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From natural gas-fueled combined heat and power (CHP) systems and emergency power for facilities, to renewable biogas energy to support the local grid, or electricity generated from coal mine gases, Caterpillar has a wide range of reliable gas power solutions.
Benefits
Up to
9%
owning & operating cost savings
Higher electrical efficiency paired with extended maintenance intervals increases uptime and reduces costs
Up to
20%
Lower lube oil consumption
Leading to lower service costs and extended maintenance intervals
Up to
20%
Lower lube oil consumption
Leading to lower service costs and extended maintenance intervals
Features At A Glance
Cat G3512E Gas Engine
Robust high speed block design provides prolonged life and lower owning operationg costs
Designed for maximum performance on low pressure pipeline natural gas
Simple open chamber combustion system for reliability and fuel flexibility
Leading edge technology in ignition system and air/fuel ratio control for lower emission and engine efficiency
One electronic control module handles all engine functions: ignition, governing, air/fuel ratio control and engine protection
SR4B Generator
Designed to match performance and output characteristics of Caterpillar gas engines
Industry leading mechanical and electrical design
High efficiency
EMCP 4.3 Control Panel
User-friendly interface and navigation
Scalable system to meet a wide range of installation requirement
Expansion modules and site-specific programming for specific customer requirements
Cat Electronic Control System
Simple user friendly interface and navigation
Digital monitoring, metering and protection setting
Fully-featured power metering and protective relaying
Remote control and monitor capability options
Emissions
Meets most worldwide emissions requirements down to 0.5 g/bhp-hr NOx level without aftertreatment
Proven System
Field proven in a wide range of applications worldwide
Fully prototype tested
Certified torsional vibration analysis available
Full Range of Attachments
Wide range of bolt-on system expansion attachments
Factory designed and tested
Flexible packaging options for easy and cost effective installation
World Wide Product Support
Cat dealers have over 1,800 dealer branch stores operating in 200 countries
Your local Cat dealer provides extensive post-sale support, including maintenance and repair agreements
Two-element single-stage air cleaner with enclosure and service indicator
Control Panel
EMCP 4.3
Cooling
Jacket water and SCAC engine-driven pumps
Jacket water and SCAC thermostats
Exhaust
Dry exhaust manifolds, insulated and shielded
Individual exhaust port and turbocharger outlet wired to integrated temperature sensing module (ITSM) with GCEM providing alarms and shutdowns
Cat-flanged face outlet on turbocharger
Fuel System
Engine-installed electronic control valve
24V DC energized-to-run (ETR) gas shutoff valve
Gas pressure regulator
Fuel system
Electronic fuel metering valve
Throttle plate, 24V DC actuator, controlled by GECM
Fuel system is sized for 31.5 to 47.2 MJ/NM3 dry pipeline natural gas with pressure of 10.2 to 34.5KPa to the engine fuel control valve
General
Paint- Caterpillar Yellow except rails are gloss black
Parts book
Crankshaft vibration damper and guard
Operation and maintenance manuals
RH Service
Generator
SR4B
Permanent Magnet Excitiation
Caterpillar's Digital Voltage Regulator (CDVR) including reactive droop capability, 3-phase voltage sensing, KVAR/PF modes, RFI suppression, and a min/max exciter
Remote radiator for JW and SCAC circuits, level switch included but not wired
Coolant level drain line with valves, fan with guard
Inlet/Outlet connections
Control Panel
Local alarm module
Remote annunciator
Local PC monitoring
Remote PC monitoring
Engine failure relay
Exhaust
305 mm (12 in.) Flange
250mm-329mm Flange Expander
Flexible fittings
Fuel System
Remote mounted gas train, sized for 31.5 MJ/Nm3 (800 btu/cu ft) dry pipeline natural gas with inlet pressure range of 19.2 to 48.3 kPa (2.78 to 7 psi).
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