上海某辦公樓臨電施工方案

****企業(yè)總部基地22、23號(hào)房工程施工用電組織設(shè)計(jì)編制單位：上海****建筑工程有限公司編制人：****審批人：編制日期：2008年2月28日****企業(yè)總部基地22、23號(hào)房施工用電組織設(shè)計(jì)工程概況：****企業(yè)總部基地22、23號(hào)房工程；屬于框架結(jié)構(gòu);地上24層;地下1層；建筑高度：96.40m；標(biāo)準(zhǔn)層層高：3.70m；總建筑面積：64000.00平方米；總工期：540天；施工單位：上海****建筑工程有限公司。本工程由昆山****世界商業(yè)管理有限公司投資建設(shè)，上海****建筑設(shè)計(jì)有限公司設(shè)計(jì)，上海****巖土工程勘察有限公司地質(zhì)勘察，南京****建設(shè)監(jiān)理咨詢有限公司監(jiān)理，上海****建筑工程有限公司組織施工；由****擔(dān)任項(xiàng)目經(jīng)理，****擔(dān)任技術(shù)負(fù)責(zé)人。本工程施工用電單獨(dú)設(shè)置變壓器一臺(tái)，并設(shè)置配電房一只，配電房施工見(jiàn)附圖：“配電房詳圖”（略）。在施工現(xiàn)場(chǎng)分成11條干線配電，各干線配電見(jiàn)附圖：“****企業(yè)總部基地22、23號(hào)房區(qū)域施工總平面圖”。（略）在22、23號(hào)房樓層豎向配電，在樓層中每二層設(shè)置樓層分配箱一個(gè)，詳見(jiàn)附圖：“豎向配電詳圖”（略）。施工臨時(shí)用電方案計(jì)算書(shū)一、編制依據(jù)《低壓配電設(shè)計(jì)規(guī)范》GB50054-95中國(guó)建筑工業(yè)出版社《建筑工程施工現(xiàn)場(chǎng)供電安全規(guī)范》GB50194-93中國(guó)建筑工業(yè)出版社《通用用電設(shè)備配電設(shè)計(jì)規(guī)范》GB50055-93中國(guó)建筑工業(yè)出版社《供配電系統(tǒng)設(shè)計(jì)規(guī)范》GB50052-95中國(guó)建筑工業(yè)出版社《施工現(xiàn)場(chǎng)臨時(shí)用電安全技術(shù)規(guī)范》JGJ46-2005中國(guó)建筑工業(yè)出版社《建筑施工安全檢查標(biāo)準(zhǔn)》JGJ59-99二、施工條件施工現(xiàn)場(chǎng)用電量統(tǒng)計(jì)表:----------------------------------------------------------------序號(hào)機(jī)具名稱型號(hào)安裝功率(kW)數(shù)量合計(jì)功率(kW)1鋼筋對(duì)焊機(jī)12512511252鋼筋切斷機(jī)QJ40-15.52113鋼筋彎曲機(jī)WJ403264木工圓鋸MJ1065.5316.55木工平刨床MB503A3266辦公室照明0.61067塔式起重機(jī)TQ60/8055.5155.58施工電梯SCD100/100A111119交流電焊機(jī)BX3-120-191910插入式振動(dòng)器ZX501.122.211木工圓鋸MJ10431312木工圓鋸MJ10431313插入式振動(dòng)器ZX501.111.114交流電焊機(jī)BX3-120-191915插入式振動(dòng)器ZX501.111.116木工圓鋸MJ10431317交流電焊機(jī)BX3-120-191918插入式振動(dòng)器ZX501.111.119木工圓鋸MJ10431320交流電焊機(jī)BX3-120-191921插入式振動(dòng)器ZX501.111.122木工圓鋸MJ10431323交流電焊機(jī)BX3-120-191924插入式振動(dòng)器ZX501.111.125木工圓鋸MJ10431326交流電焊機(jī)BX3-120-191927插入式振動(dòng)器ZX501.111.128木工圓鋸MJ10431329交流電焊機(jī)BX3-120-191930插入式振動(dòng)器ZX501.111.131木工圓鋸MJ10431332交流電焊機(jī)BX3-120-191933插入式振動(dòng)器ZX501.111.134木工圓鋸MJ10431335交流電焊機(jī)BX3-120-191936插入式振動(dòng)器ZX501.111.137木工圓鋸MJ10431338交流電焊機(jī)BX3-120-191939插入式振動(dòng)器ZX501.111.140木工圓鋸MJ10431341交流電焊機(jī)BX3-120-191942插入式振動(dòng)器ZX501.133.343木工圓鋸MJ10431344交流電焊機(jī)BX3-120-191945插入式振動(dòng)器ZX501.133.346木工圓鋸MJ10431347交流電焊機(jī)BX3-120-191948插入式振動(dòng)器ZX501.133.349木工圓鋸MJ10431350交流電焊機(jī)BX3-120-191951插入式振動(dòng)器ZX501.133.352木工圓鋸MJ10431353交流電焊機(jī)BX3-120-191954插入式振動(dòng)器ZX501.133.355木工圓鋸MJ10431356交流電焊機(jī)BX3-120-191957插入式振動(dòng)器ZX501.133.358木工圓鋸MJ10431359交流電焊機(jī)BX3-120-191960插入式振動(dòng)器ZX501.133.361木工圓鋸MJ10431362交流電焊機(jī)BX3-120-191963插入式振動(dòng)器ZX501.133.364木工圓鋸MJ10431365交流電焊機(jī)BX3-120-191966插入式振動(dòng)器ZX501.133.367木工圓鋸MJ10431368交流電焊機(jī)BX3-120-191969插入式振動(dòng)器ZX501.133.370木工圓鋸MJ10431371交流電焊機(jī)BX3-120-191972插入式振動(dòng)器ZX501.133.373木工圓鋸MJ10431374交流電焊機(jī)BX3-120-191975插入式振動(dòng)器ZX501.133.376木工圓鋸MJ10431377交流電焊機(jī)BX3-120-191978插入式振動(dòng)器ZX501.133.379木工圓鋸MJ10431380交流電焊機(jī)BX3-120-191981施工電梯SCD100/100A1111182塔式起重機(jī)TQ60/8055.5155.583混凝土攪拌機(jī)JD35015115----------------------------------------------------------------三、設(shè)計(jì)內(nèi)容和步驟1、現(xiàn)場(chǎng)勘探及初步設(shè)計(jì):(1)本工程所在施工現(xiàn)場(chǎng)范圍內(nèi)無(wú)各種埋地管線。