A three-phase, 200-hp, 60Hz, 2300-V, 900 r/min, salient-pole synchronous motor has direct-axis and quadrature axis react

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answerhappygod
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A three-phase, 200-hp, 60Hz, 2300-V, 900 r/min, salient-pole synchronous motor has direct-axis and quadrature axis react

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A three-phase, 200-hp, 60Hz, 2300-V, 900 r/min, salient-pole
synchronous motor has direct-axis and quadrature axis reactances
equal to 36.66 (Ω/phase) and 23.33 (Ω/phase), respectively.
Neglecting losses, determine
a. The developed torque if the field current is adjusted so that
the excitation voltage is equal to two times the applied stator
voltage, and the power angle is - 18 degrees
b. The developed torque in percent of rated torque, if the load
is increased until maximum reluctance torque occurs
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