BS 7769-2.1-1997 标准详情
- 标准号:BS 7769-2.1-1997
- 中文标题:电缆.电流额定值的计算.热电阻.热电阻的计算
- 英文标题:Electric cables - Calculation of the current rating - Thermal resistance - Calculation of thermal resistance
- 标准类别:英国标准
- 发布日期:1997-02-15
Applies to conditions of steady-state operation of cables at all alternating voltages and direct voltages to 5 kV, buried in the ground directly, in troughs or steel pipes, with or without partial drying-out of soil, also in cables in air. Supplies f
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