Question #3: A 440 V, 60 Hz, 1746 r/min, 60 kW, star-connected, class B, three-phase induction motor yielded the following results when tested: Average value of de resistance between stator 0.1602 terminals Locked-rotor test No-load test Determine & The per-phase approximate equivalent circuit. 6. The torque developed at full-load. V₂ = 28V, line-to-neutral P₂ = 2.24kW, three-phase 1₂ = 60A Vexe Рекс lexc = 440V, line-to-line = 1.6kW, three-phase 12A 11

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A: Given: A three phase induction motor  No load speed = 580 rpm  Speed at full load = 552 rpm  To…

Synchronous Generator

In comparison to an asynchronous generator, it is a machine where the rotor speed is equal to the rotating magnetic field produced by the stator, i.e., mechanical speed is equal to the electrical speed, thus called synchronous, and not asynchronous.

Salient Pole Rotor

Salient pole rotor includes a large number of exposed poles mounted on a magnetic wheel. The construction of a bright pole is as shown in the image on the left. The proposed poles are made of metal laminations. The rotor winding is provided on these poles and is supported by pole shoes.