(2)現(xiàn)場(chǎng)采用380V低壓供電，設(shè)一配電總箱，內(nèi)有計(jì)量設(shè)備，采用TN-S系統(tǒng)供電。(3)根據(jù)施工現(xiàn)場(chǎng)用電設(shè)備布置情況，采用導(dǎo)線穿鋼管埋地敷設(shè)，布置位置及線路走向參見(jiàn)臨時(shí)配電系統(tǒng)圖及現(xiàn)場(chǎng)平面圖，采用三級(jí)配電，兩級(jí)防護(hù)。(4)按照《JGJ46-2005》規(guī)定制定施工組織設(shè)計(jì)，接地電阻R≤4Ω。2、確定用電負(fù)荷:(1)、鋼筋對(duì)焊機(jī)125Kx=0.5Cosφ=0.6tgφ=1.33將Jc=50%統(tǒng)一換算到Jc1=100%的額定容量Pn=125kWPe=n×(Jc/Jc1)1/2×Pn=1×(0.5/1)1/2×125=88.39kWPjs=Kx×Pe=0.5×88.39=44.19kWQjs=Pjs×tgφ=44.19×1.33=58.93kvar(2)、鋼筋切斷機(jī)Kx=0.3Cosφ=0.7tgφ=1.02Pjs=0.3×11=3.3kWQjs=Pjs×tgφ=3.3×1.02=3.37kvar(3)、鋼筋彎曲機(jī)Kx=0.3Cosφ=0.7tgφ=1.02Pjs=0.3×6=1.8kWQjs=Pjs×tgφ=1.8×1.02=1.84kvar(4)、木工圓鋸Kx=0.3Cosφ=0.6tgφ=1.33Pjs=0.3×16.5=4.95kWQjs=Pjs×tgφ=4.95×1.33=6.6kvar(5)、木工平刨床Kx=0.3Cosφ=0.6tgφ=1.33Pjs=0.3×6=1.8kWQjs=Pjs×tgφ=1.8×1.33=2.4kvar(6)、辦公室照明Kx=0.6Cosφ=0.4tgφ=2.29將Jc=40%統(tǒng)一換算到Jc1=100%的額定容量Pn=0.6kWWPe=n×(JJc/Jc1)1/2×Pn=10×(0.4/11)1/2×0.6==3.799kWPjs=Kxx×Pe=0.66×3.79=2.228kWQjs=Pjjs×tgφ=2.288×2.299=5..22kvvar(7)、塔式起重機(jī)機(jī)Kx=0.22Cossφ=0..6tggφ=1..33將Jc=40%統(tǒng)一換換算到Jc1=255%的額定容容量Pn=55.5kkWPe=n×(JJc/Jc1)1/2×Pn=1×(0.4/00.25)11/2×55.5=70..2kWPjs=Kxx×Pe=0.22×70.2=14..04kWQjs=Pjjs×tgφ=14.004×1.333=118.72kvar(8)、建筑施工外外用電梯Kx=0.22Cossφ=0..6tggφ=1..33Pjs=0.22×11=2.2kkWQjs=Pjjs×tgφ=2.2××1.33=2.993kvaar(9)、交流電焊機(jī)機(jī)Kx=0.335Coosφ=0..4tggφ=2..29將Jc=50%統(tǒng)一換換算到Jc1=1000%的額定定容量Pn=Sn×CCosφ=9××0.4=33.6kWPe=n×(JJc/Jc1)1/2×Pn=1×(0.5/11)1/2×3.6==2.555kWPjs=Kxx×Pe=0.335×2.55=0.889kWQjs=Pjjs×tgφ=0.899×2.299=2..04kvvar(10)、插入式振振動(dòng)器Kx=0.33Cossφ=0..7tggφ=1..02Pjs=0.33×2.2==0.666kWQjs=Pjjs×tgφ=0.666×1.022=0..67kvvar(11)、木工圓鋸鋸Kx=0.33Cossφ=0..6tggφ=1..33Pjs=0.33×3=00.9kWWQjs=Pjjs×tgφ=0.9××1.33=1.22kvarr(12)、木工圓鋸鋸Kx=0.33Cossφ=0..6tggφ=1..33Pjs=0.33×3=00.9kWWQjs=Pjjs×tgφ=0.9××1.33=1.22kvarr(13)、插入式振振動(dòng)器Kx=0.33Cossφ=0..7tggφ=1..02Pjs=0.33×1.1==0.333kWQjs=Pjjs×tgφ=0.333×1.022=0..34kvvar(14)、交流電焊焊機(jī)Kx=0.335Coosφ=0..4tggφ=2..29將Jc=50%統(tǒng)一換換算到Jc1=1000%的額定定容量Pn=Sn×CCosφ=9××0.4=33.6kWPe=n×(JJc/Jc1)1/2×Pn=1×(0.5/11)1/2×3.6==2.555kWPjs=Kxx×Pe=0.335×2.55=0.889kWQjs=Pjjs×tgφ=0.899×2.299=2..04kvvar(15)、插入式振振動(dòng)器Kx=0.33Cossφ=0..7tggφ=1..02Pjs=0.33×1.1==0.333kWQjs=Pjjs×tgφ=0.333×1.022=0..34kvvar(16)、木工圓鋸鋸Kx=0.33Cossφ=0..6tggφ=1..33Pjs=0.33×3=00.9kWWQjs=Pjjs×tgφ=0.9××1.33=1.22kvarr(17)、交流電焊焊機(jī)Kx=0.335Coosφ=0..4tggφ=2..29將Jc=50%統(tǒng)一換換算到Jc1=1000%的額定定容量Pn=Sn×CCosφ=9××0.4=33.6kWPe=n×(JJc/Jc1)1/2×Pn=1×(0.5/11)1/2×3.6==2.555kWPjs=Kxx×Pe=0.335×2.55=0.889kWQjs=Pjjs×tgφ=0.899×2.299=2..04kvvar(18)、插入式振振動(dòng)器Kx=0.33Cossφ=0..7tggφ=1..02Pjs=0.33×1.1==0.333kWQjs=Pjjs×tgφ=0.333×1.022=0..34kvvar(19)、木工圓鋸鋸Kx=0.33Cossφ=0..6tggφ=1..33Pjs=0.33×3=00.9kWWQjs=Pjjs×tgφ=0.9××1.33=1.22kvarr(20)、交流電焊焊機(jī)Kx=0.335Coosφ=0..4tggφ=2..29將Jc=50%統(tǒng)一換換算到Jc1=1000%的額定定容量Pn=Sn×CCosφ=9××0.4=33.6kWPe=n×(JJc/Jc1)1/2×Pn=1×(0.5/11)1/2×3.6==2.555kWPjs=Kxx×Pe=0.335×2.55=0.889kWQjs=Pjjs×tgφ=0.899×2.299=2..04kvvar(21)、插入式振振動(dòng)器Kx=0.33Cossφ=0..7tggφ=1..02Pjs=0.33×1.1==0.333kWQjs=Pjjs×tgφ=0.333×1.022=0..34kvvar(22)、木工圓鋸鋸Kx=0.33Cossφ=0..6tggφ=1..33Pjs=0.33×3=00.9kWWQjs=Pjjs×tgφ=0.9××1.33=1.22kvarr(23)、交流電焊焊機(jī)Kx=0.335Coosφ=0..4tggφ=2..29將Jc