CENTAUR 50 6201 Gas 50 Hz 2001

Decommissioned in 2008

Operation 2002 – 2008 at 50 % average load

COGENERATION 
POWER  PLANT

TBM – C50
GT based  Cogeneration Power Plant

Fuel –
Natural Gas / SKO

GAS  TURBINE 
GENERATOR  SET

 4.6MW
Turbine Generator  Set – The CENTAUR   50

Compressor  Assembly

Turbine
and  Combuster Assembly

Supports

Gas Turbine
Specifications

 Manufacturer  – 
Solar

Model  – 
CENTAUR 50 – T   6200

Rating at
ISO  – 
4855 KW ( Gas Fuel )

Speed  – 
14950 RPM

Heat Rate
at ISO conditions – 11628 KJ/Kwh

Reduction
gear

 Manufacture  – 
Solar

Output
speed – 1500 RPM

Overall
Efficiency  –  98.2 %

Coupling 

 Manufacturer  – 
MANIA

 AC
Synchronous  Generator

 Manufacturer  – 
Leroy  Somer

Rated
Power  – 
5600 KVA

 AC  Electro – hydraulic Starting  System

 Electric
Drive Motor  –  Siemens

Power  –  90
Kw

Variable
Displacement Hydraulic Pump

Variable
Displacement Hydraulic start  Motor

Dual  – 
Fuel  System

 Starting on
either Fuel

Switching
from one to other under load condition

 Lubrication   System

 Turbine
Compressor   Water   Cleaning 
System

 On Crank
Cleaning System

On – Line
Cleaning   System

Sound
Attenuating Equipment 

Air   Filteration  
System

CONTROL   SYSTEM

Main  Control 
System – Tumatronic  S3

Hardware

Back up PLC

TFT Touch

Screen
Display

Status   Indication

Process   Graphics

List of
Events and Alarms

Fieldbus

Grid Failure
Protection

SPM   Synchroniser

Generator   Voltage Regulation

Generator   Control ,Synchronizing & Auxiliary
System

Generator
Measurement Unit

Generator
Protection

Vibration   monitoring system

Gas Leak
Detection System

CONTROL   SYSTEM  
INTERFACE

FIRE   DETECTION  
&   EXTINGUISHING   EQUIPMENT

LIFTING   DEVICE

BALANCE   OF  
PLANT

HEAT   RECOVERY  
STEAM   GENERATOR    PACKAGE

12000 Kg /
Hr  at 10 Bar  Natural 
circulation design water 
tube  Boiler.

Make –
Thermax.

Design  suitable for natural gas firing when GT
operating at 100% and 50% load.

Arrangements
made for getting full output during low electrical load by starting
supplimentry firing.

SCREW  COMPRESSOR 
PACKAGE

Compressor
Make –  ARIEL

System
Description

Oil
injected with slidetrol

Main
Electrical Driving 250 Kw Motor,Oil System,Gas Oil Separator,Oil Pump,Oil/water
cooler,Compressor suctionautomatic shut off valve, Digital slide control unit,
Digital By-pass control unit, Motor control system, PLC, Log file, Field
instrumentation, Sound proof enclosure with integrated electrical cubicle for
85 dBA sound pressure level at 1 meter, outdoor execution, Gas detection
Equipment .

COOLING  WATER 
SYSTEM

COMPRESSED  AIR  
PLANT

GENERATOR  BREAKER 
PANEL

GENERATOR  GROUND 
RESISTOR  CUBICLE

 MOMENTARY  SYNCHRONISING 
PANEL

BATTERY  AND   BATTERY  CHARGER

PLANT
ROOM  CABLES

 MAIN  AND  BY
PASS  STACK

NOMINAL   PERFORMANCES

4.6 MW  GAS 
TURBINE  GENERATOR  SET

FUEL  – 
NATURAL  GAS  HAVING 9500KCAL/SM3  L.H.V

OUTPUT
POWER AT  35C AMBIENT  –  3786
KW

HEAT  INPUT 
–  13914 KJ/ KWH

EXHAUST  GAS 
MASS  FLOW  – 
17.18 KG/S

EXHAUST  GAS 
TEMPERATURE  –  528 C

 HRSG

HEAT  RECOVERY 
STEAM  GENERATOR  PACKAGE

12.0  TPH 
AT   10 BAR SATURATED

SCREW  COMPRESSOR  
PACKAGE

 SUCTION  PRESSURE 
–  2 BAR

DISCHARGE  PRESSURE 
–  15 BAR

SUCTION
VOLUME FLOW  –  956 M3/HR

NOMINAL
FLOW RATE – 1500 NM3/HR

POWER AT
COUPLING  –  200 KW

ROTATING  SPEED 
–  2980 RPM