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300 MW STEAM TURBINE POWER PLANT

  • 300 MW oil fired steam generating unit
  • Burner Fuel - HFO
  • Manufactured 1979
  • New, never installed, still in original crates

Boiler

The boiler is corner fired using residual fuel oil and is a NEI - ICL design.
The boiler has 16 tilting burners (four per corner) and will comprise a
single furnace compartment with a main and a rear gas pass, 2 - bank feed
water economiser, six horizontal superheater stages, and a single stage reheater. Water circulation through the furnace wall tubes will be
assisted by electrically driven circulating pumps (constant speed).


Manufacturer
Type
16 tilting burners
Normal Output
Max. Evaporation @ MCR
Superheater Outlet Pressure
Superheater Outlet Temperature
Reheater Outlet Temperature
Economiser Water Inlet Temperature

NEI-ICL
HFO (can be converted to gas)

300 MW
258.33 kg/s
170 bar
540°C

540°C

250°C



TURBINE


The G.E.C. Turbine Generators designed turbine generator is a three cylinder
impulse/reaction type driven by superheated steam from the boiler. The
turbine will be directly coupled to the generator capable of generating 300
MW of electrical power at 17 kV

Manufacturer
Type

Speed
Heat Rate
Output
Barring gear
Support

GEC Alstom
Impulse Reaction, Axial flow. H.P. and I.P. cylinders single flow, L.P. cylinder double flow, single reheat, tandem compound.
3,000 rpm
8,009 kJ/kWh
300 MWe
32 rpm
M.A.N steel platform



HP Turbine: (9 Stages)
Number required per unit
Steam Conditions HP Inlet
HP Exhaust

1
162 bar g 538°C
41 bar g 346°C



IP Turbine: (11 Stages)
Number required per unit
Steam Conditions IP Inlet

1
36.64 bar g 538°C



IP Turbine: (Double flow - 5 Stages)
Number required per unit
Steam Conditions IP Inlet

1
LP Inlet 4.05 bar g 253°C



Generator

Number required per unit
Manufacturer
Rating
Voltage
Stator Current
Power Factor
Short Circuit Ratio
Speed
Frequency
Phases
Poles
Excitation Voltage
Excitation Current
No Load Current
Insulation Coolant
Hydrogen Pressure
Rotor Insulation
Coolant

1
G.E.C
MCR 300 MW / 353 MVA
17 kV
12,000 A
0.85 lagging
0.45
3,000 rpm
50 Hz
3
2
404 V
2,676 A
875 A
demineralised water
3.1 bar g
Class B
Hydrogen
Condition
Factory-new, many components still in original crates. This plant was never installed because of rising fuel prices in the 1980’s and because local demand for electricity decreased.


Condenser:
Quantity of cooling water
cooling surface
4,500 m/3
1,600 m/2


Generator:
Active Power
Apparent Power
Voltage
Cos.phi
Fequency
Cooling
32 MW
40 MVA
10,5 KV+-5%
0,8
50 Hz
AIR


Condition: Very good and very well mantained
Availability: immediately






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