=50%統(tǒng)一換換算到Jc1=1000%的額定定容量Pn=Sn×CCosφ=9××0.4=33.6kWPe=n×(JJc/Jc1)1/2×Pn=1×(0.5/11)1/2×3.6==2.555kWPjs=Kxx×Pe=0.335×2.55=0.889kWQjs=Pjjs×tgφ=0.899×2.299=2..04kvvar(24)、插入式振振動(dòng)器Kx=0.33Cossφ=0..7tggφ=1..02Pjs=0.33×1.1==0.333kWQjs=Pjjs×tgφ=0.333×1.022=0..34kvvar(25)、木工圓鋸鋸Kx=0.33Cossφ=0..6tggφ=1..33Pjs=0.33×3=00.9kWWQjs=Pjjs×tgφ=0.9××1.33=1.22kvarr(26)、交流電焊焊機(jī)Kx=0.335Coosφ=0..4tggφ=2..29將Jc=50%統(tǒng)一換換算到Jc1=1000%的額定定容量Pn=Sn×CCosφ=9××0.4=33.6kWPe=n×(JJc/Jc1)1/2×Pn=1×(0.5/11)1/2×3.6==2.555kWPjs=Kxx×Pe=0.335×2.55=0.889kWQjs=Pjjs×tgφ=0.899×2.299=2..04kvvar(27)、插入式振振動(dòng)器Kx=0.33Cossφ=0..7tggφ=1..02Pjs=0.33×1.1==0.333kWQjs=Pjjs×tgφ=0.333×1.022=0..34kvvar(28)、木工圓鋸鋸Kx=0.33Cossφ=0..6tggφ=1..33Pjs=0.33×3=00.9kWWQjs=Pjjs×tgφ=0.9××1.33=1.22kvarr(29)、交流電焊焊機(jī)Kx=0.335Coosφ=0..4tggφ=2..29將Jc=50%統(tǒng)一換換算到Jc1=1000%的額定定容量Pn=Sn×CCosφ=9××0.4=33.6kWPe=n×(JJc/Jc1)1/2×Pn=1×(0.5/11)1/2×3.6==2.555kWPjs=Kxx×Pe=0.335×2.55=0.889kWQjs=Pjjs×tgφ=0.899×2.299=2..04kvvar(30)、插入式振振動(dòng)器Kx=0.33Cossφ=0..7tggφ=1..02Pjs=0.33×1.1==0.333kWQjs=Pjjs×tgφ=0.333×1.022=0..34kvvar(31)、木工圓鋸鋸Kx=0.33Cossφ=0..6tggφ=1..33Pjs=0.33×3=00.9kWWQjs=Pjjs×tgφ=0.9××1.33=1.22kvarr(32)、交流電焊焊機(jī)Kx=0.335Coosφ=0..4tggφ=2..29將Jc=50%統(tǒng)一換換算到Jc1=1000%的額定定容量Pn=Sn×CCosφ=9××0.4=33.6kWPe=n×(JJc/Jc1)1/2×Pn=1×(0.5/11)1/2×3.6==2.555kWPjs=Kxx×Pe=0.335×2.55=0.889kWQjs=Pjjs×tgφ=0.899×2.299=2..04kvvar(33)、插入式振振動(dòng)器Kx=0.33Cossφ=0..7tggφ=1..02Pjs=0.33×1.1==0.333kWQjs=Pjjs×tgφ=0.333×1.022=0..34kvvar(34)、木工圓鋸鋸Kx=0.33Cossφ=0..6tggφ=1..33Pjs=0.33×3=00.9kWWQjs=Pjjs×tgφ=0.9××1.33=1.22kvarr(35)、交流電焊焊機(jī)Kx=0.335Coosφ=0..4tggφ=2..29將Jc=50%統(tǒng)一換換算到Jc1=1000%的額定定容量Pn=Sn×CCosφ=9××0.4=33.6kWPe=n×(JJc/Jc1)1/2×Pn=1×(0.5/11)1/2×3.6==2.555kWPjs=Kxx×Pe=0.335×2.55=0.889kWQjs=Pjjs×tgφ=0.899×2.299=2..04kvvar(36)、插入式振振動(dòng)器Kx=0.33Cossφ=0..7tggφ=1..02Pjs=0.33×1.1==0.333kWQjs=Pjjs×tgφ=0.333×1.022=0..34kvvar(37)、木工圓鋸鋸Kx=0.33Cossφ=0..6tggφ=1..33Pjs=0.33×3=00.9kWWQjs=Pjjs×tgφ=0.9××1.33=1.22kvarr(38)、交流電焊焊機(jī)Kx=0.335Coosφ=0..4tggφ=2..29將Jc=50%統(tǒng)一換換算到Jc1=1000%的額定定容量Pn=Sn×CCosφ=9××0.4=33.6kWPe=n×(JJc/Jc1)1/2×Pn=1×(0.5/11)1/2×3.6==2.555kWPjs=Kxx×Pe=0.335×2.55=0.889kWQjs=Pjjs×tgφ=0.899×2.299=2..04kvvar(39)、插入式振振動(dòng)器Kx=0.33Cossφ=0..7tggφ=1..02Pjs=0.33×1.1==0.333kWQjs=Pjjs×tgφ=0.333×1.022=0..34kvvar(40)、木工圓鋸鋸Kx=0.33Cossφ=0..6tggφ=1..33Pjs=0.33×3=00.9kWWQjs=Pjjs×tgφ=0.9××1.33=1.22kvarr(41)、交流電焊焊機(jī)Kx=0.335Coosφ=0..4tggφ=2..29將Jc=50%統(tǒng)一換換算到Jc1=1000%的額定定容量Pn=Sn×CCosφ=9××0.4=33.6kWPe=n×(JJc/Jc1)1/2×Pn=1×(0.5/11)1/2×3.6==2.555kWPjs=Kxx×Pe=0.335×2.55=0.889kWQjs=Pjjs×tgφ=0.899×2.299=2..04kvvar(42)、插入式振振動(dòng)器Kx=0.33Cossφ=0..7tggφ=1..02Pjs=0.33×3.3==0.999kWQjs=Pjjs×tgφ=0.999×1.022=1..01kvvar(43)、木工圓鋸鋸Kx=0.33Cossφ=0..6tggφ=1..33Pjs=0.33×3=00.9kWWQjs=Pjjs×tgφ=0.9××1.33=1.22kvarr(44)、交流電焊焊機(jī)Kx=0.335Coosφ=0..4tggφ=2..29將Jc=50%統(tǒng)一換換算到Jc1=1000%的額定定容量Pn=Sn×CCosφ=9××0.4=33.6kWPe=n×(JJc/Jc1)1/2×Pn=1×(0.5/11)1/2×3.6==2.555kWPjs=Kxx×Pe=0.335×2.55=0.889kWQjs=Pjjs×tgφ=0.899×2.299=2..04kvvar(45)、插入式振振動(dòng)器Kx=0.33Cossφ=0..7tggφ=1..02Pjs=0.33×3.3==0.999kWQjs=Pjjs×tgφ=0.999×1.022=1..01kvvar(46)、木工圓鋸鋸Kx=0.33Cossφ=0..6tggφ=1..33Pjs=0.