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Medium voltage cables, copper conductor, conductor screen, XLPE insulation, PVC or HDPE sheath – 12.7/22(24)KV

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Medium voltage cables, copper conductor, conductor screen, XLPE insulation, PVC or HDPE sheath – 12.7/22(24)KV
Symbol:
CXV…mm2 – 12,7/22(24)KV (SC), CXV…mm2 – 12,7/22(24)KV (h/SC)
CXH…mm2 – 12,7/22(24)KV (SC), CXH…mm2 – 12,7/22(24)KV (h/SC)
CXV…mm2 – 12,7/22(24)KV (cs/SC), CXH…mm2 – 12,7/22(24)KV (cs/SC)
CXV…mm2 – 12,7/22(24)KV (WB/SC), CXV…mm2 – 12,7/22(24)KV (h/WB/SC)
CXH…mm2 – 12,7/22(24)KV (WB/SC),  CXH…mm2 – 12,7/22(24)KV (h/WB/SC)

 

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1General

  • Used in overhead medium voltage power distribution systems, rated voltage 12.7/22(24)KV.

2Applied standard

  • TCVN 5064 – 1994; TCVN 5935-2 / IEC 60502-2; TCVN 6612 / IEC 60228 or equivalent standard.

3Identification of cores

    • By color of insulation: natural color of XLPE.
    • Outer sheath: Black
      Or by customer’s requirement.

4Structure

  • (1) Conductor: by one of the following types:
    (1.1) By hard-drawn copper wires (according to TCVN 5064), concentrically stranded.
    (1.2) By copper wires (class 2), concentrically stranded or compacted circular.
    (2) Water-blocking: Without/with water blocking compound.
    (3) Conductor screen: semi-conductor.
    (4) Insulation: XLPE.
    (5) Outer sheath: PVC or HDPE.

5Technical characteristics

  • Rated voltage U0/U(Um): 12.7/22(24)
  • Maximum conductor temperature for normal operation is 90°C.
    Maximum conductor temperature for short-circuit (5s maximum duration) is 250°C.

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