Maintenance department, warsak dam internship of 1 month. HIstory and all the overview is presented warsak dam.

1. Warsak hydel
power station
Internship Report

2. Warsak Power Station
• Company: Water & Power Development Authority
• Sector: Govt. maintains electric power and water in Pakistan
• Location: Kabul River warsak, tribal area
• 150-190 MW operation, actual 243 MV, 11KV
2

3. Financed by:
• Canadian Government: British Colombo
Plan in two phases and financed by the
Canadian Government. (1951, 1960-61)
• 2015-2021; 40 000 000 EUR by the
European Union, European Investment
Bank and KfW (Germany)…. (Agence
Française de Développement (AFD)
Group funds)
3
History

4. Principle
4

5. Dam
5
Height: 460 ft
Tunnel :
35 ft (Dia)
32,500 ft3/S (max Q)

6. Crane area
6

7. Generation
7
• 4 generator of 40MV (1951-60)
• 2 generator of 41.5 MV (1980-81)
Because of heavy sediments, generating units
have deteriorated despite extensive repair
and maintenance

8. Generation GENERATOR
Type ATI-W ATI-W
Rated
Capacity
(MW)
40 41.5
Terminal
Voltage (kV)
11 K.V. 11 K.V.
Power Factor 1.0 0.85
Cooling Water-cooled
Manufacturer
s
Canadian General Electric Co.
Ltd.
TRANSFORMER
Rating 3x13.333 MVA 48.8 MVA
Voltage 11/132 K.V. 11/132 kV
Cooling Forced water cooled
8

9. Maintenance
9

10. Generator
10

11. Cooling (Forced water cooled)
11

12. Valve and turbine
12

13. Runner
13
Units 1-4 5-6
Type Francis (Vertical shaft)
Rated
Capacity
55,000 H.P. 57,000 H.P.
Net head 144 ft. 144 ft.
Speed 136.3 RPM-
Max.
136.3 RPM-
Max.
Runaway
speed
245 rpm 245 rpm
Manufacturer Dominion
Engineering
Co. Ltd.
Canada.
Dominion
Engineering
Co. Ltd.
Canada.
Rated Head 144 Ft. 144 Ft.
Rated
discharge
3640 Cusecs 3800 Cusecs

14. Levers and rods
14

15. Governor
15

16. Butterfly
16

17. Tunnel
17

18. Anticorrosion
18

19. Dust Collectors
19

20. Sand
20

21. Runner
21
136.3 rpm

22. Shaft
22

23. Levers
23

24. Hydrodynamic Bearing
24

25. Inspection
25

26. Gate mechanism
26

27. Gate mechanism
• Before it used to be a chain mechanism
• But this rope mechanism is better as it
doesn’t have clogging problem
27

28. 28
THANKS !