33×3=00.9kWWQjs=Pjjs×tgφ=0.9××1.33=1.22kvarr(47)、交流電焊焊機(jī)Kx=0.335Coosφ=0..4tggφ=2..29將Jc=50%統(tǒng)一換換算到Jc1=1000%的額定定容量Pn=Sn×CCosφ=9××0.4=33.6kWPe=n×(JJc/Jc1)1/2×Pn=1×(0.5/11)1/2×3.6==2.555kWPjs=Kxx×Pe=0.335×2.55=0.889kWQjs=Pjjs×tgφ=0.899×2.299=2..04kvvar(48)、插入式振振動(dòng)器Kx=0.33Cossφ=0..7tggφ=1..02Pjs=0.33×3.3==0.999kWQjs=Pjjs×tgφ=0.999×1.022=1..01kvvar(49)、木工圓鋸鋸Kx=0.33Cossφ=0..6tggφ=1..33Pjs=0.33×3=00.9kWWQjs=Pjjs×tgφ=0.9××1.33=1.22kvarr(50)、交流電焊焊機(jī)Kx=0.335Coosφ=0..4tggφ=2..29將Jc=50%統(tǒng)一換換算到Jc1=1000%的額定定容量Pn=Sn×CCosφ=9××0.4=33.6kWPe=n×(JJc/Jc1)1/2×Pn=1×(0.5/11)1/2×3.6==2.555kWPjs=Kxx×Pe=0.335×2.55=0.889kWQjs=Pjjs×tgφ=0.899×2.299=2..04kvvar(51)、插入式振振動(dòng)器Kx=0.33Cossφ=0..7tggφ=1..02Pjs=0.33×3.3==0.999kWQjs=Pjjs×tgφ=0.999×1.022=1..01kvvar(52)、木工圓鋸鋸Kx=0.33Cossφ=0..6tggφ=1..33Pjs=0.33×3=00.9kWWQjs=Pjjs×tgφ=0.9××1.33=1.22kvarr(53)、交流電焊焊機(jī)Kx=0.335Coosφ=0..4tggφ=2..29將Jc=50%統(tǒng)一換換算到Jc1=1000%的額定定容量Pn=Sn×CCosφ=9××0.4=33.6kWPe=n×(JJc/Jc1)1/2×Pn=1×(0.5/11)1/2×3.6==2.555kWPjs=Kxx×Pe=0.335×2.55=0.889kWQjs=Pjjs×tgφ=0.899×2.299=2..04kvvar(54)、插入式振振動(dòng)器Kx=0.33Cossφ=0..7tggφ=1..02Pjs=0.33×3.3==0.999kWQjs=Pjjs×tgφ=0.999×1.022=1..01kvvar(55)、木工圓鋸鋸Kx=0.33Cossφ=0..6tggφ=1..33Pjs=0.33×3=00.9kWWQjs=Pjjs×tgφ=0.9××1.33=1.22kvarr(56)、交流電焊焊機(jī)Kx=0.335Coosφ=0..4tggφ=2..29將Jc=50%統(tǒng)一換換算到Jc1=1000%的額定定容量Pn=Sn×CCosφ=9××0.4=33.6kWPe=n×(JJc/Jc1)1/2×Pn=1×(0.5/11)1/2×3.6==2.555kWPjs=Kxx×Pe=0.335×2.55=0.889kWQjs=Pjjs×tgφ=0.899×2.299=2..04kvvar(57)、插入式振振動(dòng)器Kx=0.33Cossφ=0..7tggφ=1..02Pjs=0.33×3.3==0.999kWQjs=Pjjs×tgφ=0.999×1.022=1..01kvvar(58)、木工圓鋸鋸Kx=0.33Cossφ=0..6tggφ=1..33Pjs=0.33×3=00.9kWWQjs=Pjjs×tgφ=0.9××1.33=1.22kvarr(59)、交流電焊焊機(jī)Kx=0.335Coosφ=0..4tggφ=2..29將Jc=50%統(tǒng)一換換算到Jc1=1000%的額定定容量Pn=Sn×CCosφ=9××0.4=33.6kWPe=n×(JJc/Jc1)1/2×Pn=1×(0.5/11)1/2×3.6==2.555kWPjs=Kxx×Pe=0.335×2.55=0.889kWQjs=Pjjs×tgφ=0.899×2.299=2..04kvvar(60)、插入式振振動(dòng)器Kx=0.33Cossφ=0..7tggφ=1..02Pjs=0.33×3.3==0.999kWQjs=Pjjs×tgφ=0.999×1.022=1..01kvvar(61)、木工圓鋸鋸Kx=0.33Cossφ=0..6tggφ=1..33Pjs=0.33×3=00.9kWWQjs=Pjjs×tgφ=0.9××1.33=1.22kvarr(62)、交流電焊焊機(jī)Kx=0.335Coosφ=0..4tggφ=2..29將Jc=50%統(tǒng)一換換算到Jc1=1000%的額定定容量Pn=Sn×CCosφ=9××0.4=33.6kWPe=n×(JJc/Jc1)1/2×Pn=1×(0.5/11)1/2×3.6==2.555kWPjs=Kxx×Pe=0.335×2.55=0.889kWQjs=Pjjs×tgφ=0.899×2.299=2..04kvvar(63)、插入式振振動(dòng)器Kx=0.33Cossφ=0..7tggφ=1..02Pjs=0.33×3.3==0.999kWQjs=Pjjs×tgφ=0.999×1.022=1..01kvvar(64)、木工圓鋸鋸Kx=0.33Cossφ=0..6tggφ=1..33Pjs=0.33×3=00.9kWWQjs=Pjjs×tgφ=0.9××1.33=1.22kvarr(65)、交流電焊焊機(jī)Kx=0.335Coosφ=0..4tggφ=2..29將Jc=50%統(tǒng)一換換算到Jc1=1000%的額定定容量Pn=Sn×CCosφ=9××0.4=33.6kWPe=n×(JJc/Jc1)1/2×Pn=1×(0.5/11)1/2×3.6==2.555kWPjs=Kxx×Pe=0.335×2.55=0.889kWQjs=Pjjs×tgφ=0.899×2.299=2..04kvvar(66)、插入式振振動(dòng)器Kx=0.33Cossφ=0..7tggφ=1..02Pjs=0.33×3.3==0.999kWQjs=Pjjs×tgφ=0.999×1.022=1..01kvvar(67)、木工圓鋸鋸Kx=0.33Cossφ=0..6tggφ=1..33Pjs=0.33×3=00.9kWWQjs=Pjjs×tgφ=0.9××1.33=1.22kvarr(68)、交流電焊焊機(jī)Kx=0.335Coosφ=0..4tggφ=2..29將Jc=50%統(tǒng)一換換算到Jc1=1000%的額定定容量Pn=Sn×CCosφ=9××0.4=33.6kWPe=n×(JJc/Jc1)1/2×Pn=1×(0.5/11)1/2×3.6==2.555kWPjs=Kxx×Pe=0.335×2.55=0.889kWQjs=Pjjs×tgφ=0.899×2.299=2..04kvvar(69)、插入式振振動(dòng)器Kx=0.33Cossφ=0..7tggφ=1..02Pjs=0.33