Question 2 A 1.54 MW,50 Hz, 3-phase star connected, 14kV Synchronous motor is operating at the...

 

Transcribed Image Text:

Question 2 A 1.54 MW,50 Hz, 3-phase star connected, 14kV Synchronous motor is operating at the efficiency of 95%, with impedance of (3.2+132.5) 0/phase. The field current is adjusted so that the motor takes a leading current of 87 A. Calculate 2.1. The power factor of the motor. [4] 2.2. The excitation emf 2.3. The mechanical power developed. [5] Question 2 A 1.54 MW,50 Hz, 3-phase star connected, 14kV Synchronous motor is operating at the efficiency of 95%, with impedance of (3.2+132.5) 0/phase. The field current is adjusted so that the motor takes a leading current of 87 A. Calculate 2.1. The power factor of the motor. [4] 2.2. The excitation emf 2.3. The mechanical power developed. [5]

Answer rating: 100% (QA)

Data 25 32 332552phase Y sonnection 295 Ta 87A Soy synchronous moter shaft V 14KV 3... View the full answer