Gas Turbine Systems

22.4 MW (30,000 hp)

40% Efficiency_________________________________________________________

Improved Availability

- Higher Reliability

- Improved Durability

- Longer Run Times

Low Emissions

Wider Fuel Range

Improved Serviceability

Compressor Sets

Generator Sets

Mechanical Drives

Top Level Requirements

Gas Turbine Evolution

Titan 130

Titan 250 762 mm (2.5 feet)

Structural Size Comparison

Caterpillar: Non-Confidential

Titan 250 Gas Turbine

Power TurbineThree-Stage

Gas Producer TurbineTwo-Stage

CombustorDry Low Emissions

Compressor 16-Stage Axial

Titan 250 Performance

38, 25, 15 ppm Nox, 25 ppm CO, 10 ppm UHCNatural Gas Emissions

865°FExhaust Temperature

6,300 rpm (optimum)7,000 rpm (maximum)Power Turbine Speed

24:1Pressure Ratio

541,590 lb/hrExhaust Flow

38.9% (generator)40.0% (shaft)Efficiency

8776 Btu/kW-hr6361 Btu/shp-hrHeat Rate

21,745 kWe30,000 shpPower Output

GSCS/MDParameter

Performance data is at rating point, nominal, ISO, no losses, natural gas fuel,SoLoNOx combustor, optimum PT speed.

Engine

60 Hz RGB

Generator

Package Design

COMPRESSOR SET

GENERATOR SET

MECHANICAL DRIVE

Improved Structurally-Designed Skid

Modular On-skid Subsystems:

- Lube Oil, Fuel and Control

Modular Ancillary Systems

- Inlet, Exhaust, Fuel Processing

Full-Access Enclosure Doors (85 dba)

Regularly Serviced Parts Near Skid Edge

Underside Trolley System (GT Service)

Service Rail System - Lateral

Program Timeline

Titan 250 Test Cell

Titan 250 & C85 Compressor Set Package

2005 Start Design2006 Design & Development2007 Sub-scale Testing2008 Full-scale Testing2009 First Delivery2010 Field Support

Production Shipments2011 Fuels Development

Product Summary

Hybrid Low Risk Design

High Efficiency (40%)

Low Emissions

Higher Level of In-Situ Serviceability

Power and Speed Optimally Matched to Driven Equipment

1st unit onsite N. America Pipeline