×3.3==0.999kWQjs=Pjjs×tgφ=0.999×1.022=1..01kvvar(70)、木工圓鋸鋸Kx=0.33Cossφ=0..6tggφ=1..33Pjs=0.33×3=00.9kWWQjs=Pjjs×tgφ=0.9××1.33=1.22kvarr(71)、交流電焊焊機(jī)Kx=0.335Coosφ=0..4tggφ=2..29將Jc=50%統(tǒng)一換換算到Jc1=1000%的額定定容量Pn=Sn×CCosφ=9××0.4=33.6kWPe=n×(JJc/Jc1)1/2×Pn=1×(0.5/11)1/2×3.6==2.555kWPjs=Kxx×Pe=0.335×2.55=0.889kWQjs=Pjjs×tgφ=0.899×2.299=2..04kvvar(72)、插入式振振動(dòng)器Kx=0.33Cossφ=0..7tggφ=1..02Pjs=0.33×3.3==0.999kWQjs=Pjjs×tgφ=0.999×1.022=1..01kvvar(73)、木工圓鋸鋸Kx=0.33Cossφ=0..6tggφ=1..33Pjs=0.33×3=00.9kWWQjs=Pjjs×tgφ=0.9××1.33=1.22kvarr(74)、交流電焊焊機(jī)Kx=0.335Coosφ=0..4tggφ=2..29將Jc=50%統(tǒng)一換換算到Jc1=1000%的額定定容量Pn=Sn×CCosφ=9××0.4=33.6kWPe=n×(JJc/Jc1)1/2×Pn=1×(0.5/11)1/2×3.6==2.555kWPjs=Kxx×Pe=0.335×2.55=0.889kWQjs=Pjjs×tgφ=0.899×2.299=2..04kvvar(75)、插入式振振動(dòng)器Kx=0.33Cossφ=0..7tggφ=1..02Pjs=0.33×3.3==0.999kWQjs=Pjjs×tgφ=0.999×1.022=1..01kvvar(76)、木工圓鋸鋸Kx=0.33Cossφ=0..6tggφ=1..33Pjs=0.33×3=00.9kWWQjs=Pjjs×tgφ=0.9××1.33=1.22kvarr(77)、交流電焊焊機(jī)Kx=0.335Coosφ=0..4tggφ=2..29將Jc=50%統(tǒng)一換換算到Jc1=1000%的額定定容量Pn=Sn×CCosφ=9××0.4=33.6kWPe=n×(JJc/Jc1)1/2×Pn=1×(0.5/11)1/2×3.6==2.555kWPjs=Kxx×Pe=0.335×2.55=0.889kWQjs=Pjjs×tgφ=0.899×2.299=2..04kvvar(78)、插入式振振動(dòng)器Kx=0.33Cossφ=0..7tggφ=1..02Pjs=0.33×3.3==0.999kWQjs=Pjjs×tgφ=0.999×1.022=1..01kvvar(79)、木工圓鋸鋸Kx=0.33Cossφ=0..6tggφ=1..33Pjs=0.33×3=00.9kWWQjs=Pjjs×tgφ=0.9××1.33=1.22kvarr(80)、交流電焊焊機(jī)Kx=0.335Coosφ=0..4tggφ=2..29將Jc=50%統(tǒng)一換換算到Jc1=1000%的額定定容量Pn=Sn×CCosφ=9××0.4=33.6kWPe=n×(JJc/Jc1)1/2×Pn=1×(0.5/11)1/2×3.6==2.555kWPjs=Kxx×Pe=0.335×2.55=0.889kWQjs=Pjjs×tgφ=0.899×2.299=2..04kvvar(81)、建筑施工工外用電梯Kx=0.22Cossφ=0..6tggφ=1..33Pjs=0.22×11=2.2kkWQjs=Pjjs×tgφ=2.2××1.33=2.993kvaar(82)、塔式起重重機(jī)Kx=0.22Cossφ=0..6tggφ=1..33將Jc=40%統(tǒng)一換換算到Jc1=255%的額定容容量Pn=55.5kkWPe=n×(JJc/Jc1)1/2×Pn=1×(0.4/00.25)11/2×55.5=70..2kWPjs=Kxx×Pe=0.22×70.2=14..04kWQjs=Pjjs×tgφ=14.004×1.333=118.72kvar(83)、自落式混混凝土攪拌機(jī)機(jī)Kx=0.775Coosφ=0..85ttgφ=0..62Pjs=0.775×15=11.255kWQjs=Pjjs×tgφ=11.225×0.662=66.97kkvar(84)總的計(jì)算負(fù)負(fù)荷計(jì)算，總箱同期系系數(shù)取Kxx=0..9總的有功功率Pjs=Kx××ΣPjs=00.9×(444.19++3.3+11.8+4..95+1..8+2.228+14..04+2..2+0.889+0.666+0.99+0.9++0.33++0.89++0.33++0.9+00.89+00.33+00.9+0..89+0..33+0..9+0.889+0.333+0.99+0.899+0.333+0.9++0.89++0.33++0.9+00.89+00.33+00.9+0..89+0..33+0..9+0.889+0.333+0.99+0.899+0.999+0.9++0.89++0.99++0.9+00.89+00.99+00.9+0..89+0..99+0..9+0.889+0.999+0.99+0.899+0.999+0.9++0.89++0.99++0.9+00.89+00.99+00.9+0..89+0..99+0..9+0.889+0.999+0.99+0.899+0.999+0.9++0.89++0.99++0.9+00.89+00.99+00.9+0..89+2..2+14..04+111.25)=1455.68kkW總的無(wú)功功率Qjs=Kx××ΣQjs=0..9×(588.93+33.37+11.84+66.6+2..4+5.222+18..72+2..93+2..04+0..67+1..2+1.22+0.344+2.044+0.344+1.2++2.04++0.34++1.2+22.04+00.34+11.2+2..04+0..34+1..2+2.004+0.334+1.22+2.044+0.344+1.2++2.04++0.34++1.2+22.04+00.34+11.2+2..04+0..34+1..2+2.004+1.001+1.22+2.044+1.011+1.2++2.04++1.01++1.2+22.04+11.01+11.2+2..04+1..01+1..2+2.004+1.001+1.22+2.044+1.011+1.2++2.04++1.01++1.2+22.04+11.01+11.2+2..04+1..01+1..2+2.004+1.001+1.22+2.044+1.011+1.2++2.04++1.01++1.2+22.04+22.93+118.72++6.97))=2001.2266kvarr總的視在功率Sjs=(PPjs2+Qjs2)1/2=(145..682+201..2262)1/2=248.4424kVVA總的計(jì)算電流計(jì)算算Ijs=Sjss/(1.7732×Ue)=2248.4224/(1..732×0.38))=3777.4522A3、1號(hào)干線線路上導(dǎo)線線截面及分配配箱、開(kāi)關(guān)箱箱內(nèi)電氣設(shè)備備選擇:在選擇前應(yīng)對(duì)照平平面圖和系統(tǒng)統(tǒng)圖先由用電電設(shè)備至開(kāi)關(guān)關(guān)箱計(jì)算，再再由開(kāi)關(guān)箱至至分配箱計(jì)算算，選擇導(dǎo)線線及開(kāi)關(guān)設(shè)備備。