A detailed description about power plant that is situated in jamshoro (i.e 150 km from Karachi).

2. INTRODUCTION OF
THERMAL POWER PLANT JAMSHORO

3. POWER GENERATION INDUSTRY OF PAKISTAN
Total installed Capacity : 22477 MW
Thermal Power Generation: 15454 MW (67.7 %)
Hydel Power Generation: 6556 MW (28.7 %)
Nuclear Power Generation: 787 MW (3.5 %)
(Source : HCIP, 2012, Pakistan energy yearbook, pp.81)

4. GENCOs: 4,720 MW (30.55 %)
KESC: 2,381 MW (15.4 %)
Private sector (IPPs) 8,353 MW (54.05 %)
(Source : HCIP, 2012, Pakistan energy yearbook, pp.81)
THERMAL POWER GENERATION INDUSTRY OF PAKISTAN

5. Ideal Rankine cycle
1-2 Isentropic compression on pump
2-3 Constant pressure, heat addition in a boiler
3-4 Isentropic explanation in a turbine
4-1 Constant pressure heat rejection in a condenser
Described in 1859 by the Scottish engineer William J.M. Rankine

6. Ideal reheat Rankine cycle

7. FACTORS AFFECTING THE RANKINE CYCLE
PERFORMANCE
1. Lowering the condenser pressure (Lowers Tlow, avg)

8. FACTORS AFFECTING THE RANKINE CYCLE
PERFORMANCE
2.Superheating the steam to high temperatures (Increases
Thigh, avg)

9. FACTORS AFFECTING THE RANKINE CYCLE
PERFORMANCE
3. Increasing the boiler pressure (Increases Thigh, avg)

10. Supercritical Rankine cycle

11. Commissioning 1988-91.
Installed capacity 880 MW
De-aerated capacity 710 MW
Unit # 1 250 MW , Oil Fired
Unit # 2, 3&4 210 MW each , Oil
& gas (dual) fired
INTRODUCTION OF
THERMAL POWER PLANT JAMSHORO

12. Process flow diagram of unit # 2,3 &4

13. UNIT # 2,3&4 (CHINESE)
 Type : Subcritical, reheat type (N210-132/538/838)
 Fuel: Furnace oil & natural gas (CH4)
 Capacity: 210 MW
 Net plant efficiency: 32.30 %
 Main steam flow : 680 t/h
 Main steam pressure: 132 kg/cm2
 Main steam temperature: 538 0C
 Reheat steam pressure: 24.5 kg/cm2
 Reheat steam temperature: 538 0C
 Condenser pressure: 11.23 kPa
Plant description (designed condition)

14. 6.6 kV auxiliaries

 1. Boiler feed water pumps 03 (02 in operation and 01 on standby)
 2. Condensate pumps 03 (02 in operation and 01 on standby)
 3. Circulating water pumps 03 (02 in operation and 01 on standby)
 4. Forced draft fans (02 in operation)
 5. Induced draft fan (02 in operation)
 6. Gas recalculating fans (02 in operation)

15. INTRODUCTION OF MAIN PLANT COMPONENTS
 Type: Reheat condensing tandem compound
 Three cylinders
 HPT (12 stages,1 impulse & 11 reaction)
 IPT(10 stages, reaction)
 LPT(10 Stages reaction)
 3000 rpm
 08 no of extractions/bleeding
Steam turbine

16. Turbo-generator

17. Boiler
 Type: Vertical, balanced draught furnace, corner fired
 Fuel: Oil, gas and both (dual)
 Capacity: 680 t/h
 Flue exhaust temperature: 140 0C
 Air flow : 583250 Nm3/hr

18. Boiler fittings

19. Condenser
 No of tubes : 18000
 Two sides (A/B)
 Vacuum: 682 mmHg
 Tube material: Copper & S.S
 CW flow: 26000 t/h

20. Surface condenser

21. Pumps
 Condensate pump
 Boiler feed pump
 CW pump
 LP heater drain pum
 Stator cooling water pump
 BCW pump

22. Feed water heaters
LP heater
HP heater
Dearetor

23. Cooling tower

24. Q & A

25. Thanks