Project

Unit

Required value

Structure

Aluminum wire

Strand/diameter

number/mm

45/4.22

Galvanized steel wire

Strand/diameter

number/mm

7/2.81

Tensile strength of aluminum single wire

Before twisting

MPa

≥160

After twisting

MPa

≥152

Tensile strength of galvanized steel wire

Before twisting

MPa

≥1310

After twisting

MPa

≥1244

Stress at 1% elongation of galvanized steel wire

MPa

≥1140

Calculated conductor cross-sectional area

Aluminum strands

mm2

630.0

Steel strands

mm2

43.6

Conductor

mm2

674.0

Breaking force

Aluminum strands

N

100800

Steel strands

N

49700

Rated breaking force

ACSR

N

150450