GATE 2025 Electrical Machines Quiz 37

An over-exited synchronous motor will work as

The graph/characteristics plotted with power factor on y-axis and field current of the machine on x-axis is known as

Which of the following regarding short circuit ratio (SCR) are true?

Consider the following statements, which of the below statements is/are correct?

A 3-ϕ, 400V, synchronous motor takes 52.5A at a pf of 0.8 lead. The motor impedance per phase is (0.25 + j3.2) ohm, induced emf (line) ______ V.

(Assume star connected motor)