JB/T 10181.12-2014
电缆载流量计算 第12部分:载流量公式(100%负荷因数)和损耗计算 双回路平面排列电缆金属套涡流损耗因数
Electric cables.Calculation of the current rating.Part 12: Current rating equations (100% load factor) and calculation of losses.Sheath eddy current loss factors for two circuits in flat formation
JBT10181.12-2014, JB10181.12-2014