Synchronous Generator-Electro Mechanical Systems-Quiz, Exercises for Electro Mechanical Systems. Cochin University of Science and Technology

Electro Mechanical Systems

Description: The course gives an introduction to various principles and applications pertaining to electrical machines. The course covers magnetic circuits, single phase transformer and equivalent circuit, auto transformer, basic concepts of electromechanical energyc onversion, DC and AC machines modeling and, steady state analysis.It includes: Y-Connected, Synchronous, Generator, Impedance, Torque, Angle, Rated, Conditions, Leading, Efficiency
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Class: BEE2-A
Time Allowed: 10 mins
Maximum Points: 20
Reg. No:
QUIZ SEVEN
NOTE: Please draw labelled circuit diagrams where appropriate, show complete calculations, and reasoning
to get maximum marks.
1. A 2200 V, 400kW, 3 phase, Y-connected synchronous generator has a synchronous impedance of 0.3+j3Ω.
Determine:
a. The torque angle [5]
b. Internal generate voltage EA[15]
if the generator is working at rated conditions and 0.8 pf leading with an efficiency of 94%. [20]
1
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University: Cochin University of Science and Technology
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