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combined cycle power plant with net power output of 220MW
Overview:
Fuel used will be Natural Gas. (i.e. ~1 mmscmd)
The total fresh water requirement is approx. 1000 cu. m per day at full load
The gas turbines, OTSG’s, steam turbine and their auxiliaries are all mounted on a single floating barge.
Compact Barge of size 106 M x 55M x 6M having a draft range 1.2 M to of 5.6 M with minimum onshore facilities required.
The barge mounted combined cycle power plant has ;
4 nos. 47 MW- LM6000 PC aero derivative gas turbines.
4 nos. Once Through Steam Generators.
1 no 53 MW rated output steam turbine and generator.
Minimum onshore facilities with following major systems;
Switchyard for Power Evacuation, 415V MCC for DM Plant etc.
Fuel treatment and forwarding
Water Treatment Plant and DM plant
Fire Fighting System
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Gas Turbine |
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Make |
GE |
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Model |
LM 6000 PC Sprint |
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Capacity |
46.64 MW |
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Gas turbine Generator is open air-cooled, synchronous type and totally enclosed |
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5 Stage Low Pressure Compressor �?Compression ratio is 2.4:1, 14 Stage High Pressure Compressor �?Compression ratio is 12.5:1 |
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Steam Turbine |
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Make |
ABB |
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Capacity |
53.58 MW |
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40 Stage Dual Pressure Condensing type Steam Turbine |
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2 Pole Generator with air cooling for Stator & Rotor winding |
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Compressed Air System |
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3 X100% Screw Type Air Compressors with 2 x100% desiccant type dryers |
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Capacity : 12.7 Nm3/min and 8.64 bar g discharge pressure |
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Once through Steam Generator |
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Make |
IST Canada |
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Steam Parameter |
Pressure/ Temperature |
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HP Steam |
59.6 bar / 419 Deg C |
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LP Steam |
4.7 bar / 240 Deg C |
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Capacity |
46.64 MW |
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Dual Pressure OTSG installed at the exhaust of the Gas Turbine |
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Dry Running Capability |
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Chillers |
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Used for Cooling the Gas turbine intake air for increasing the Gas turbine output |
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2 nos /machine with an Inlet Temp : 7.1Deg C |
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Chiller Capacity : 1210 TR |
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Plant Electrical system |
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Power is generated at 11 KV and Evacuated at 220 KV |
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2 Nos. of Step-up transformer 11KV /220KV ( 1 each for 2 Gas turbines) and 1 Step-up transformer for Steam turbine |
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2 Nos. of Unit Auxiliary transformers for stepping down from 11KV to 6.6 KV for running Plant auxiliaries |
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4 Nos. of Step-down transformers called Auxiliary Transformers for stepping down the 6.6KV to 415 V |
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Other Plant Facilities |
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Demineralization Plant: Demineralization plant (DM plant) produces de-mineralized water for generating steam in OTSG. |
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Cooling Water System: Cooling Water System suitable for river/sea water which can be connected to Closed Circuit Cooling Water system onshore if required. |
WILL
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