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G3512 1000kW Gas Generator Set

Electric Power
Electric Power (350)

Overview

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Cat G3512 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
SR5 Generator
  • Designed to match performance and output characteristics of Caterpillar gas engines
  • Industry leading mechanical and electrical design
  • High efficiency
EMCP4.3 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
Cooling System
  • Designed to operate in standard ambient temperatures up to 43°C (110°F)
  • Contact your Cat Dealer for specific ambient and altitude capabilities
Emissions
  • EPA Certified for use in Emergency and Non-Emergency applications
  • Additional a NOx selectable genset is available to 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
Cat G3512 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
SR5 Generator
  • Designed to match performance and output characteristics of Caterpillar gas engines
  • Industry leading mechanical and electrical design
  • High efficiency
EMCP4.3 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
Cooling System
  • Designed to operate in standard ambient temperatures up to 43°C (110°F)
  • Contact your Cat Dealer for specific ambient and altitude capabilities
Emissions
  • EPA Certified for use in Emergency and Non-Emergency applications
  • Additional a NOx selectable genset is available to 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
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Gas Generator Sets Specification

Displacement
3173in3
Gas Standby Rating
1000kW

Generator Set Dimension

Weight
27500lb

Engine Specifications

Engine Model
G3512
Bore
6.7in
Stroke
7.5in
Displacement
3173in³
Aspiration
TA
Engine Model
G3512

Generator Set Specifications

Fuel Type
Natural Gas
Compression Ratio
9.7
Frequency
60 Hz
RPM
1800 rpm
Gas Standby Rating
1000 ekW @ 0.8pf
Displacement
3173in³
Emissions/Fuel Strategy
U.S. EPA Certified for Non-Emergency Stationary Genset

Generator Set Configurations

Emissions/Fuel Strategy
U.S. EPA Stationary Emergency Certified

Generator Set Dimensions

Length
205.7in
Width
90in
Height
99.4in
Weight
27500lb

Standard/Optional Features

Standard Equipment:

  • Air Inlet
    • Two-element single-stage air cleaner with enclosure and service indicator
    • Dual air cleaners, 1 per side, with service indicator
  • Control Panel
    • EMCP 4.3
  • Cooling System
    • Engine driven pumps for jacket water and separate circuit aftercooler
  • Cooling
    • Package mounted radiator
    • Jacket water and SCAC engine-driven pumps
    • Jacket water and SCAC thermostats
    • LH or RG connections when radiator is not selected
  • 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
    • NOx sensor based air-fuel-ratio control
    • Pipeline Natural Gas: 800-1000 BTU/scf and 70-100 Methane Number
    • Gas Train: NFPA37 and CSA B149.3
    • 0.5 to 5 psi engine fuel inlet pressure
  • Fuel System
    • 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
    • Engine-installed electronic control valve
    • Throttle plate, 24V DC actuator, controlled by GECM
    • 24V DC energized-to-run (ETR) gas shutoff valve
    • Gas pressure regulator
  • General
    • Operation and maintenance manuals
    • Paint- Caterpillar Yellow except rails and radiators gloss black 
    • Parts book
    • “Stationary Use Only” Label in Correspondence with EPA Nonroad Mobile SI rule 
    • RH Service
    • Crankshaft vibration damper and guard
  • Lubrication
    • Cartridge style oil filter
    • Gear type lube oil pump
  • Starting/charging
    • Jacket water heater
    • Battery with cables and rack (shipped loose)
    • Electric Starter
    • Batteries with rack and cables
    • 24V DC starting motors
  • Generator
    • NEMA Class H insulation
    • Permanent Magnet Excitiation
    • SR5
    • Anti-condensation space heater
    • Caterpillar's Digital Voltage Regulator (CDVR) including reactive droop capability, 3-phase voltage sensing, KVAR/PF modes, RFI suppression, and a min/max exciter
    • Winding temperature detectors
  • Ignition System
    • Electronic Ignition System (controlled by ADEM A4) 
    • Individual Cylinder Detonation Sensitive Timing (DST) 
  • Governing
    • ADEM A4 speed governor with 4 to 20ma (0V to 5V) speed input

Optional Equipment:

  • Air Inlet
    • Mounting brackets and piping
    • Air cleaner with precleaner
  • Control Panel
    • Local PC monitoring
    • Engine failure relay
    • Remote PC monitoring
    • Local alarm module
    • Remote annunciator
  • Cooling
    • Remote radiator for JW and SCAC circuits, level switch included but not wired
    • Inlet/Outlet connections
    • Coolant level drain line with valves, fan with guard
  • Circuit Breakers
    • 2000A 3 Pole, UL-100% Rated Masterpact Circuit Breakers
    • Frame mounting
    • S LSI, G LSIG, P LSIG-P, 4th Digit Type
    • Right, left, rear mounted
    • 1600A, 2000A 3 Pole, UL-100% Rated R-Frame Circuit Breakers
    • 100% rated, 3-pole (UL/CSA/IEC) 5th Digit Rating
    • 3-pole (IEC 947-2 rated)
    • 1200A, 3 Pole, UL-100% Rated P-Frame Circuit Breakers
  • Exhaust
    • 305 mm (12 in.) flange
    • Flexible fittings
    • 18, 25 dBA Attenuation
    • 305 mm (12 in.) muffler
    • 305mm (12 in) spark arresting muffler
    • 305 mm (12in.) elbow
  • Fuel System
    • 3, 0-100 kPag, 4-20mA gas train pressure sensors
  • General
    • US AID emblem
    • Special paint order
    • Digital diagnostic tool
    • Tool set
  • Generator
    • Generator air filter
    • European bus bars
    • Low voltage extension box
    • Cable access box
    • Bearing temperature detectors
  • Starting/charging
    • 20A, 24VDC battery charger
    • 24V starting motors
    • 45A, 24V charging alternator (requires engine driven pumps)

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