ELECTRICAL LOAD CALCULATION CHILLER PLANT 0.5 kw per ton is an “annual average chiller -plant efficiency.” For Example, 300 TR, power consumption in kW= 324*.5 = 1.5 In the below Example, 300 TR of chiller Consumes the 193 kW of Energy. The water cooled version has a full load efficiency of about 0.7 kW/Ton. The air cooled version has a full load efficiency of about 1.1 kW/Ton. For example, if the system had a pump with a known efficiency of 65 percent and the pump delivers 250 gallons per minute to a total head of 72 feet, the horsepower of the system is: Hp = \frac{250\times 72}{3,960\times 0.65} = 6.99\text{ horsepower} H p = 3 , 9 6 0 × 0 . 6 5 2 5 0 × 7 2 = 6 . 9 9 horsepower In the above Example, efficiency is 80%. H p = 3 , 9 6 0 × 0 . 6 5 816×50 =15.85 Hp =15.85X.746 =11.8 kW Chiller Cooling Tower: 350 TR cooling tower Fan consumes 22.38 kW. Rule: 6 CFM per Watt AHU: 375 CFM PER TON Electrical POWER C...
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