(50) Calculate Air Ventilation for Transformer or D.G Room (1.8.23).xlsx

	B	C	D	E	F	G	H
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2	Calculate Air Ventilation for Transformer / D.G- Room					Jignesh.Parmar www.electricalnotes.wordpress.com
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4	Density of Air at air		1.099	kg/m3
5	Specific Heat of Air		0.017	kWxmin/kg x °C
6	Permissible temperature rise		10.8	°C
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8	Equipment	Qty	Rating (KVA)	Power Factor	Efficiency	Rating (Kw)	Heat Loss (Kw)
9	Transformer	1	1000	0.98	98.0%	980	19.6
10	Transformer	2	2000	0.98	98.0%	1960	78.4
11							0
12							0
13							0
14							0
15							98
16	Total Heat Loss		98	Kw
17	Total Heat Loss		5576.2	Btu/Min
18	Total Heat Loss		334572	Btu/Hr
19	Air Quantity Required for ventilation		486	M3/Min
20	Air Quantity Required for ventilation		17150	CFM
21	Ventilation System
22	Fan Capacity		18000	CFM
23	No's of Fan		1	No's
24	Fan Rating		4	Kw
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