.008Pjs = KxxPe = 0.770 1.662 = 1.13kkWQjs = Pjjsttg = 11.133 11.088 = 1.222kVVar(28)插插入式

26、振振动器_ZX550C组组Kx = 0.770,Coss = 0.668,tg = 1.008Pjs = KxxPe = 0.770 1.110 = 0.77kkWQjs = Pjjsttg = 00.777 11.088 = 0.883kVVar(29)总总的计算算负荷计计算,干干线同期期系数取取 Kx = 0.990总的有功功功率Pjs = 1.1KKxPPjs = 1.100.900(2.80+2.880+00.777+0.77+0.777+11.155+5.25+1.000+11.000+5.00+2.000+00.800+3.38+2.880+11.755+188.977+0.23+

27、0.116+66.755+4.00+4.000+22.800+3.85+2.110+33.855+5.25+1.113+00.777) = 855.044kW总的无功功功率Qjs =1.11KxxQQjs = 1.100.900(2.86+2.886+00.833+0.83+1.552+22.299+5.66+0.000+00.000+0.00+0.000+00.000+7.73+6.442+44.011+199.366+0.46+0.331+115.447+44.088+4.08+2.886+33.933+4.81+8.882+112.003+11.222+0.83) = 1122.122k

28、Vaar总的视在功功率Sjs = (PPjs2+Qjss2)1/22 = (855.0442+1112.1122)1/22 = 1400.722kVAA总的计算电电流计算算Ijs = Sjjs/(1.7732Ue) = 1440.772/(1.77320.338) = 2213.81AA4.5 选选择总箱箱的进线线截面及及进线开开关(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Ijs = 2113.881A iii) 按允许许电压降降: S = 1.1KKx(PL)/CU = 1.1 0.9902231338.770/(77.005.000) = 559

29、.550mmm2 iiii) 根据据前面两两条: 电电缆线埋埋地敷设设,铜芯芯聚氯乙乙烯绝缘缘电缆线线VV3395+250,其其安全载载流量为为2344A,截截面面积积95mmm2,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)选择择总箱中中漏电保保护器:ZBMM1-4400/2255。4.6 干干1线路上上导线截截面及分分配箱、开开关箱内内电气设设备选择择 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至开关关箱,开开

30、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埋埋地敷设设。(1)塔式式起重机机_QTTZ633开关箱箱至塔式式起重机机_QTTZ633导线截截面及开开关箱内内电气设设备选择择i)计算电电流Kx 取 1.00,Coss = 0.770Ijs = KxxPe/(11.7332UUeCoos) = 1.00633.255/(11.733200.3880.70) = 1377.299Aii)选择择导线按允许电压压降:S = KKx(PL)/CU = 1.01150.00/(777.0005.00) = 0.339mmm2选择VV3350+225,空空气明敷敷时其安安全载流流量为1157AA。i

31、ii)选选择电气气设备选择开关箱箱内开关关为DZZ10-2500/3,其其脱扣器器整定电电流值为为Ir = 2000A。漏电保护器器为ZBBM1-2255/1440 。(2)交流流电焊机机_BXX3-1120-1开关关箱至交交流电焊焊机_BBX3-1200-1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,Coss = 0.445Ijs = KxxPe/(11.7332UUeCoos) = 1.000.52/(1.73220.380.445) = 11.766Aii)选择择导线按允许电压压降:S = KKx(PL)/CU = 1.022.466/(777.00055.

32、000) = 0.01mmm2选择VV334+222.55,空气气明敷时时其安全全载流量量为388A。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。(3)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i)计算电电流Kx 取 1.00,Coss = 0.445Ijs = KxxPe/(11.7332UUeCoos) = 1.000.35/(1.73220.380.445) = 1

33、1.188Aii)选择择导线按允许电压压降:S = KKx(PL)/CU = 1.011.655/(777.00055.000) = 0.00mmm2选择VV334+222.55,空气气明敷时时其安全全载流量量为388A。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)钢筋筋对焊机机开关箱箱至钢筋筋对焊机机导线截截面及开开关箱内内电气设设备选择择i)计算电电流Kx 取 1.00,Coss = 0.440Ijs = KxxPe/(11.7332UUeCoos) = 1.00155.0

