电缆电线载流

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1、电缆电线载流量★铠装电力电缆★绝缘电线★高压交联电力电缆一、型号：VV29——铜芯聚氯乙烯绝缘钢带铠装聚氯乙烯护套电力电缆VLV29——铝芯聚氯乙烯绝缘钢带铠装聚氯乙烯护套电力电缆二、用途：供固定敷设在交流电压1kv及以下的室内，隧道内，管道中的输配电力线路用。三、制造依据：JB1597—75（IEC502·GB标准）四、主要性能：1、电缆敷设温度应不低于0℃，弯曲半径应不小于电缆外径的10倍，线芯长期允许工作温度应不超过+65℃。2、线芯直流电阻，温度+20℃，长度一米，标称截面为一平方毫米，铜铝芯线应不于标准规定。3、线芯应有良好的绝缘电阻，电缆应有良好的物理机械热老化及耐寒性能。五、生产

2、规格：222222221芯：10mm～300mm2芯：4mm～150mm3芯：4mm～240mm4芯：4mm～185mm-1-环境温度25℃允许载流量绝缘护套计算环境温度25℃允许载流成品近似重量标称截面线芯结构（A）埋地土封识壤热阻系2厚度厚度外径量（A）空气中敷设kg/kmmmno/mm数g=80（℃厘米/瓦）mmmmmm铜芯铝芯铜芯铝芯铜芯铝芯☆107/1.351.01.613.4080.661.5103.979.5346285☆167/1.701.01.614.5010681.6126.7104.9436336☆257/2.141.21.616.30143.1110.2181.3138

3、.7569414☆357/2.521.21.617.70173.8133.6220.5169.6696480☆5019/1.781.41.819.80217.3167.5270.3208.8918605☆7019/2.141.41.819.80268.2206.7331.8255.51272783☆9519/2.521.62.022.00329.7253.4394.3304.216221036☆12037/2.031.62.026.20377.4292.6454.7350.719021162☆15037/2.251.82.028.40434.6335518.3398.622741355☆185

4、37/2.522.02.230.90494.0380.5580.9447.327291582☆24061/2.252.22.233.60584449.4676.3521.533391853☆30061/2.522.42.637.00669.9515.2760584.1404570732×4.02×1/2.250.81.615.438.228.647.737.13853352×6.02×1/2.761.01.617.247.737.159.445.64804032×102×7/1.351.01.820.563.648.877.459.46615382×162×7/1.701.01.823.585

5、.765.710680.69987972×252×7/2.141.22.027.2112.485.7138.7106133010192×352×7/2.521.22.229.9135.7104.9166.4128.3163111922×502×18/1.901.42.027.3169.6130.4202.5155.6177511662×702×18/2.251.42.230.3208.8161.1247190.822721419-2-环境温度25℃允许载流量绝缘护套计算环境温度25℃允许载流成品近似重量标称截面线芯结构（A）埋地土封识壤热阻系2厚度厚度外径量（A）空气中敷设kg/kmmmno/

6、mm数g=80（℃厘米/瓦）mmmmmm铜芯铝芯铜芯铝芯铜芯铝芯2×952×24/2.251.62.233.7254.4196.1294.7226.8287817182×1202×24/2.551.62.636.7294.7227.9339.2261.8347720122×1502×45/2.071.82.639.7338.1260.7382.7293.6417523463×4.03×1/2.250.81.616.032.924.441.331.84443703×6.03×1/2.761.01.618.041.331.851.940.35644543×103×7/1.351.01.822.25

7、5.142.470.054.19377533×163×7/1.701.02.025.075.357.292.271.012291283×253×7/2.141.22.028.6101.877.4121.993.3164311763×353×7/2.521.22.231.4120.893.3147.3113.4225115993×503×18/1.901.42.231.2152.6117.7182.