GATE EE 2018 Set 1 — Question 12

MCQ+1 / -0.33EasyTwo-Reaction TheorySynchronous MachinesElectrical MachinesSynchronizing Power & Power Angle

Electrical Machines → Synchronous Machines → Synchronizing Power & Power Angle

Last updated 5 September 2026

Question

In a salient pole synchronous motor, the developed reluctance torque attains the maximum value when the load angle in electrical degrees is

T_{rel} = \frac{3}{\omega_s} \frac{V^2}{2} \left( \frac{1}{X_q} - \frac{1}{X_d} \right) \sin(2\delta)

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T_{rel} = \frac{3}{\omega_s} \frac{V^2}{2} \left( \frac{1}{X_q} - \frac{1}{X_d} \right) \sin(2\delta)

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