太原市城南污水处理厂施工临时用电方案方案.docx

1、太原市城南污水处理厂施工临时用电方案方案太原市城南污水处理厂临时用电专项施工方案编制人： 审核人： 审批人： 编制日期： 山西建筑工程（集团）总公司太原市城南污水处理厂（EPC）工程项目部一、工程概况太原市城南污水处理厂工程（EPC），位于山西省太原市小店区，嘉节村以东，南环高速以北绿化带内，南距南内环高速公路100m，西距太茅路150m，建设规模为20万m3/d。其中包括：粗格栅间及进水泵站、细格栅间及曝气沉砂池、初沉池集配水井及初沉污泥泵站、初沉池、生物池、二沉池集配水井及二沉污泥泵站、二沉池、中途提升泵站、深度处理车间、接触池、出水泵站、1#变电室、鼓风机房、2#变电室、加药间及3#变电

2、室、污泥均质池、污泥浓缩脱水机房、生物除臭池、办公楼、辅助楼、传达室、警卫室及水源空调站等土建施工、设备安装、联合试运转及竣工验收。二、编制依据1、严格按照现行国家标准规范并依据低压配电设计规范GB50054-95、建筑工程施工现场供电安全规范GB50194-93 、通用用电设备配电设计规范GB50055-93 、供配电系统设计规范GB50052-95、施工现场临时用电安全技术规范JGJ46-2005等规定，做到统一标准、规范编制。2、遵循总施工组织设计及施工规范的原则，在编制单位工程施工方案中，严格按照实际情况，优化施工方案，确保临时用电安全。三、配电系统的布置 本工程采用3台315VA变压

3、器直接供电。根据施工平面图中各用电设备的位置、数量及现场情况，拟采用放射式与树干式或混合的配电系统方式，由分配电箱到用电设备均采用放射式，以保证设备相互之间无干扰。根据施工总平面布置图，1#变压器主要负责生活区、3个钢筋加工区、1个木工加工区、3#、4#塔吊及管道安装的用电；2#变压器主要负责1#、5#塔吊、3个钢筋加工区、1个木工加工区及管道安装的用电；3#变压器主要负责2#、6#塔吊、1个木工加工区及2个钢筋加工区、管道加工区及管道安装的用电。地基处理碎石桩施工每台变压器负责3台振动打桩机的用电。每台变压器三级配电，一级配电由总箱分别设到塔吊、钢筋加工区、木工加工区及管道加工区；二极配电由

4、钢筋加工区、木工加工区及管道加工区分若干路分别向各个用电设备供电，用电设备设置开关形成三级配电箱。1、施工现场用电统计1#变压器用电量统计表序号机械名称型号单位数量单机功率（KW）总功率（KW）CostgKx1塔吊F0/23C台235700.71.020.32平板振动器B22台41.14.40.681.080.73插入式振动棒ZX-50台41.14.40.681.080.74镝灯个23.570.551.520.45钢筋切断机GQ-40台3390.71.020.66钢筋弯曲机GJ-2台3390.71.020.67钢筋调直机GT6/14台32.26.60.71.020.68电焊机BX2-500台3

5、38KVA114KVA0.750.880.459木工圆锯MJ104台1440.71.020.610生活用电150.811砂浆搅拌机JZ250型台1440.681.080.7安1电焊机BX1-500台738 KVA266 KVA0.750.880.45安2切割机台2480.51.730.7安3电动工具30300.750.880.82#变压器用电量统计表序号机械名称型号单位数量单机功率（KW）总功率（KW）CostgKx1塔吊F0/23C台235700.71.020.32钢筋切断机GQ-40台3390.71.020.63钢筋弯曲机GJ-2台3390.71.020.64钢筋调直机GT6/14台32.

6、26.60.71.020.65电焊机BX2-500台438KVA152KVA0.750.880.46平板振动机B22台41.14.40.681.080.77插入式振动机ZX-50台41.14.40.681.080.78镝灯13.503.50.551.520.49MJ1041440.71.020.610打夯机23.06.00.681.080.711砂浆搅拌机JZ250型台1440.681.080.712木工圆锯MJ104台1440.71.020.6安1电焊机BX1-500台638 KVA224 KVA0.750.880.45安2电动工具30300.750.880.83#变压器用电量统计表序号机械

7、名称型号单位数量单机功率（KW）总功率（KW）CostgKx1塔吊F0/23C台235700.71.020.32钢筋切断机GQ-40台2360.71.020.63钢筋弯曲机GJ-2台2360.71.020.64钢筋调直机GT6/14台22.24.40.71.020.65电焊机BX2-500台638KVA228KVA0.750.880.456平板振动机B22台41.14.40.681.080.77插入式振动机ZX-50台41.14.40.681.080.78镝灯 个 23.5070.551.520.49木工圆锯MJ1041440.71.020.6安1电焊机BX1-500台638 KVA228KV

