Power station 5
Question = A diesel station supplies the following loads to various consumer : industrial consumer = 1500 kw , commercial establishment = 750 kw , domestic power = 100 kw , domestic light = 450 kw ,if the maximum demand on the station is 2500 kw and the number of kWh generated/year is 45 × 10⁵ , determine (1) the diversity factor and (2) annual load factor .
Solution = formula = (1) diversity factor = sum of individual max. demand ÷ max. demand on Power station ,
» ( 1500 + 750 +100 +450 ) ÷ 2500 , = 2800 ÷2500 = 1.12 , answer ✓
» (2) annual load factor = average load /max. demand ,
» before , average load = kWh generated / hours in a year ,
» load factor = kWh/M D. × 24 H × 365 days ,
= 45 × 10⁵ kwh ÷ 8760 Hour , = 513.7 kw ,
» load factor = 513.7 kw ÷ 2500 kw = 0.205 , = 20.5 % , answer ✓
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