IEC 60853-2-1989 电缆周期性和事故电流定额的计算 第2部分:18/30(36)kV以上电缆的周期性定额和一切电压电缆的事故定额

标准号：IEC 60853-2-1989
中文标准名称：电缆周期性和事故电流定额的计算 第2部分:18/30(36)kV以上电缆的周期性定额和一切电压电缆的事故定额
英文标准名称：Calculation of the cyclic and emergency current rating of cables; part 2: cyclic rating of cables greater than 18/30 (36) kV and emergency ratings for cables of all voltages
标准类型：K04
发布日期：1999/12/31 12:00:00
实施日期：1999/12/31 12:00:00
中国标准分类号：K04
国际标准分类号：29.060.20
适用范围：Gives manual methods for calculating cyclic rating factors for cables whose internal thermal capacitance cannot be neglected; in general this applies to cables for voltages greater than 18/ 30 (36) kV. It also gives a method for calculating the emergency