8/10/2019 Ventilation Intake.pdf

1/5

1- Fan Capacity

( Air changes Per Hour )

Length Width Hight Air Louvers For supply air

Pump House Volume 10.25 4.75 6.3 306.7313 m

Air Changes / Hour 6 Exhaust air = 1840 m/hr >>>>> 0.511111 m/s

6:8 Times in hour Velocity on face Louver = 8 m/s

Ventilation air Flow rate 1840 m/hr Then Area Required to Get Fresh Air = 0.063889 m

Let No of Louvers = 4 No.

No. Of Fans 0.92 Fan

Then Louver Area = 0.015972 mCapacity of Fan 2000 m/hr Put Length = 0.6 m

Then Width = 0.02662 m

Then No. Of Fans = 1 Fans

2- Fan Capacity

( Air changes Per Hour )

Length Width Hight Air Louvers For supply air

Pump House Volume 5 5 6.3 157.5 m

Air Changes / Hour 10 Exhaust air = 1575 m/hr >>>>> 0.4375 m/s

8:10 Times in hour Velocity on face Louver = 8 m/s

Ventilation air Flow rate 1575 m/hr Then Area Required to Get Fresh Air = 0.054688 m

Let No of Louvers = 4 No.

No. Of Fans 0.875 Fan

Then Louver Area = 0.013672 m

Capacity of Fan 1800 m/hr Put Length = 0.6 m

Then Width = 0.022786 m

Then No. Of Fans = 1 Fans

TRANSFORMER ROOMS VENTILATION ( INTAKE )

6

M.L.T.S.G Room

Egyption Code

TR1

Egyption Code

8/10/2019 Ventilation Intake.pdf

2/5

TRANSFORMER ROOMS VENTILATION ( INTAKE )

6

3- Fan Capacity

( Air changes Per Hour )

Length Width Hight Air Louvers For supply air

Pump House Volume 5 5 6.3 157.5 m

Air Changes / Hour 10 Exhaust air = 1575 m/hr >>>>> 0.4375 m/s

8:10 Times in hour Velocity on face Louver = 8 m/s

Ventilation air Flow rate 1575 m/hr Then Area Required to Get Fresh Air = 0.054688 m

H Hight of room Let No of Louvers = 4 No.

No. Of Fans 0.875 Fan as per Drawings

Then Louver Area = 0.013672 mCapacity of Fan 1800 m/hr Put Length = 0.6 m

Then Width = 0.022786 m

Then No. Of Fans = 1 Fans

4- Fan Capacity

( Air changes Per Hour )

Length Width Hight Air Louvers For supply air Pump House Volume 10 16.25 6.3 1023.75 m

Air Changes / Hour 7 Exhaust air = 7166.25 m/hr >>>>> 1.990625 m/s

6:8 Times in hour Velocity on face Louver = 8 m/s

Ventilation air Flow rate 7166.25 m/hr Then Area Required to Get Fresh Air = 0.248828 m

Let No of Louvers = 4 No.

No. Of Fans 1.990625 Fan

Then Louver Area = 0.062207 m

Capacity of Fan 3600 m/hr Put Length = 0.6 m

Then Width = 0.103678 m

Then No. Of Fans = 2 Fans

TR2

Egyption Code

First Stage M.V.S.G Room

Egyption Code

8/10/2019 Ventilation Intake.pdf

3/5

TRANSFORMER ROOMS VENTILATION ( INTAKE )

6

5- Fan Capacity

( Air changes Per Hour )

Length Width Hight Air Louvers For supply air

Pump House Volume 21.5 10 6.3 1354.5 m

Air Changes / Hour 6 Exhaust air = 8127 m/hr >>>>> 2.2575 m/s

6:8 Times in hour Velocity on face Louver = 8 m/s

Ventilation air Flow rate 8127 m/hr Then Area Required to Get Fresh Air = 0.282188 m

Let No of Louvers = 4 No.

