Question

Question 6
6. A three-phase, 50 Hz, 667 MVA, 22 kV, 4-pole steam driven turbine
generator has an

Answer 1

The synchronous electrical radial frequency 

$\omega_{syn}= 2 \pi f \\ \omega_{syn}= 2 \pi (50)\\ \omega_{syn}= 314.2 rad/s$

The kinetic energy of rotating mass at the synchronous speed

$KE= HS_{rated}\\ KE= 4*667 *10^6\\ KE= 2668*10^6\\ KE=2.668*10^9 J$