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  Cavo Energia  

Cavo Energia

BS 6622 Three Core Armoured 33KV 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

8

27.1

1.8

60/3.15

3.4

78.5

70

8

28.9

1.8

64/3.15

3.5

82.6

95

8

30.6

1.9

67/3.15

3.6

86.7

120

8

32.1

2.0

70/3.15

3.7

90.3

150

8

33.4

2.0

72/3.15

3.8

93.3

185

8

35.2

2.1

76/3.15

3.9

97.6

240

8

37.4

2.2

80/3.15

4.1

102.9

300

8

39.7

2.3

85/3.15

4.3

108.5

400

8

42.4

2.4

90/3.15

4.5

114.9

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

9.7

350

1450

125

70

10.7

350

1500

125

95

12

300

1600

125

120

13.3

250

1650

150

150

14.4

250

1700

150

185

16.1

250

1800

150

240

18.4

250

1900

150

300

21

250

2000

150

400

24.2

250

2100

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

143

513

142

0.85

70

268

343

134

367

159

0.95

95

193

248

127

278

175

1.05

120

153

196

122

231

189

1.13

150

124

159

118

197

201

1.21

185

99.1

128

114

171

217

1.30

240

75.4

98

109

146

237

1.42

300

60.1

80

105

131

258

1.55

400

47.0

64

102

120

282

1.69

Ratings

Cross-sectional area
mmsq

Current Ratings

Short circuit ratings

Laid 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