标准摘要
[中文适用范围]: 适用于直接埋在均匀土壤中或埋在管道中的电缆,当承载 24 小时内循环变化的负载时,每个日常周期的形状基本相同。给出了计算循环评级因子的方法 [外文原描述]: Give methods for calculating the cyclic rating factor for cables where the internal thermal capacitance can be neglected.
英文名称Calculation of the cyclic and emergency current rating of cables. Part 1: Cyclic rating factor for cables up to and including 18/30(36) kV