Oman Low-Voltage-Power-and-Control-Cables

TABLE - 45

CURRENT RATINGS & VOLTAGE DROP OF THE CABLES - 600/1000 V Two Core Aluminium, XLPE insulated Armoured/Unarmoured Cables.

Approx Voltage Drop (1 Phase System)

In Ground

In Duct

In Air Two Core

Area

Two Core

Two Core

Unarmoured Armoured

Armoured

Armoured

Trefoil

mm²

A

A

A

A

V/A/km

16

73

74

93

76

4.90

25

90

95

119

96

3.08

35

111

116

142

116

2.23

50

134

140

169

138

1.65

70

171

177

207

169

1.15

95

211

218

248

204

0.835

120

235

235

266

232

0.668

150

269

269

304

256

0.550

185

308

308

349

293

0.448

240

364

364

406

336

0.356

300

409

409

450

372

0.298

400

470

470

492

425

0.249

Operating Conditions Ambient air temp.

50 °C 35 °C

Ground temp. Depth of Laying

0.50 m

Thermal resistivity of Soil

1.2 K.m/W

38 MKK XXS002-02/01-12-2014

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