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  Cavo Energia  

Cavo Energia

BS 6622 Three Core Armoured 22KV XLPE Stranded Copper Conductors

Edilizia

cross-sectional area mmsq

Minimum average thickness of insulation mm

Nominal diameter over insulation
mm

 

Nominal thickness of PVC bedding
mm

Nominal number and diameter of armoured wires no./mm

Nominal thickness of PVC oversheath
mm

Nominal overall diameter of cable mm

50

5.5

21.6

1.5

61/2.5

2.9

63.8

70

5.5

23.4

1.6

66/2.5

3.0

68.1

95

5.5

25.1

1.7

70/2.5

3.2

72.3

120

5.5

26.6

1.7

59/3.15

3.3

77.1

150

5.5

27.9

1.8

62/3.15

3.4

80.3

185

5.5

29.7

1.9

65/3.15

3.6

84.7

240

5.5

31.9

2.0

70/3.15

3.7

89.9

300

5.5

34.2

2.0

74/3.15

3.9

95.2

400

5.5

36.9

2.2

79/3.15

4.1

101.9

Installation

cross-sectional area mmsq

Approximate cable weight kg/m

Nominal drum length
m

Minimum bending radius mm

Nominal internal diameter of ducts mm

50

6.8

500

1000

100

70

7.8

500

1050

125

95

9.1

350

1100

125

120

11.0

350

1200

125

150

12.1

350

1250

125

185

13.8

300

1300

125

240

16.1

250

1350

125

300

18.4

250

1450

150

400

21.7

250

1550

150

Performance Elettrica

cross-sectional area mmsq

Maximum DC resistance of conductor at 20 ℃ uohms/m

Maximum AC resistance of conductor at 90 ℃ uohms/m

Reactance at 50Hz
uohms/m

Impedance at 50Hz uohms/m

Maximum Capacitace PF/m

Maximum charging current at normal voltage and frequency mA/m

50

387

494

129.0

510

183

0.73

70

268

348

121.0

363

207

0.83

95

193

248

114.0

272

229

0.92

120

153

196

110.0

225

249

1.00

150

124

159

107.0

191

266

1.06

185

99.1

128

103.0

164

289

1.16

240

75.4

98

99.5

139

318

1.27

300

60.1

80

94.4

123

348

1.39

400

47.0

64

91.2

111

383

1.53

Ratings

Cross-sectional area
mmsq

Current Ratings

Short circuit ratings

Laid direct in ground
Amps

Drawn into ducts
Amps

Laid in air
Amps

One second short circuit rating of conductor
KA

One second short circuit rating of copper per core
KA

50

210

185

225

6.8

Typically

less

then

1kA

70

255

225

275

9.8

95

295

260

330

13.3

120

335

300

380

17.2

150

375

335

430

21.2

185

420

380

490

26.6

240

480

430

570

34.9

300

530

480

650

43.8

400

580

530

720

57.3