HV Room Sample Ventilation Calculation Sheet for Blue City Project( N04 & N05 )

31000 kVA800 kW99 %8 kW

24 kW55 oC46 oC

�T= 9oC

There are also 2 RMU's in the HV Room that have approximately %10 of the total heat emission

2.4 kW

26.4 kWQ= 26400 W

cp= 1.2 J.kg-1.K-1

Total air flow required for HV room ventilation

V= 2444.444 L/s

3.760684 m2 (based on 1 m/s free area velocity and %65 louver opening)

1.880342 m2 (based on 2 m/s free area velocity %65 louver opening)

Heat emission to ambient from 1 transformer=

Number of Transformers=Transformer Capacity =Transformer Capacity =

Efficiency of transformer=

Required make-up air louver size =

Required exhaust air louver size =

Total heat emission to ambient=

Heat emission to ambient from 2 RMUs=

Total heat emission to ambient=

Q (W) = V (L/s) x cp x �T ( oC)

Maximum allowed inside temperature=Ambient temperature=

Specific heat capacity of the air