Power Systems
A power station plant load factor is defined as the ratio of

 the energy generated to that of maximum energy that could have been generated
 minimum load to peak load
 average load to the peak load
 minimum load to average load

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Power Systems
A thermal power station needs space

 less than that required by atomic power station of the same output.
 less than that required by the diesel power station of same output.
  less than that required by hydro-power station of same capacity.
 less than that required by a gas turbine power plant of same output.

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Power Systems
A lossless power system has to serve a load of 250 MW. There are two generators(G1 and G2) in the system with cost curves C1 and C2 respectively defined as follows: C1 = PG1+0.055P²G1 C2 = 3 PG2 + 0.03 P²G2 Where PG1 and PG2 are the MW injections from generators G1 and G2 respectively. Thus, the minimum cost dispatch will be

 PG1 = 150 MW and PG2 = 100 MW
 PG1 = 250 MW and PG2 = 0 MW
 PG1 = 0 MW and PG2 = 250 MW
 PG1 = 100 MW and PG2 = 150 MW

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