8、A0.750.880.45安2电动工具台30300.750.880.8安3门式起重机台110100.71.020.6碎石桩施工用电量统计表序号机械名称型号单位数量单机功率（KW）总功率（KW）CostgKx1振动式打桩机台3752250.71.020.62大卷扬机台615900.71.020.63小卷扬机台67.5450.71.020.64电焊机BX2-500台338KVA114KVA0.750.880.42、确定1#变压器用电负荷:(1)塔吊组 Kx=0.30 Cos=0.70 tg=1.02 将Jc=40%统一换算到Jc1=25%的额定容量Pn=70kW Pe=(Jc/Jc1)1/2Pn

9、= (0.40/0.25)1/270=88.55 kW Pjs1=KxPe =0.3088.55=26.56 KwQjs1= Pjs1 tg=26.561.02=27.10kvar(2)平板振动器组 Kx=0.70 Cos=0.68 tg= 1.08 Pjs2=0.704.4 = 3.08 kWQjs2=Pjs2tg=3.081.08=3.33 kvar(3)插入式振动棒组 Kx = 0.70 Cos = 0.68 tg = 1.08 Pjs3=0.704.4 = 3.08kWQjs3=Pjs3tg=3.081.08=3.33kvar(4)镝灯组 Kx=0.4 Cos=0.55 tg=1.52

10、 Pjs4=0.47=2.8kWQjs4=Pjs4tg=2.81.52=4.26kvar(5)钢筋切断机组 Kx=0.6 Cos=0.7 tg=1.02 Pjs5=0.69=5.4kWQjs5=Pjs5tg=5.41.02=5.5 kvar(6)钢筋弯曲机组 Kx = 0.6 Cos = 0.7 tg = 1.02 Pjs6 = 0.69 =5.4kWQjs6=Pjs6tg=5.41.02=5.51 kvar(7)钢筋调直机组 Kx = 0.6 Cos = 0.7 tg = 1.02 Pjs7 = 0.66.6 = 3.96kWQjs7=Pjs7tg=3.961.02=4.04 kvar(8)

11、交流电弧焊机组 Kx = 0.45 Cos = 0.75 tg = 0.88 将Jc =60%统一换算到Jc1 =100%的额定容量 Pn=SCos=1520.75=114Kw Pe=(Jc/Jc1)1/2Pn = (0.60/1)1/2114= 88.31Kw Pjs8=KxPe =0.4588.31 =39.8kW Qjs8=Pjs8tg=39.80.88=35.1 kvar(9)木工圆锯机组 Kx=0.6 Cos=0.7 tg=1.02 Pjs9=0.64=2.4kWQjs9=Pjs9tg=2.41.02=2.45Kvar(10)生活用电组 Kx=0.8 Pjs10=0.815 = 12

12、kW(11)砂浆搅拌机组 Kx=0.7 Cos=0.68 tg = 1.08 Pjs11=0.74 =2.8kWQjs11=Pjs11tg=2.81.08=3.0Kvar(安1)电焊机组Kx = 0.45 Cos = 0.75 tg = 0.88 将Jc =60%统一换算到Jc1 =100%的额定容量 Pn=SCos=2660.75=199.5Kw Pe=(Jc/Jc1)1/2Pn = (0.60/1)1/2199.5= 154.5Kw Pjs8=KxPe =0.45154.5 = 69.53kWQjs8=Pjs8tg=69.5250.88=61.18 kvar(安2)切割机组Kx = 0.7

13、 Cos = 0.5 tg = 1.73Pjs=0.78=5.6KWQjs=Pjstg=5.61.73=9.69kvar(安3)电动工具组Kx = 0.8 Cos = 0.75 tg = 0.88Pjs=0.830=24Qjs=Pjstg=240.88=21.12kvar因此计算负荷为（KP=0.9，Kq=0.9） 总的有功功率Pjs= KPPjs = 0.9*（26.56+3.08+3.08+2.8+5.4+5.4+3.96+39.8+2.4+12+2.8+69.53+5.6+24）=185.76kW总的无功功率Qjs = KqQjs = 0.9（27.10+3.33+3.33+4.26+5

