0.6/1kV交联聚乙烯绝缘电力电缆
| 电缆敷设运行条件 ·在空气中的敷设 In air 1.单芯电缆平行敷设时中心距离:185 mm2 及以下为电缆直径的2倍;240 mm2及以上为90mm. 2. 围环境空气温度:40℃。 3.导体的长期最高工作温度:90℃。 ·The cingle-core cables are paralled laid , the distance between the cable center is 2 times of the cable diameter for cross-section of conductor<=185 mm2 and 90 mm for cross-section of conductor >=240 mm2 2. Ambient air temperture :40℃ 3. Max. continous operating wemperature of conductor: 90℃。 不同环境温度下载流量的修正系数: Current rating factors for variation in ambient air temperature:
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| ·直埋敷设 Direct in the ground 1. 单芯电缆不接触敷设时电缆中心距离为电缆直径的2倍 2. 土壤温度:25℃。 3. 导体的长期最高工作温度: 90℃。 4. 土壤热阻系数: 1.0℃.m/w. 5. 直埋深度:0.7m. ·The single-core cables are installed separately , the distance between the cable center is 2 times of the cable Diameter. 2. Soil temperature :25℃ 3. Max. continous operating temperature of conductor:90℃ 4. Depth of laying :0.7 m
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