A three-phase, 10-hp, 60-Hz, 1600-V, 500 r/min, salient-pole synchronous motor has direct-axis and quadrature-axis reactances equal to 37.10 Ohms/phase and 20.52 Ohms/phase, respectively. Neglecting losses, determine the developed torque if the field current is adjusted so that the excitation voltage is equal to 2.3 times the applied stator voltage, and the power angle is -18º. Give your final answer in 2 decimal places. Correct Answer: 921.26 ± 0.01
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Give your final answers in at least 2 decimal places - make it 3 or 4 decimal places whenever required in the problem. If you are doing a step by step calculation, maintain 6 decimal places in your in-between calculations to hit good accuracy in your final answers. Use 1 hp = 746 Watts in your conversion whenever necessary.
A three-phase, 10-hp, 60-Hz, 1600-V, 500 r/min, salient-pole synchronous motor has direct-axis and quadrature-axis reactances equal to 37.10 Ohms/phase and 20.52 Ohms/phase, respectively. Neglecting losses, determine the developed torque if the field current is adjusted so that the excitation voltage is equal to 2.3 times the applied stator voltage, and the power angle is -18º. Give your final answer in 2 decimal places.
Correct Answer: 921.26 ± 0.01
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