Low voltage underground cables copper conductor, PVC insulation – 0,6/1KV

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Low voltage underground cables copper conductor, pvc insulation, filler and inner sheath, metallic armour, pvc sheath – 0,6/1KV
Symbol: CVV/DATA…mm2 – 0,6/1KV 1, 2, 3, 4 lõi; CVV/DATA…mm2 – 0,6/1KV (cs) 1, 2, 3, 4 lõi; CVV/DATA 3x…+1x…mm2 – 0,6/1KV; CVV/DATA 3x…+1x…mm2 – 0,6/1KV (cs); CVV/DSTA…mm2 – 0,6/1KV 2, 3, 4 lõi; CVV/DSTA…mm2 – 0,6/1KV (cs) 2, 3, 4 lõi

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1Tổng quan

  • Low voltage underground cable used for underground power transmission and distribution system, rated voltage 0.6/1 kV, fixed wiring.

2Tiêu chuẩn áp dụng

  • TCVN 5935-1 / IEC 60502-1; TCVN 6612 / IEC 60228 or equivalent standard.

3Nhận biết lõi

  • By color of insulation: red, yellow, blue, black.
  • Outer sheath: black.
    Or by customer’s requirement.

4Cấu tạo

  • (1)   Conductor: copper wire (class 2), concentrically stranded or compacted circular.
    (2)   Insulation: PVC.
    (3)   Filler and Inner sheath: PVC.
    (4)   Metallic armour: double steel tapes or double aluminum tapes.
    (5)   Outer sheath: PVC.

5Đặc tính kỹ thuật

  • – Rated voltage U0/U: 0.6/1 KV.
    – Test voltage: 3,5 kV (5 minutes).
    – Maximum conductor temperature for normal operation is 70°C.
    – Maximum conductor temperature for short-circuit (5s maximum duration) is:
    o   140°C with nominal area larger than 300mm2.
    o   160°C with nominal area up to and include 300mm2.

 

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