某道路景觀照明圖紙

用電負(fù)荷計(jì)算書工程項(xiàng)目:依據(jù)規(guī)范:------------------------------------------------------------------------------------------1.《城市道路設(shè)計(jì)規(guī)范》GJJ37-901.《城市道路照明設(shè)計(jì)標(biāo)準(zhǔn)》GJJ45-912.《民用建筑電氣設(shè)計(jì)規(guī)范》JGJ/T16-933.《通用用電設(shè)備配電設(shè)計(jì)規(guī)范》GB50055-934.《低壓配電設(shè)計(jì)規(guī)范》GB50055-935.《建筑設(shè)計(jì)防火規(guī)范》GBJ16-87----------------------------------------------------------------------------------------------------------對于距離L大于200米的線路用電壓損失計(jì)算導(dǎo)線截面照明線路允許電壓損失不能超過5%.導(dǎo)線截面計(jì)算:S=PL/CU%=M/CU%S導(dǎo)線或電纜的截面,mm2P負(fù)荷的功率(單相或三相),KWL線路的長度,mU%允許電壓損失,%M負(fù)荷矩,KW·mC電壓損失計(jì)算常數(shù)線路系統(tǒng)及電流種種類額定電壓VC值(銅線)三相四線制380/22077單相交流或直流22012.8負(fù)荷及電流計(jì)算：按需要系數(shù)法.總負(fù)荷同時(shí)系數(shù):1.00M1用電設(shè)備組名稱總功率KW需要系數(shù)功率因數(shù)額定電壓V設(shè)備相數(shù)有功功率KW計(jì)算電流A線路長度m計(jì)算導(dǎo)線截面mm2選取導(dǎo)線截面mm2n12.260.800.85220A相1.819.672508.810n20.720.800.85220B相0.583.082002.34n33.780.800.85220C相3.0216.1725014.816n43.780.800.85220A相3.0216.1725014.816n50.720.800.85220B相0.583.082002.34n62.260.800.85220C相1.819.672508.810總負(fù)荷12.7210.85380三相10.8219.33M2用電設(shè)備組名稱總功率KW需要系數(shù)功率因數(shù)額定電壓V設(shè)備相數(shù)有功功率KW計(jì)算電流A線路長度m計(jì)算導(dǎo)線截面mm2選取導(dǎo)線截面mm2n11.800.800.85220A相1.447.702507.010n20.640.800.85220B相0.512.7420024n33.480.800.85220C相2.7814.8925013.616n43.560.800.85220A相2.8515.2325013.916n50.640.800.85220B相0.512.7420024n61.560.800.85220C相1.256.672506.110總負(fù)荷10.9910.85380三相19.3416.70M3用電設(shè)備組名稱總功率KW需要系數(shù)功率因數(shù)額定電壓V設(shè)備相數(shù)有功功率KW計(jì)算電流A線路長度m計(jì)算導(dǎo)線截面mm2選取導(dǎo)線截面mm2n11.710.800.85220A相1.377.322505.46n20.480.800.85220B相0.382.052001.54n32.400.800.85220C相1.9210.272509.410n42.100.800.85220A相1.688.982508.210n50.400.800.85220B相0.321.712001.254n61.480.800.85220C相1.186.332505.86總負(fù)荷8.0710.85380三相6.8612.25M4用電設(shè)備組名稱總功率KW需要系數(shù)功率因數(shù)額定電壓V設(shè)備相數(shù)有功功率KW計(jì)算電流A線路長度m計(jì)算導(dǎo)線截面mm2選取導(dǎo)線截面mm2n10.940.800.85220A相0.754.022503.64n20.480.800.85220B相0.382.052001.54n32.520.800.85220C相2.0210.782509.810n42.520.800.85220A相2.0210.782509.810n50.480.800.85220B相0.382.052001.54n60.940.800.85220C相0.754.022503.64總負(fù)荷7.4210.85380三相6.311.27M5用電設(shè)備組名稱總功率KW需要系數(shù)功率因數(shù)額定電壓V設(shè)備相數(shù)有功功率KW計(jì)算電流A線路長度m計(jì)算導(dǎo)線截面mm2選取導(dǎo)線截面mm2n11.870.800.85220A相1.508.002507.310n20.560.800.85220B相0.452.402001.84n33.130.800.85220C相2.5013.3925012.216n42.950.800.85220A相2.3612.6225011.516n50.560.800.85220B相0.452.402001.84n61.590.800.85220C相1.276.802506.210總負(fù)荷10.0310.85380三相8.5315.24M6用電設(shè)備組名稱總功率KW需要系數(shù)功率因數(shù)額定電壓V設(shè)備相數(shù)有功功率KW計(jì)算電流A線路長度m計(jì)算導(dǎo)線截面mm2選取導(dǎo)線截面mm2n12.170.800.85220A相1.749.282508.410n20.640.800.85220B相0.512.7420024n32.950.800.85220C相2.3612.6225011.516n43.130.800.