电缆载流量总览表Word文档下载推荐.docx

1、351319410体328419401365479337392180372461424546369428截240378483442565502643300552506543493611588738面4007715797167079086255007128856618038301026693m63082610087348949631177680757环境温度（）40导体最高工作温度（）90注；1、允许载流量的确定，还应符合本规范第3.7.4条的规定。 2、水平形排列电缆相互间中心距为电缆外径的2倍。13KV交流聚氯乙烯绝缘电缆直埋敷设时允许载流量1171041301131421431691341

2、63139187160200165208174226195247269230295221282239261334321339374382330426408348435478469391495430456574635517713582704796温度（）土壤热阻系数（Km/W）2水平形排列电缆相互间中心间距为电缆的2倍6KV三芯电力电缆空气中敷设时允许载流量绝缘类型不滴流纸聚氯乙烯交联聚乙烯钢铠护套有无电缆导体最高温度（）8010 电 165854797192651161081471291832131852042452122272803232934325055841、适用于铝芯，铜芯电缆的允许持

3、续载流量值可乘以1.29 2、电缆导体工作温度大于70时，允许在流量还应符合本规范第3.7.4条的规定。6KV三芯电力电缆直埋敷设时允许载流量516367848683871011051021191261231481491811772052322222622523083093443463323433333803704221.51.210KV三芯电力电缆允许载流量（A）敷设方式空气中直埋475977110111125138152219 189220223218324320290373325433501附录；敷设条件不同时电缆允许持续载流量的校正系数35KV及以下电缆在不同环境温度时的载流量校正系数

4、敷设位置土壤中304520电缆导体最高工作温度（）601.221.1110.861.070.930.851.181.090.891.060.940.871.151.080.911.050.881.040.950.90.960.92土中直埋多根并行敷设时电缆载流量的校正系数并列根数3456电缆之间净距mm0.80.780.750.840.820.810.97空气中单层多根并行敷设时电缆载流量的校正系数电缆中心距S=dS=2d0.98S=3d电缆桥架上无间隔配置多层并行敷设时电缆载流量的校正系数叠置电缆层数一二 三四桥架类别梯架0.650.55托盘0.70.50.4513KV油纸、聚氯乙烯绝缘电缆

5、空气中敷设时允许载流量聚录乙烯护套有钢铠护套无钢铠护套二芯三芯或四芯2.518152624213127524438699398115821211511792673122572112942424142852443385703834731、适用于铝芯电缆；铜芯电缆的允许持续载流量值可乘以1.29。 2、单芯只适用于直流。13KV油纸、聚氯乙烯绝缘电缆直埋敷设时允许载流量34293643378162537666688817213616213119814520315719415418423518628121725424920738928428723744127551256134767663977672

6、9715电缆结构尺寸1KV以下载流量标称截面m绝缘厚度mm护套厚度mm电缆近似外经mmYJVYJV22YJV3211.87.688.599.714.910.715.912.617.813.618.820.21.118.622.21723.825.41.427.41.61.924.229.61.726.2332.135.62.239.52.336.542.42.440.448.2210.415.611.213.416.412.114.317.313.115.318.314.716.619.916.518.722.720.422.625.622.424.628.425.227.532.429.43

7、2.835.836.240.339.843.640.249.52.644.648.553.9310.812.511.613.816.812.717.91915.417.620.619.621.626.823.428.729.126.328.531.729.933.636.332.236.839.636.744.140.644.245.553.52.849.957.9411.113.316.31214.217.21315.218.219.418.121.223.22227.627.831.534.336.434.137.740.537.541.145.14245.649.82.746.650.354.62.952.255.860.4