Mathematics · Electrical Machines

A three-phase, 400 V, 50 Hz induction motor drive is used to lift a load. The motor has a full-load efficiency of 85% and a power factor of 0.8 lagging. If the motor lifts a 2000 kg load at a constant speed of 1.2 m/s, what is the line current drawn by the motor? (Assume g = 9.81 m/s2)

Verified Solution4 OptionsUpdated: October 2026👁️1 View

149.9 A✓
219.7 A
333.6 A
425.8 A

Correct answer

49.9 A

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A three-phase, 400 V, 50 Hz induction motor drive is used to lift a load. The motor has a full-load efficiency of 85% and a power factor of 0.8 lagging. If the motor lifts a 2000 kg load at a constant speed of 1.2 m/s, what is the line current drawn by the motor? (Assume g = 9.81 m/s2)

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A three-phase, 400 V, 50 Hz induction motor drive is used to lift a load. The motor has a full-load efficiency of 85% and a power factor of 0.8 lagging. If the motor lifts a 2000 kg load at a constant speed of 1.2 m/s, what is the line current drawn by the motor? (Assume g = 9.81 m/s2)

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