Electrical Engineering · Overhead Line Conductors
What is the primary technical and economic reason for preferring aluminium over copper for overhead line conductors?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Aluminium is lighter in weight and significantly more cost-effective per unit power transmitted✓
- 2Aluminium has a much higher melting point than copper
- 3Aluminium has higher electrical conductivity per unit volume than copper
- 4Aluminium offers higher tensile strength and resistance to mechanical fatigue
Correct answer
Aluminium is lighter in weight and significantly more cost-effective per unit power transmitted
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