5 kV 3C 500 Middle Voltage Electric Cable Used On Drilling Platform

NO.

ITEM

UNIT

DATA

1

Name of Manufacturer:

Hebei New Baofeng Wire

& Cable Co.,Ltd.

1.2

Country of Manufacturer:

China

2

Which type of manufacturing process viz. Continuous Catanery Vulcanisation (CCV) or vertical Catanery Vulcanisation system (VCV) or horizontal MDCV will be used to ensure circularity and concentricity of the extruded layers around the conductor.

CCV

3

Type of Cable:

Cu/XLPE/Aluminum/PVC

4

Rated nominal voltage

kV

5

5

Rated Maximum voltage

kV

6

6

Nominal cross-sectional area of Conductor

MCM

500

7

Conductor

7.1

Material

Copper

7.2

 Shape & formation

Round

7.3

 Diameter of conductor

mm

18.7

7.4

Dia.Of Single Wire/Number of strands

mm

3.0/36

8

Conductor Screen

8.1

Material

semi conductive material

8.2

Thickness of semi-conductor  screen

mm

0.6

8.3

Diameter of Semi-conductor(Approx.)

mm

19.9

9

Insulation

9.1

Material

XLPE

9.2

Insulation Thickness(Min.Avg.)

mm

3.6

9.3

Diameter of Insulation(Approx.)

mm

27.1

10

Insulation Screen

10.1

Material

Semi-conductive material

10.2

Insulation Screen Thickness(Approx.)

mm

0.8

10.3

Diameter of Sime-Insulation(Approx.)

mm

28.7

11

 Metallic Screen:

11.1

Material

Plain Annealed Copper Tape

11.2

Thickness of the copper tape screen

mm

0.10

11.3

 Diameter of the cable across the metallic screen(Approx.)

mm

29.0

12

Filler

12.1

Material

Non-hygroscopic Filler

12.2

Diameter of Laid-Up Core

62.6

13

Bedding tape

13.1

 Material

Nonwoven tape

13.2

Approximate thickness

mm

0.2

13.3

Diameter over of bedding (Approx.)

mm

63.8

14

Inner Sheath

14.1

Material

PVC

14.2

Inner Sheath Thickness(Nominal)

1.8

14.3

Diameter over the Inner sheath(Approx.)

67.4

15

Armouring

15.1

Material

Corrugated Aluminum

15.2

Approximate thickness

mm

2.0

15.3

Diameter of armouring (Approx.)

mm

81.4

16

Outer Sheath

16.1

Material

PVC

16.2

Outer Sheath Thickness(Nominal)

3.0

16.3

Over Diameter(Approx.)

87.4

17

Conductor Weight

kg/km

6443

17.1

Total Cable Weight (Approx.)

kg/km

12510

18

Minimum Bending Radius

18.1

During Installation

mm

1800

18.2

Installed

mm

1600

19

Maximum Pulling Tension

19.1

Of Cable

kN

50.4

20

 Continuous current rating under the specified installation and operating conditions.    Conductor temperature 90° C    . Ground    temperature 35° C    and    depth    of laying 1200 mm

20.1

In Air

Amp

462

20.2

In Ground

Amp

386

20.3

In pipeline

Amp

358

21

Maximum value of electric stresses at the conductor screen (Calculation to be shown separately)

kV/mm

1.95

21.1

Maximum value of dielectric stress at the insulation

kV/mm

1.43

22

Short circuit capacity of conductor for 1/2/3    second assuming    conductor temperature of 90 ° C prior to short    circuit and 250 ° C during short circuit

22.1

1.0 Secs

kA

34.4

22.2

2.0 Secs

kA

24.5

22.3

3.0 Secs

kA

20.1

23

Short circuit capacity of metallic screen    for    1/2/3 second     at     screen temperature of 80 ° C prior to short circuit    and 200 ° C during short circuit

23.1

1.0 Secs

kA

4.5

23.2

2.0 Secs

kA

3.2

23.3

3.0 Secs

kA

2.7

24

Screen voltage under maximum operating conditions assuming all circuits connected

kV per km

0.05

25

TEST

25.1

Maximum D.C. resistance of conductor  per 1000 ohms. at 25 degree C.

Ohm

0.0222

25.2

Maximum A.C. resistance of conductor per 1000 ohms. at 105 degree C.

Ohm

0.0329

25.3

 Maximum electrostatic capacitance per km. of cable.

μF

0.415

25.4

Partial discharge at 1.50 Uo

pc

≤ 10

25.5

A.C.  Enduring Test voltage 2.5U₀/ hours

kV/mim

28/5

25.6

D.C.Out sheath  Enduring Test voltage

kV/mim

5kV/1min

25.7

Impulse test voltage

kV

60

26

Approximate drum dimension (dia & width)

mm/mm

3200*2000

27

Maximum length of cable in a drum (foot)

ft

2500

28

Minimum length of cable in a drum  (foot)

ft

2000

39

Approximate gross weight of cable in a drum

TON

7.95

30

Expected Cable life.

Year

30

Construction

Thickness(mm)

Diameter(mm)

1 --- Copper Conductor

 18.7(+0.1,-0.1)

2 --- Conductor screen

0.6

 19.9

3 --- XLPE insulation

3.6

27.1(+0.5,-0.5)

4 --- Insulation screen

0.8

 28.7

5 --- Copper tape screen

0.1

 29.0

6 --- PP filler

 62,6

7 --- Non-woven fabrics tape

0.2

 63.8

8 --- PVC inner sheath

1.8

 67.4(+1.5,-1.5)

9 --- Corrugated Aluminum

2.0

 81.4

10--- PVC outer sheath

3.0

 87.4(+2.5,-2.5)