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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