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ENERGEX® CN 35 kV 100% Al 1/3 Neutral (UD)

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ENERGEX® CN 35 kV 100% Al 1/3 Neutral (UD) CN Primary Distribution Cables 5 to 46 kV
REFERENCES
ENERGEX® CN
 Standards
Description
Characteristics
Related Information
Standards
National  CSA C68.5
Description

Nexans ENERGEX CN Distribution Cables are single conductor concentric neutral power cables available in voltage classes from 5 kV to 46 kV.  These cables are manufactured using the latest in clean compound handling technology.  ENERGEX CN has a semiconducting crosslinked polyolefin (XLPO) conductor shield, a tree retardant crosslinked polyethylene (TRXLPE) insulation and a strippable semiconducting crosslinked polyolefin (XLPO) insulation shield.  Three phase systems typically use CN cables with 1/3 neutrals. 

These cables are LEAD FREE and RoHS compliant. 

 


Application

ENERGEX CN Distribution Cables are suitable for use above ground in open air, in cable tray, in conduit in air, aerially when suspended on a messenger wire, and either directly buried or in duct. ENERGEX CN cables are suitable for continuous operation at 90ºC wet or dry, and are sunlight resistant.


Related documents
  CN Reduced Neutral Design Options  (24.2kb)
  Concentric Neutral Insulation System  (60.8kb)
  Concentric Neutral Jacket Thickness & Test Voltage  (20.7kb)
  Concentric Neutral Installation  (23.1kb)
  Concentric Neutral Field Testing  (85.6kb)



 TOP
Characteristics
Construction characteristics
Conductor material Aluminium  
Electrical characteristics
Operating voltage 35kV  

 TOP
CN 35 kV 100% Al 1/3 Neutral (UD) Physical Data

Conductor
Size

Stranding
(No of
Wires)

Insulation
Diameter

Concentric
Neutral*

Minimum
Jacket
Thickness
(mm)

Approx
Jacket
Diameter
(mm)

Approx
Cable
Weight
(kg/km)

AWG/
kcmil

mm²

Nom
(mm)

No of
Wires

AWG

 

 

 

 

 

 

 

 

 

1/0

53.5

solid

26.9

6

14

1.14

34.8

1146

1/0

53.5

18

27.2

6

14

1.14

35.0

1161

 

 

 

 

 

 

 

 

 

2/0

67.4

18

28.2

7

14

1.14

36.5

1310

3/0

85.0

18

29.3

9

14

1.14

37.7

1444

4/0

107

18

30.7

11

14

1.14

39.1

1600

 

 

 

 

 

 

 

 

 

250

127

35

32.1

13

14

1.14

40.4

1890

300

152

35

33.3

15

14

1.14

41.7

2083

350

177

35

34.5

18

14

1.78

44.3

2388

400

203

35

35.6

20

14

1.78

45.3

2575

 

 

 

 

 

 

 

 

 

500

253

35

37.6

25

14

1.78

47.3

2954

600

304

58

39.8

19

12

1.78

50.3

3430

750

380

58

42.2

24

12

1.78

53.5

4078

1000

507

58

46.0

20

10

1.78

58.5

5104

* The number of wires is increased where necessary to comply with the CSA 7.0 mm maximum 
   CN wire-to-wire spacing limit.


CN 35 kV 100% Al 1/3 Neutral (UD) Electrical Properties

Conductor
Size

Stranding
(No of
Wires)

DC
Resistance
20°C
(Ω/km)

AC***
Resistance
90°C
(Ω/km,
60 Hz)

Inductive
Reactance***
(Ω/km,
60 Hz)

Capacitance
(µF/km)

Capacitive
Reactance
(MΩ∙km,
60 Hz)

AWG/
kcmil

mm²

1/0

53.5

solid

0.5282

0.6773

0.3406

0.1179

22500

1/0

53.5

18

0.5388

0.6909

0.3230

0.1202

22100

 

 

 

 

 

 

 

 

2/0

67.4

18

0.4275

0.5482

0.3145

0.1283

20700

3/0

85.0

18

0.3391

0.4350

0.3055

0.1380

19200

4/0

107

18

0.2689

0.3450

0.2968

0.1478

18000

 

 

 

 

 

 

 

 

250

127

35

0.2275

0.2921

0.2900

0.1586

16700

300

152

35

0.1897

0.2436

0.2831

0.1683

15800

350

177

35

0.1626

0.2090

0.2772

0.1764

15000

400

203

35

0.1422

0.1830

0.2721

0.1851

14300

 

 

 

 

 

 

 

 

500

253

35

0.1138

0.1467

0.2638

0.1990

13300

600

304

58

0.0948

0.1225

0.2563

0.2148

12300

750

380

58

0.0759

0.0985

0.2480

0.2323

11400

1000

507

58

0.0569

0.0745

0.2362

0.2607

10200

*** AC resistance, including skin effect, and inductive reactance are calculated for cables in separate ducts, or
spaced in air or direct burial for 1/3 CN. Assumed spacing is 190 mm flat axial separation.
Balanced three-phase current loading is assumed for 1/3 CN cables.


 TOP
   CN Reduced Neutral Design Options (24 kB)
   Concentric Neutral Insulation System (60 kB)
   Concentric Neutral Jacket Thickness & Test Voltage (20 kB)
   Concentric Neutral Installation (23 kB)
   Concentric Neutral Field Testing (85 kB)



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