Power station 13

 Question = A daily load curve which exhibited a 15 minute peak of 3000 kW is drawn to scale of 1 cm = 2 hours and 1 cm = 1000 kW . The total area under the load curve is measured by planimeter and is found to be 12 cm² . Calculate the load factor based on 15 minute peak . ? 

Solution = load factor = average load ÷ max.. demand , 

» So , average load = area under daily load curve ÷ 24 hours , 

» 1 cm² of load curve represent = 1000 W × 2 H  = 2000 kWh , 

» 12 cm² में होगा = 2000 × 12  = 24,000 kWh , 

» average demand/load = 24,000 kWh ÷ 24 H = 1000 kW , 

» load factor = 1000 ÷ 3000 ,= 0.3333 , 

» for % = × 100 करेंगे , = 0.333 × 100 = 33.33 % , answer ✓ 

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