Cable rating nomenclature
Cable rating nomenclature
(OP)
A 300mm2 shielded XLPE power cable has the following marking embossed on its outer sheath: 1.8/3(3.6)kV. What do the figures in this nomenclature mean?
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Cable rating nomenclature
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RE: Cable rating nomenclature
3 - denotes the phase to phase voltage rating
1.8 - denotes the phase to neutral voltage rating
(3.6) - extended rating? Im not quite sure about this.
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RE: Cable rating nomenclature
3 - RMS Power Frequency voltage between phases of SUPPLY SYSTEM
(3.6) - Maximum rms power freq voltage between two phases for which cables are designed. This is the highest voltage that can be sustain at any time. This exclude transient voltages.
RE: Cable rating nomenclature