Physics · Power Systems
A three-phase transmission line delivers a load of 5 MW at 0.8 power factor lagging. The resistance of each conductor is 0.5 Ω/km and the receiving-end voltage is 33 kV. If the line loss is not to exceed 10%, determine the maximum permissible length of the line.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 113.9 km
- 256.8 km
- 327.9 km✓
- 47.0 km
Correct answer
27.9 km
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