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SUBMITTED BY-IMRAN KHANMECHANICAL DEPTT.RAWAL INSTT OF ENGG & TECH
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Location Village Mujedi,P.O. Neemka,Dist.
Faridabad,HaryanaGovt. approved date 25.07.1997
Plant Capacity 430MW (Nominal)
Plant Configuration 2(GT)+1STGT-143 MW, ST-144MW
Fuel Used Gas and Naptha
Gas Source HBJ Pipeline
Water Source Rampur distributories of Gurgaon canal
Project Cost Rs.1163.60 Cr. (IV Qtr.96)
Commissioning Date GT-I : June 1999GT-II : October 1999ST : July 2000
International Assistance OECF
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The gas plant at faridabad consists of twoblocks.
The gas plant can run in both forms eitherin open cycle or combined cycle.
The power output of generator is 156MW.
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1) Turn Gear Motor.2) Cranking Motor.3) Pumps for water cooling.4) Three lube oil pumps.
*Main pump
* Auxiliary pump (AC)* Emergency pump(DC)
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This system also includes fuel nozzles, sparkplug ignition system, flame detectors, andcrossfire tubes.
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The three-stage turbine section is the area inwhich the energy in the hot pressurized gasproduced by compressor and combustion
sections is converted into mechanical energy. The first stage of turbine rotor blade consists of
96 blades.
Air cooling arrangements are provided forturbine 1st and 2nd stage.
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The WHRB includes the following: Preheater L.P economizer H.P economizer L.P evaporator H.P evaporator L.P superheated Two H.P superheated L.P & H.P drum L.P & H.P circulating pumps
Diverter damper Weather protection damper Bypass stack Chimney
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With the use of boiler and then Steam Turbinemakes the plant efficiency better.
At Faridabad the Steam Turbine comprises ofone High Pressure Turbine and one LowPressure Turbine.
The output megawatt of Steam Turbine is116.6Mw at 11KV.
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Total station load is dependent on Stationtransformers 220 kV/6.6 kV, 24 MVA each
There are no UATs on generator terminals
Power generated at 11.5 kV is stepped updirectly to 220 kV
Six 220 kV transmission lines connect Kawas to
four grid substations of GEB
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A turbo generator is a turbine directly
connected to an electric generator for thegeneration of electric power.
STATOR WINDING:-
ROTOR WINDING:-
IMPORTANT POINTS:
Gas turbine generator : 134 MVA - 4 Nos
Steam turbine generator : 140 MVA - 2 Nos
Air cooled, 3000 RPM, 2 pole, double star. Alston, France make.
11.5 kV generator terminal voltage.
Four coolers in the generator for cooling the air.
http://en.wikipedia.org/wiki/Turbinehttp://en.wikipedia.org/wiki/Electric_generatorhttp://en.wikipedia.org/wiki/Electric_powerhttp://en.wikipedia.org/wiki/Electric_powerhttp://en.wikipedia.org/wiki/Electric_generatorhttp://en.wikipedia.org/wiki/Turbine -
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Prime mover
Excitation system/AVR
Generator transformer
Cooling system
Bearing
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Diesel generating sets are used in placeswithout connection to the power grid or asemergency power-supply if the grid fails.
Its capacity is 3MW, speed 1500 rpm and shell
type core.
http://en.wikipedia.org/wiki/Electric_power_transmissionhttp://en.wikipedia.org/wiki/Electric_power_transmission -
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We have 4 types of transformers in NTPC
Generator transformer:-
Station transformer:-
MV/LV transformers:-
Lighting transformers:-
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Following are the main parts of switchyard inNTPC
2 Main Bus
1 Transfer bus 18 Bays :
6 Generator bays
8 Line bays ( 6 commissioned and 2 future) 2 Station transformer bays
1 Bus coupler bay
1 Bus transfer bay
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Generator and transformer protections
6.6 kV Protections
Station transformer protections
Motor protections Transformer protections
220 kV Protections
Line protections
Bus bar protection
Breaker failure protection
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Zones of protection
GeneratorProtn.
Transformer
Protn.
Overall Gen.
Trf. Protn.
Line Protn.
Busbar
Protn.
Transformer
Protn.
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SWAS stands for Steam and Water AnalysisSystem.
SWAS is mainly used to check the healthiness
of steam turbine and boiler. USE OF SWAS:-
Analyzers like NOx analyzers, Na analyzers,
Hydrazine analyzer, Dissolved O2 analyzers,Water pH meters, silica analyzers, Waterconductivity meters.
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