CAT Titan 250 Manual De Usuario

Turbomachinery Package Specification 

250 Generator Set 

This system provides 120 VDC power for the following devices: 

•  The electric actuators that drive the fuel valves, bleed valve and variable guide 

vanes. 

•  The 120 to 24 volt DC-to-DC converter in the control system that provides the 24 

VDC control power.  

•  The DC backup lube oil pump and DC back-up engine turning gear motors.  
•  The DC backup lube oil scavenging pump motor (when applicable for offshore 

installations). 

The system includes a 3-phase charger (Figure 26) and a set of batteries configured for 
120VDC output, mounted on a freestanding rack. The batteries are sized to provide 
sufficient power to allow the package to shut down and cool down in an orderly manner in 
the event of loss of external AC power. The system is designed for indoor installation in a 
nonhazardous area.  The batteries are shipped fully charged and ready for use. Two 
battery types are available: 

•  Valve-regulated, sealed gas-recombination, lead-acid 
•  Nickel Cadmium 

 

The optional turbine compressor cleaning system (Figure 27) facilitates periodic cleaning 
of the turbine compressor. The cleaning system is designed for use in salt-laden or dusty 
environments or where compressor contamination from hydrocarbon vapors is possible. 
The turbine compressor cleaning system is composed of the following systems: 

•  On-crank cleaning system 
•  On-line cleaning system 

Both cleaning systems are independent of each other and include a separate distribution 
manifold with pressure atomizing spray nozzles in the engine air inlet collector, onskid 
piping, strainer, and solenoid shutoff valves to deliver water or approved cleaning fluid to 
the manifold. Both systems require an external source of clean-filtered air to pressurize 
the cleaning solutions. 

© 2008 Solar Turbines Incorporated. All rights reserved. 

TPS250GS/908 - Preliminary 

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