14、.5+5.51+4.04+35.1+3+6.05+61.18+9.69+21.12）=167.05 Kvar 总的视在功率Sjs = (Pjs2+Qjs2)1/2 =249.83kVA总的计算电流计算Ijs = Sjs/(1.732Ue) = 379.59A根据总的视在功率选取功率为315 kVA三相电力变压器。3、确定2#变压器用电负荷:(1)塔吊组 Kx=0.30 Cos=0.70 tg=1.02 将Jc=40%统一换算到Jc1=25%的额定容量Pn=70kW Pe=(Jc/Jc1)1/2Pn = (0.40/0.25)1/270=88.55 kW Pjs1=KxPe =0.3088.55

15、=26.56 KwQjs1= Pjs1 tg=26.561.02=27.10kvar(2)钢筋切断机组 Kx=0.6 Cos=0.7 tg=1.02 Pjs5=0.69=5.4kWQjs5=Pjs5tg=5.41.02=5.5 kvar(3)钢筋弯曲机组 Kx = 0.6 Cos = 0.7 tg = 1.02 Pjs6 = 0.69 =5.4kWQjs6=Pjs6tg=5.41.02=5.51 kvar(4)钢筋调直机组 Kx = 0.6 Cos = 0.7 tg = 1.02 Pjs7 = 0.66.6 = 3.96kWQjs7=Pjs7tg=3.961.02=4.04 kvar(5)交流

16、电弧焊机组 Kx = 0.45 Cos = 0.75 tg = 0.88 将Jc =60%统一换算到Jc1 =100%的额定容量 Pn=SCos=1520.75=114Kw Pe=(Jc/Jc1)1/2Pn = (0.60/1)1/2114= 88.31Kw Pjs8=KxPe =0.4588.31 =39.8kW Qjs8=Pjs8tg=39.80.88=35.1 kvar (6)平板振动器组 Kx=0.70 Cos=0.68 tg=1.08 Pjs6=0.704.4 = 3.08 kWQjs6=Pjs6tg=3.081.08=3.33 kvar(7)插入式振动棒组 Kx = 0.70 Co

17、s = 0.68 tg = 1.08 Pjs7=0.704.4 = 3.08kWQjs7=Pjs7tg=3.081.08=3.33kvar(8)镝灯组 Kx = 0.4 Cos = 0.55 tg = 1.52 Pjs8 = 0.43.5= 1.4kWQjs8=Pjs8tg=1.41.52=2.13kvar(9)砂浆搅拌机组 Kx=0.7 Cos= 0.68 tg=1.08 Pjs9=0.74 = 2.8kWQjs9=Pjs9tg=2.81.08=3.03Kvar(10)打夯机Kx = 0.7 Cos = 0.68 tg = 1.08Pjs=0.86=4.8Qjs=Pjstg=4.80.7=3

18、.36kvar(11)木工圆锯机组 Kx=0.6 Cos=0.7 tg=1.02 Pjs9=0.64=2.4kWQjs9=Pjs9tg=2.41.02=2.45Kvar（安1)交流电弧焊机组 Kx=0.45 Cos=0.75 tg=0.88 将Jc=60%统一换算到Jc1=100%的额定容量 Pn=SCos=3800.75=285Kw Pe=(Jc/Jc1)1/2Pn =(0.60/1)1/2285=220.8Kw Pjs11=KxPe =0.45220.8=99.4kW Qjs11=Pjs11tg=99.40.88=87.5kvar（安2）电动工具组Kx = 0.8 Cos = 0.75 t

19、g = 0.88Pjs=0.830=24Qjs=Pjstg=240.88=21.12kvar因此计算负荷为（KP=0.9，Kq=0.9）总的有功功率Pjs = KPPjs=0.9（26.56+5.4+5.4+3.96+39.8+3.08+3.08+1.4+2.8+99.4+24+4.8+2.4）=199.86kW总的无功功率Qjs = KqQjs=0.9 (27.1+5.5+5.5+4.04+35.1+3.33+3.33+2.13+3.03+87.5+21.12+3.36+2.45)=183.15Kvar总的视在功率Sjs = (Pjs2+Qjs2)1/2 =268.00kVA总的计算电流计算

20、Ijs = Sjs/(1.732Ue) =407.20A根据总的视在功率选取功率为315 kVA三相电力变压器.4、确定3#变压器用电负荷:(1)塔吊组 Kx=0.30 Cos=0.70 tg=1.02 将Jc=40%统一换算到Jc1=25%的额定容量Pn=70kW Pe=(Jc/Jc1)1/2Pn = (0.40/0.25)1/270=88.55 kW Pjs1=KxPe =0.3088.55=26.56 KwQjs1= Pjs1 tg=26.561.02=27.10kvar(2)钢筋切断机组 Kx=0.6 Cos=0.7 tg=1.02 Pjs5=0.69=5.4kWQjs5=Pjs5tg

