标准摘要
[中文适用范围]： 提供了一种计算扁平形式三相双回路单芯电缆金属护套中涡流损耗的方法。所描述的方法提供了系数 H（护套电阻校正）、N（在 [外文原描述]： Provides a method for calculating the eddy current losses in the metallic sheaths of single-core cables arranged as a three-phase, double-circuit in flat formation.
英文名称Electric cables - Calculation of the current rating - Part 1: Current rating equations (100 % load factor) and calculations of losses - Section 2: Sheath eddy current loss factors for two circuits in flat formation