分配箱至至開(kāi)關(guān)箱，開(kāi)開(kāi)關(guān)箱至用電電設(shè)備的導(dǎo)線線敷設(shè)采用銅銅橡皮絕緣導(dǎo)導(dǎo)線穿焊接鋼鋼管敷設(shè)，由由于這部分距距離較短，因因此不考慮電電壓降，只按按安全載流量量選擇導(dǎo)線截截面。(1)、鋼筋對(duì)焊機(jī)機(jī)125開(kāi)關(guān)箱箱至鋼筋對(duì)焊焊機(jī)125導(dǎo)線截截面及開(kāi)關(guān)箱箱內(nèi)電氣設(shè)備備選擇（開(kāi)關(guān)關(guān)箱以下機(jī)械械啟動(dòng)后需要要系數(shù)取1）:i)計(jì)算電流Kx=1Cosφ=0..6tggφ=1..33Ijs=Kx××Pe/(11.732××Ue×Cosφ)=11×88.339/(1..732×00.38×00.6)==223..83Aii)選擇導(dǎo)線選擇BX-4×995+1×50，穿焊焊接鋼管時(shí)其其安全載流量量為235AA。iii)選擇電氣氣設(shè)備選擇開(kāi)關(guān)箱內(nèi)開(kāi)關(guān)關(guān)為DZ100-600//3，其脫脫扣器整定電電流值為Irr=4880A。漏電保護(hù)器為DDZ10L--250/33。(2)、N1箱至第第1組電機(jī)(鋼筋對(duì)焊機(jī)機(jī)125)的開(kāi)開(kāi)關(guān)箱的導(dǎo)線線截面及分配配箱內(nèi)開(kāi)關(guān)的的選擇i)計(jì)算電流鋼筋對(duì)焊機(jī)1255Kx=0.55Cossφ=0.66tgφ=1.333Ijs=Kxx×Pe×臺(tái)數(shù)/(1..732×Ue×Cosφ)=00.5×888.39×11/(1.7732×0..38×0..6)=111.991AIjs(1組電機(jī))=1111.91AA該組中最大的開(kāi)關(guān)關(guān)箱電流Ijs=2233.83A兩者中取大值Ijjs=2233.83Aii)選擇導(dǎo)線選擇BX-4×995+1×50，穿焊焊接鋼管時(shí)其其安全載流量量為235AA。iii)選擇電氣氣設(shè)備選擇分配箱內(nèi)開(kāi)關(guān)關(guān)為DZ100-600//3，其脫脫扣器整定電電流值為Ir=4880A。(3)N1箱進(jìn)線及及進(jìn)線開(kāi)關(guān)的的選擇i)計(jì)算電流Kx=0.7，CCosφ=0..9Ijs=Kx××Pe/(11.732××Ue×Cosφ)=00.7×1225/(1..732×00.38×00.9)==147..72A該分箱下最大組線線電流Ijs=2233.83A兩者中取大值Ijjs=2233.83Aii)選擇導(dǎo)線選擇BX-4×995+1×50，穿焊焊接鋼管時(shí)其其安全載流量量為235AA。iii)選擇電氣氣設(shè)備選擇分配箱進(jìn)線開(kāi)開(kāi)關(guān)為DZ110-6000/3，其其脫扣器整定定電流值為IIr=4880A。(4)1號(hào)干線導(dǎo)線線截面及出線線開(kāi)關(guān)的選擇擇i)計(jì)算電流：：按導(dǎo)線安全載流量量：Kx=0.7，Cosφ=0..9Ijs=Kx××ΣPe/(1.7732×Uee×Cosφ)=00.7×1225/(1..732×00.38×00.9)==147..72A該干線下最大的分分配箱電流IIjs=2233.83A選擇的電流Ijss=223..83A按允許電壓降：S=Kx×ΣΣ(P×L)//C△U=00.7×125×50/(777×5)=11.3664mm22選擇BX-4×995+1×50，穿焊焊接鋼管時(shí)其其安全載流量量為235AA。ii)選擇出線開(kāi)開(kāi)關(guān)1號(hào)干線出線開(kāi)關(guān)選選擇DZ100-600//3，其脫脫扣器整定電電流值為Ir=4800A。4、2號(hào)干線線路上導(dǎo)線線截面及分配配箱、開(kāi)關(guān)箱箱內(nèi)電氣設(shè)備備選擇:在選擇前應(yīng)對(duì)照平平面圖和系統(tǒng)統(tǒng)圖先由用電電設(shè)備至開(kāi)關(guān)關(guān)箱計(jì)算，再再由開(kāi)關(guān)箱至至分配箱計(jì)算算，選擇導(dǎo)線線及開(kāi)關(guān)設(shè)備備。分配箱至至開(kāi)關(guān)箱，開(kāi)開(kāi)關(guān)箱至用電電設(shè)備的導(dǎo)線線敷設(shè)采用銅銅橡皮絕緣導(dǎo)導(dǎo)線穿焊接鋼鋼管敷設(shè)，由由于這部分距距離較短，因因此不考慮電電壓降，只按按安全載流量量選擇導(dǎo)線截截面。(1)、鋼筋切斷機(jī)機(jī)開(kāi)關(guān)箱至鋼鋼筋切斷機(jī)導(dǎo)導(dǎo)線截面及開(kāi)開(kāi)關(guān)箱內(nèi)電氣氣設(shè)備選擇（開(kāi)開(kāi)關(guān)箱以下機(jī)機(jī)械啟動(dòng)后需需要系數(shù)取11）:i)計(jì)算電流Kx=1Cosφ=0..7tggφ=1..02Ijs=Kx××Pe/(11.732××Ue×Cosφ)=11×5.5//(1.7332×0.338×0.77)=111.94AAii)選擇導(dǎo)線選擇BX-4×11+1×0.75，穿焊接鋼鋼管時(shí)其安全全載流量為114A。iii)選擇電氣氣設(shè)備由于開(kāi)關(guān)控制2臺(tái)臺(tái)機(jī)械，開(kāi)關(guān)關(guān)的電流為IIr=11..94×2.00((臺(tái)數(shù))=223.88A。選擇開(kāi)關(guān)箱內(nèi)開(kāi)關(guān)關(guān)為Hk1--30/3，熔斷器RCC1A-600其最大熔體體電流為IIRD=660A，可根根據(jù)實(shí)際電流的2..5倍選擇額額定電流較小小的熔絲，漏漏電保護(hù)器為為DZ100L-1000/3。(2)、鋼筋彎曲機(jī)機(jī)開(kāi)關(guān)箱至鋼鋼筋彎曲機(jī)導(dǎo)導(dǎo)線截面及開(kāi)開(kāi)關(guān)箱內(nèi)電氣氣設(shè)備選擇（開(kāi)開(kāi)關(guān)箱以下機(jī)機(jī)械啟動(dòng)后需需要系數(shù)取11）:i)計(jì)算電流Kx=1Cosφ=0..7tggφ=1..02Ijs=Kx××Pe/(11.732××Ue×Cosφ)=11×3/(11.732××0.38××0.7)=6.551Aii)選擇導(dǎo)線選擇BX-4×11+1×0.75，穿焊接鋼鋼管時(shí)其安全全載流量為114A。