Table 1 Structural and thermal parameters of the XLPE cable.

From: Temperature analysis and ampacity evaluation of HV cable joints based on thermal flow coupling and measurable data

Component

Material

Radius size, mm

Thermal conductivity, W/(m K)

Conductor

Copper

15.0

400

Insulation

XLPE

31.5

0.29

Waterproof Shield I

Compound

34.5

0.20

Air gap

Air

35.5

0.027

Metal sheath I

Aluminium

37.5

238

Outer sheath

Polyethylene

42.0

0.29

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