34、00/(11.733200.3880.40) = 56.98AAii)选择择导线按允许电压压降:S = KKx(PL)/CU = 1.0445.000/(77.005.000) = 00.122mm22选择VV3316+210,空空气明敷敷时其安安全载流流量为887A。iii)选选择电气气设备选择开关箱箱内开关关为DZZ10-1000/3,其其脱扣器器整定电电流值为为Ir = 80AA。漏电保护器器为DZZ15LL-633/3。(5)震动动夯土机机_HZZD2550开关关箱至震震动夯土土机_HHZD2250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,Coss =

35、0.770Ijs = KxxPe/(11.7332UUeCoos) = 1.005.71/(1.73220.380.770) = 112.339Aii)选择择导线按允许电压压降:S = KKx(PL)/CU = 1.0117.113/(77.005.000) = 00.044mm22选择VV334+222.55,空气气明敷时时其安全全载流量量为388A。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ZBBM1-1000/166。(6)震动动夯土机机_HZZD2550开关关箱至震震动夯土土机_HHZD2250导

36、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,Coss = 0.770Ijs = KxxPe/(11.7332UUeCoos) = 1.005.71/(1.73220.380.770) = 112.339Aii)选择择导线按允许电压压降:S = KKx(PL)/CU = 1.0117.113/(77.005.000) = 00.044mm22选择VV334+222.55,空气气明敷时时其安全全载流量量为388A。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ZBBM1-1000/16

37、6。(7)分11至第1组电机机的开关关箱的导导线截面面及分配配箱内开开关的选选择i)Ijss = 1377.299Aii)选择择导线选择VV3350+225,埋埋地敷设设时其安安全载流流量为1157AA。iii)选选择电气气设备选择分配箱箱内开关关为 DDZ100-2550/33 ,其其脱扣器器整定电电流值为为Ir = 2000A。(8)分11进线及及进线开开关的选选择i)计算电电流Kx = 0.770,Coss = 0.660Ijs =1.11 KKxPPe/(11.7332UUeCoos) = 1.110.70(633.2551+0.55211+0.351+115.00011+5.711+

38、55.7111)/(11.733200.3880.60) = 1766.522Aii)选择择导线按允许电压压降:S =1.1 Kx(PL)/CU = 1.100.7002771.559/(77.005.000) = 00.544mm22选择VV3370+235,埋埋地敷设设时其安安全载流流量为1197AA。iii)选选择电气气设备选择分配箱箱进线开开关为DDZ100-2550/33,其脱脱扣器整整定电流流值为IIr = 2000A。(9)干11导线截截面及出出线开关关的选择择i)选择导导线截面面按导线安全全载流量量:Kx = 0.770,Coss = 0.660Ijs =1.11 KKxPPe

39、/(11.7332UUeCoos) = 1.110.7090.53/(1.73220.380.660) = 1176.52AA按允许电压压降:S =1.1 Kx(PL)/CU = 1.100.70054431.85/(777.0005.00) = 10.86mmm2选择VV3370+235,埋埋地敷设设时其安安全载流流量为1197AA。ii)选择择出线开开关干1出线开开关选择择DZ110-2250/3,其其脱扣器器整定电电流值为为Ir = 2000A。4.7 干干2线路上上导线截截面及分分配箱、开开关箱内内电气设设备选择择 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

40、,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2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埋埋地敷设设。(1)震动动夯土机机_HZZD2550开关关箱至震震动夯土土机_HHZD2250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,Coss = 0.770Ijs = KxxPe/(11.7332UUeCoos) = 1.004.00/(1.73220.380.770) = 88.688Aii)选择择导线按允许电压压降:S = KKx(PL)/CU = 1.0112.000/(77.005.000) = 00.033mm22选

41、择VV334+222.55,空气气明敷时时其安全全载流量量为388A。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。(2)震动动夯土机机_HZZD2550开关关箱至震震动夯土土机_HHZD2250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,Coss = 0.770Ijs = KxxPe/(11.7332UUeCoos) = 1.004.00/(1.73220.380.770) = 88.688Aii)选择择导线按允许电压压降:S = KKx(PL)/CU = 1.0112.000/(77.005.000) = 00.033mm22选择VV334+222.55,空气气明敷时时其安全全载流量量为388A。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。(3)插入入式振动动器_ZZX500C开关关箱至插插入式振振动器_ZX550C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,

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