What is the new steady state frequency, of a 10 MW load increase occurs in an area with frequency 50 Hz, governor regulation R = 0.1 pu., and frequency dependent component of load change D = 0.8 p.u. on 100 MVA base?

What is the new steady state frequency, of a 10 MW load increase occur

1.	What is the new steady state frequency, of a 10 MW load increase occurs in an area with frequency 50 Hz, governor regulation R = 0.1 pu., and frequency dependent component of load change D = 0.8 p.u. on 100 MVA base?
A.	49.889 Hz
B.	49.537 Hz
C.	49.074 Hz
D.	48.554 Hz
Answer» C. 49.074 Hz