No. Of Fans 4.0635 Fan

Then Louver Area = 0.070547 mCapacity of Fan 2000 m/hr Put Length = 0.6 m

Then Width = 0.117578 m

Then No. Of Fans = 4 Fans

6- Fan Capacity

( Air changes Per Hour )

Length Width Hight Air Louvers For supply air Pump House Volume 10 16.25 6.3 1023.75 m

Air Changes / Hour 7 Exhaust air = 7166.25 m/hr >>>>> 1.990625 m/s

6:8 Times in hour Velocity on face Louver = 8 m/s

Ventilation air Flow rate 7166.25 m/hr Then Area Required to Get Fresh Air = 0.248828 m

Let No of Louvers = 2 No.

No. Of Fans 1.990625 Fan

Then Louver Area = 0.124414 m

Capacity of Fan 3600 m/hr Put Length = 0.6 m

Then Width = 0.207357 m

Then No. Of Fans = 2 Fans

M.V.S.G For Electrical util ity r oom

Second Stage M.V.S.G Room

Egyption Code

Egyption Code

8/10/2019 Ventilation Intake.pdf

4/5

TRANSFORMER ROOMS VENTILATION ( INTAKE )

6

7- Fan Capacity

( Air changes Per Hour )

Length Width Hight Air Louvers For supply air

Pump House Volume 10 8 6.3 504 m

Air Changes / Hour 10 Exhaust air = 5040 m/hr >>>>> 1.4 m/s

8:10 Times in hour Velocity on face Louver = 8 m/s

Ventilation air Flow rate 5040 m/hr Then Area Required to Get Fresh Air = 0.175 m

Let No of Louvers = 4 No.

No. Of Fans 2.8 Fan

Then Louver Area = 0.04375 m

Capacity of Fan 1800 m/hr Put Length = 0.6 m

Then Width = 0.072917 m

Then No. Of Fans = 3 Fans

8- Fan Capacity

( Air changes Per Hour )

Length Width Hight Air Louvers For supply air Pump House Volume 10 8 6.3 504 m

Air Changes / Hour 10 Exhaust air = 5040 m/hr >>>>> 1.4 m/s

8:10 Times in hour Velocity on face Louver = 8 m/s

Ventilation air Flow rate 5040 m/hr Then Area Required to Get Fresh Air = 0.175 m

Let No of Louvers = 4 No.

No. Of Fans 2.8 Fan

Then Louver Area = 0.04375 m

Capacity of Fan 1800 m/hr Put Length = 0.6 m

Then Width = 0.072917 m

Then No. Of Fans = 3 Fans

Egyption Code

Second Stage 22/11 Trans 01

Egyption Code

Second Stage 22/11 Trans 02

8/10/2019 Ventilation Intake.pdf

5/5

TRANSFORMER ROOMS VENTILATION ( INTAKE )

6

9- Fan Capacity

( Air changes Per Hour )

Length Width Hight Air Louvers For supply air

Pump House Volume 10.25 10 6.3 645.75 m

Air Changes / Hour 6 Exhaust air = 3874.5 m/hr >>>>> 1.07625 m/s

6:8 Times in hour Velocity on face Louver = 8 m/s

Ventilation air Flow rate 3874.5 m/hr Then Area Required to Get Fresh Air = 0.134531 m

Let No of Louvers = 4 No.

No. Of Fans 3.8745 Fan

Then Louver Area = 0.033633 m

Capacity of Fan 1000 m/hr Put Length = 0.6 m

Then Width = 0.056055 m

Then No. Of Fans = 4 Fans

10- Fan Capacity

( Air changes Per Hour )

Length Width Hight Air Louvers For supply air Pump House Volume 9.9 5 6.3 311.85 m

Air Changes / Hour 6 Exhaust air = 1871.1 m/hr >>>>> 0.51975 m/s

6:8 Times in hour Velocity on face Louver = 8 m/s

Ventilation air Flow rate 1871.1 m/hr Then Area Required to Get Fresh Air = 0.064969 m

Let No of Louvers = 4 No.

No. Of Fans 0.93555 Fan

Then Louver Area = 0.016242 m

Capacity of Fan 2000 m/hr Put Length = 0.6 m

Then Width = 0.02707 m

Then No. Of Fans = 1 Fans

Battary Charger room

Egyption Code

Black Start Generator ro om

Egyption Code