high voltage aluminum conductor xlpe insulated aluminum wire armoredcable

High Voltage HV 20kV ALUMINUM CONDUCTOR XLPE INSULATED ALUMINUM WIRE ARMORED CABLE

1. Description  20kV ALUMINUM CABLE   20kV AL

Construction: Compacted stranded circular aluminum conductor, extruded semi-conducting compound as conductor shield, cross-linked polyethylene (XLPE) insulation, semi-conducting compound as insulation shield, copper tape or combination of copper wire and tape as metallic screen, three cores assembled together with non-hygroscopic polypropylene filler, wrapped with binder tape, PVC inner covering as armoring bedding, galvanized steel wire armored, PVC or PE outer sheath.

2. Operating Characteristics

Rated voltage U₀/U(U_m): 12/20(24)kV
U₀ is the rated power frequency voltage between conductor and earth or metallic screen for which the cable is designed;
U is the rated power frequency voltage between conductors for which the cable is designed;
U_m is the maximum value of the “highest system voltage” for which the equipment may be used.
Max. permissible continuous operating temperature of conductor: 90 °C
Max. temperature of conductor during short-circuit (5s max. duration) shall not exceed: 250 °C
The ambient temperature under installation should not be lower than: 0 °C

When the armored single core cable used for Alternative Current(AC) system, the armoring material should be non-magnetic.

12/20Kv, Aluminum conductor, XLPE insulated, copper wire screened, pure aluminum wire armored and PVC or PE sheath cable     

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