iii)選擇電氣氣設(shè)備由于開(kāi)關(guān)控制2臺(tái)臺(tái)機(jī)械，開(kāi)關(guān)關(guān)的電流為IIr=6.551×2.00((臺(tái)數(shù))=113.02A。選擇開(kāi)關(guān)箱內(nèi)開(kāi)關(guān)關(guān)為Hk1--15/3，熔斷器RCC1A-155其最大熔體體電流為IIRD=115A，可根根據(jù)實(shí)際電流的2..5倍選擇額額定電流較小小的熔絲，漏漏電保護(hù)器為為DZ100L-1000/3。(3)、N2箱至第第1組電機(jī)(鋼筋切斷機(jī)機(jī)、鋼筋彎曲曲機(jī))的開(kāi)關(guān)箱的的導(dǎo)線截面及及分配箱內(nèi)開(kāi)開(kāi)關(guān)的選擇i)計(jì)算電流鋼筋切斷機(jī)Kx=0.33Cossφ=0.77tgφ=1.002Ijs=Kxx×Pe×臺(tái)數(shù)/(1..732×Ue×Cosφ)=00.3×5..5×2/((1.7322×0.388×0.7))=7..16A鋼筋彎曲機(jī)Kx=0.33Cossφ=0.77tgφ=1.002Ijs=Kxx×Pe×臺(tái)數(shù)/(1..732×Ue×Cosφ)=00.3×3××2/(1..732×00.38×00.7)==3.911AIjs(1組電機(jī))=111.07A該組中最大的開(kāi)關(guān)關(guān)箱電流Ijs=23..88A由于該組下有多個(gè)個(gè)開(kāi)關(guān)箱，所所以最大電流流需要乘以11.1的系數(shù)數(shù)兩者中取大值Ijjs=23..88×1.1=226.26AAii)選擇導(dǎo)線選擇BX-4×44+1×2.5，穿穿焊接鋼管時(shí)時(shí)其安全載流流量為33AA。iii)選擇電氣氣設(shè)備選擇分配箱內(nèi)開(kāi)關(guān)關(guān)為DZ5--50/3，其脫扣器器整定電流值值為Ir=400A。(4)N2箱進(jìn)線及及進(jìn)線開(kāi)關(guān)的的選擇i)計(jì)算電流Kx=0.7，CCosφ=0..9Ijs=Kx××Pe/(11.732××Ue×Cosφ)=00.7×8..5/(1..732×00.38×00.9)==10.004A該分箱下最大組線線電流Ijs=26..26A兩者中取大值Ijjs=26..26Aii)選擇導(dǎo)線選擇BX-4×44+1×2.5，穿穿焊接鋼管時(shí)時(shí)其安全載流流量為33AA。iii)選擇電氣氣設(shè)備選擇分配箱進(jìn)線開(kāi)開(kāi)關(guān)為DZ55-50/33，其脫扣扣器整定電流流值為Ir=400A。(5)2號(hào)干線導(dǎo)線線截面及出線線開(kāi)關(guān)的選擇擇i)計(jì)算電流：：按導(dǎo)線安全載流量量：Kx=0.7，Cosφ=0..9Ijs=Kx××ΣPe/(1.7732×Uee×Cosφ)=00.7×8..5/(1..732×00.38×00.9)==10.004A該干線下最大的分分配箱電流IIjs=26..26A選擇的電流Ijss=26.226A按允許電壓降：S=Kx×ΣΣ(P×L)//C△U=00.7×8.5×100/((77×5)=1.5455mm2選擇BX-4×44+1×2.5，穿穿焊接鋼管時(shí)時(shí)其安全載流流量為33AA。ii)選擇出線開(kāi)開(kāi)關(guān)2號(hào)干線出線開(kāi)關(guān)選選擇DZ5--50/3，其脫扣器器整定電流值值為Ir=40AA。5、3號(hào)干線線路上導(dǎo)線線截面及分配配箱、開(kāi)關(guān)箱箱內(nèi)電氣設(shè)備備選擇:在選擇前應(yīng)對(duì)照平平面圖和系統(tǒng)統(tǒng)圖先由用電電設(shè)備至開(kāi)關(guān)關(guān)箱計(jì)算，再再由開(kāi)關(guān)箱至至分配箱計(jì)算算，選擇導(dǎo)線線及開(kāi)關(guān)設(shè)備備。分配箱至至開(kāi)關(guān)箱，開(kāi)開(kāi)關(guān)箱至用電電設(shè)備的導(dǎo)線線敷設(shè)采用銅銅橡皮絕緣導(dǎo)導(dǎo)線穿焊接鋼鋼管敷設(shè)，由由于這部分距距離較短，因因此不考慮電電壓降，只按按安全載流量量選擇導(dǎo)線截截面。(1)、木工圓鋸開(kāi)開(kāi)關(guān)箱至木工工圓鋸導(dǎo)線截截面及開(kāi)關(guān)箱箱內(nèi)電氣設(shè)備備選擇（開(kāi)關(guān)關(guān)箱以下機(jī)械械啟動(dòng)后需要要系數(shù)取1）:i)計(jì)算電流Kx=1Cosφ=0..6tggφ=1..33Ijs=Kx××Pe/(11.732××Ue×Cosφ)=11×5.5//(1.7332×0.338×0.66)=113.93AAii)選擇導(dǎo)線選擇BX-4×11+1×0.75，穿焊接鋼鋼管時(shí)其安全全載流量為114A。iii)選擇電氣氣設(shè)備由于開(kāi)關(guān)控制3臺(tái)臺(tái)機(jī)械，開(kāi)關(guān)關(guān)的電流為IIr=13..93×3.00((臺(tái)數(shù))=441.78A。選擇開(kāi)關(guān)箱內(nèi)開(kāi)關(guān)關(guān)為Hk1--60/3，熔斷器RCC1A-600其最大熔體體電流為IIRD=660A，可根根據(jù)實(shí)際電流的2..5倍選擇額額定電流較小小的熔絲，漏漏電保護(hù)器為為DZ100L-1000/3。(2)、木工平刨床床開(kāi)關(guān)箱至木木工平刨床導(dǎo)導(dǎo)線截面及開(kāi)開(kāi)關(guān)箱內(nèi)電氣氣設(shè)備選擇（開(kāi)開(kāi)關(guān)箱以下機(jī)機(jī)械啟動(dòng)后需需要系數(shù)取11）:i)計(jì)算電流Kx=1Cosφ=0..6tggφ=1..33Ijs=Kx××Pe/(11.732××Ue×Cosφ)=11×3/(11.732××0.38××0.6)=7.66Aii)選擇導(dǎo)線選擇BX-4×11+1×0.75，穿焊接鋼鋼管時(shí)其安全全載流量為114A。iii)選擇電氣氣設(shè)備由于開(kāi)關(guān)控制2臺(tái)臺(tái)機(jī)械，開(kāi)關(guān)關(guān)的電流為IIr=7.660×2.00((臺(tái)數(shù))=115.19A。選擇開(kāi)關(guān)箱內(nèi)開(kāi)關(guān)關(guān)為Hk1--30/3，熔斷器RCC1A-600其最大熔體體電流為IIRD=660A，可根根據(jù)實(shí)際電流的2..5倍選擇額額定電流較小小的熔絲，漏漏電保護(hù)器為為DZ100L-1000/3。