21、=5.41.02=5.5 kvar(3)钢筋弯曲机组 Kx = 0.6 Cos = 0.7 tg = 1.02 Pjs6 = 0.69 =5.4kWQjs6=Pjs6tg=5.41.02=5.51 kvar(4)钢筋调直机组 Kx = 0.6 Cos = 0.7 tg = 1.02 Pjs7 = 0.66.6 = 3.96kWQjs7=Pjs7tg=3.961.02=4.04 kvar(5)交流电弧焊机组 Kx = 0.45 Cos = 0.75 tg = 0.88 将Jc =60%统一换算到Jc1 =100%的额定容量 Pn=SCos=2240.75=168Kw Pe=(Jc/Jc1)1/2

22、Pn = (0.60/1)1/2114=130.14Kw Pjs8=KxPe =0.45130.14 =58.56kW Qjs8=Pjs8tg=58.560.88=51.53 kvar (6)平板振动器组 Kx=0.70 Cos=0.68 tg=1.08 Pjs6=0.704.4 = 3.08 kWQjs6=Pjs6tg=3.081.08=3.33 kvar(7)插入式振动棒组 Kx = 0.70 Cos = 0.68 tg = 1.08 Pjs7=0.704.4 = 3.08kWQjs7=Pjs7tg=3.081.08=3.33kvar(8)镝灯组 Kx = 0.4 Cos = 0.55 t

23、g = 1.52 Pjs8 = 0.43.5= 1.4kWQjs8=Pjs8tg=1.41.52=2.13kvar(9)砂浆搅拌机组 Kx=0.7 Cos= 0.68 tg=1.08 Pjs9=0.74 = 2.8kWQjs9=Pjs9tg=2.81.08=3.03Kvar(10)打夯机Kx = 0.7 Cos = 0.68 tg = 1.08Pjs=0.86=4.8Qjs=Pjstg=4.80.7=3.36kvar(11)木工圆锯机组 Kx=0.6 Cos=0.7 tg=1.02 Pjs9=0.64=2.4kWQjs9=Pjs9tg=2.41.02=2.45Kvar（安1）交流电弧焊机组 K

24、x=0.45 Cos=0.75 tg=0.88 将Jc=60%统一换算到Jc1=100%的额定容量 Pn=SCos=2280.75=171Kw Pe=(Jc/Jc1)1/2Pn =(0.60/1)1/2171=132.45Kw Pjs11=KxPe =0.45132.45=59.6kW Qjs11=Pjs11tg=59.60.88=52.45kvar（安2）电动工具组Kx = 0.8 Cos = 0.75 tg = 0.88Pjs=0.830=24Qjs=Pjstg=240.88=21.12kvar（安3）门式起重机Kx = 0.6 Cos = 0.7 tg = 1.02Pjs=0.610=6

25、Qjs=Pjstg=61.02=6.12kvar因此计算负荷为（KP=0.9，Kq=0.9）总的有功功率Pjs = KPPjs=0.9（26.56+5.4+5.4+3.96+58.56+3.08+3.08+1.4+2.8+59.6+24+4.8+2.4+6）=186.34kW总的无功功率Qjs = KqQjs=0.9 (27.1+5.5+5.5+4.04+51.53+3.33+3.33+2.13+3.03+52.45+21.12+3.36+2.45+6.12)=171.89Kvar总的视在功率Sjs = (Pjs2+Qjs2)1/2 =253.51kVA总的计算电流计算Ijs = Sjs/(1

26、.732Ue) =385.180A根据总的视在功率选取功率为315 kVA三相电力变压器。5、确定打桩机用电负荷(1)打桩机 Kx = 0.45 Cos = 0.75 tg = 0.88 将Jc =60%统一换算到Jc1 =100%的额定容量 Pn=SCos=2250.75=168.75Kw Pe=(Jc/Jc1)1/2Pn = (0.60/1)1/2168.75= 130.71Kw Pjs8=KxPe =0.45130.71 =58.82kW Qjs8=Pjs8tg=58.820.88=51.76 kvar(2)大卷扬机Kx = 0.6 Cos = 0.7 tg = 1.02Pjs=0.690=54Qjs=Pjstg=541.02=55.08kvar (3)小卷扬机Kx = 0.6 Cos = 0.7 tg = 1.02Pjs=0.645=27Qjs=Pjstg=271.02=32.4kvar(4)交流电弧焊机组 Kx = 0.45 Cos = 0.75 tg = 0.88 将Jc =60%统一换算到Jc1 =100%的额定容量 Pn=SCos=1120.75=84Kw Pe=(Jc/Jc1)1/2Pn = (0.60