Two synchronous generators operating in parallel supply a common load of 2.5 MW. The frequency-power characteristics have a common slope of 1 MW/Hz and the no-load frequencies of the generators are 51.5 Hz and 51.0 Hz, respectively. Then the system frequency is
(A) 50 Hz (B) 51 Hz (C) 51.25 Hz (D) 51.5 Hz
(A) 50 Hz (B) 51 Hz (C) 51.25 Hz (D) 51.5 Hz