1.

For a given system consisting of two generatorsUnits       Rating(MW)        Speed Drop(%R)1.              400                     0.042.              800                     0.05The units share load of P1=200MW and P2=600MW. The units are operating in parallel to share a load of 700 MW at 50 HZ. The load is increased by 130MW with B=0. Then the value new steady state frequency variation is ______________

A. 49.75 Hz
B. 51.25 Hz
C. 49.25 Hz
D. 48.75 Hz
Answer» B. 51.25 Hz


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