(3)、N3箱至第第1組電機(jī)(木工圓鋸、木木工平刨床))的開(kāi)關(guān)箱的的導(dǎo)線截面及及分配箱內(nèi)開(kāi)開(kāi)關(guān)的選擇i)計(jì)算電流木工圓鋸Kx=0.33Cossφ=0.66tgφ=1.333Ijs=Kxx×Pe×臺(tái)數(shù)/(1..732×Ue×Cosφ)=00.3×5..5×3/((1.7322×0.388×0.6))=122.53A木工平刨床Kx=0.33Cossφ=0.66tgφ=1.333Ijs=Kxx×Pe×臺(tái)數(shù)/(1..732×Ue×Cosφ)=00.3×3××2/(1..732×00.38×00.6)==4.566AIjs(1組電機(jī))=177.09A該組中最大的開(kāi)關(guān)關(guān)箱電流Ijs=41..78A由于該組下有多個(gè)個(gè)開(kāi)關(guān)箱，所所以最大電流流需要乘以11.1的系數(shù)數(shù)兩者中取大值Ijjs=41..78×1.1=445.96AAii)選擇導(dǎo)線選擇BX-4×110+1×6，穿焊接接鋼管時(shí)其安安全載流量為為60A。iii)選擇電氣氣設(shè)備選擇分配箱內(nèi)開(kāi)關(guān)關(guān)為DZ100-100//3，其脫脫扣器整定電電流值為Ir=800A。(4)N3箱進(jìn)線及及進(jìn)線開(kāi)關(guān)的的選擇i)計(jì)算電流Kx=0.7，CCosφ=0..9Ijs=Kx××Pe/(11.732××Ue×Cosφ)=00.7×8..5/(1..732×00.38×00.9)==10.004A該分箱下最大組線線電流Ijs=45..96A兩者中取大值Ijjs=45..96Aii)選擇導(dǎo)線選擇BX-4×110+1×6，穿焊接接鋼管時(shí)其安安全載流量為為60A。iii)選擇電氣氣設(shè)備選擇分配箱進(jìn)線開(kāi)開(kāi)關(guān)為DZ110-1000/3，其其脫扣器整定定電流值為IIr=800A。(5)3號(hào)干線導(dǎo)線線截面及出線線開(kāi)關(guān)的選擇擇i)計(jì)算電流：：按導(dǎo)線安全載流量量：Kx=0.7，Cosφ=0..9Ijs=Kx××ΣPe/(1.7732×Uee×Cosφ)=00.7×8..5/(1..732×00.38×00.9)==10.004A該干線下最大的分分配箱電流IIjs=45..96A選擇的電流Ijss=45.996A按允許電壓降：S=Kx×ΣΣ(P×L)//C△U=00.7×8.5×160/((77×5)=2.4733mm2選擇BX-4×110+1×6，穿焊接接鋼管時(shí)其安安全載流量為為60A。ii)選擇出線開(kāi)開(kāi)關(guān)3號(hào)干線出線開(kāi)關(guān)選選擇DZ100-100//3，其脫脫扣器整定電電流值為Ir=80AA。6、4號(hào)干線線路上導(dǎo)線線截面及分配配箱、開(kāi)關(guān)箱箱內(nèi)電氣設(shè)備備選擇:在選擇前應(yīng)對(duì)照平平面圖和系統(tǒng)統(tǒng)圖先由用電電設(shè)備至開(kāi)關(guān)關(guān)箱計(jì)算，再再由開(kāi)關(guān)箱至至分配箱計(jì)算算，選擇導(dǎo)線線及開(kāi)關(guān)設(shè)備備。分配箱至至開(kāi)關(guān)箱，開(kāi)開(kāi)關(guān)箱至用電電設(shè)備的導(dǎo)線線敷設(shè)采用銅銅橡皮絕緣導(dǎo)導(dǎo)線穿焊接鋼鋼管敷設(shè)，由由于這部分距距離較短，因因此不考慮電電壓降，只按按安全載流量量選擇導(dǎo)線截截面。(1)、辦公室照明明開(kāi)關(guān)箱至辦辦公室照明導(dǎo)導(dǎo)線截面及開(kāi)開(kāi)關(guān)箱內(nèi)電氣氣設(shè)備選擇（開(kāi)開(kāi)關(guān)箱以下機(jī)機(jī)械啟動(dòng)后需需要系數(shù)取11）:i)計(jì)算電流Kx=1Cosφ=0..4tggφ=2..29Ijs=Kx××Pe/(11.732××Ue×Cosφ)=11×3.799/(1.7732×0..38×0..4)=14.411Aii)選擇導(dǎo)線選擇BX-4×11.5+1××1，穿焊接接鋼管時(shí)其安安全載流量為為18A。iii)選擇電氣氣設(shè)備由于開(kāi)關(guān)控制100臺(tái)機(jī)械，開(kāi)開(kāi)關(guān)的電流為為Ir=144.41×10.000(臺(tái)數(shù))=1144.144A。選擇開(kāi)關(guān)箱內(nèi)開(kāi)關(guān)關(guān)為DZ5--20/3，其脫扣器器整定電流值值為Ir==16A。漏電保護(hù)器為DDZ10L--100/33。(2)、N4箱至第第1組電機(jī)(辦公室照明明)的開(kāi)關(guān)箱的的導(dǎo)線截面及及分配箱內(nèi)開(kāi)開(kāi)關(guān)的選擇i)計(jì)算電流辦公室照明Kx=0.66Cossφ=0.44tgφ=2.229Ijs=Kxx×Pe×臺(tái)數(shù)/(1..732×Ue×Cosφ)=00.6×3..79×100/(1.7732×0..38×0..4)=86.499AIjs(1組電機(jī))=866.49A該組中最大的開(kāi)關(guān)關(guān)箱電流Ijs=1444.14A兩者中取大值Ijjs=1444.14Aii)選擇導(dǎo)線選擇BX-4×550+1×25，穿焊焊接鋼管時(shí)其其安全載流量量為154AA。iii)選擇電氣氣設(shè)備選擇分配箱內(nèi)開(kāi)關(guān)關(guān)為DZ100-250//3，其脫脫扣器整定電電流值為Ir=2000A。(3)N4箱進(jìn)線及及進(jìn)線開(kāi)關(guān)的的選擇i)計(jì)算電流Kx=0.7，CCosφ=0..9Ijs=Kx××Pe/(11.732××Ue×Cosφ)=00.7×0..6/(1..732×00.38×00.9)==0.711A該分箱下最大組線線電流Ijs=1444.14A兩者中取大值Ijjs=1444.14Aii)選擇導(dǎo)線選擇BX-4×550+1×25，穿焊焊接鋼管時(shí)其其安全載流量量為154AA。iii)選擇電氣氣設(shè)備選擇分配箱進(jìn)線開(kāi)開(kāi)關(guān)為DZ110-2500/3，其其脫扣器整定定電流值為IIr=2000A。(4)4號(hào)干線導(dǎo)線線截面及出線線開(kāi)關(guān)的選擇擇i)計(jì)算電流：：按導(dǎo)線安全載流量量：Kx=0.7，Cosφ=0..9Ijs=Kx××ΣPe/(1.7732×Uee×Cosφ)=00.7×0..6/(1..732×00.38×00.9)==0.711A該干線下最大的分分配箱電流IIjs=1444.14A選擇的電流Ijss=144..14A按允許電壓降：S=Kx×