Power station 6
Question = A power station has a maximum demand of 15000 kW . The annual load factor is 50% and plant capacity factor is 40% . Determine the reserve capacity of the plant ?
Solution = is given ,
» M.D. = 15,000 KW , L F. = 50% , Plant capacity factor = 40 % ,
» reserve capacity = plant capacity - max demand ,
» plant capacity factor = ( unit generated/annum ) ÷ ( plant capacity × hours in a year ) ,
» unit or energy generated/annum = max .. demand × L.F. × hours in a year , = 15,000 × 0.5 × 8760 , = 65.7 ×10⁶ kWh ,
» plant capacity = ( 65.7 ×10⁶ kwh ) ÷ ( 0.4 × 8760 hour ) = 18,750 kW ,
» reserve capacity = plant capacity - max.. demand , = 18,750 - 15,000 = 3,750 kw , answer ✓
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