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Overview

Caterpillar is leading the power generation marketplace with Power Solutions engineered to deliver unmatched flexibility, expandability, reliability, and cost-effectiveness.

Gas Generator Sets Specification

Units:
Fuel Type Natural Gas Natural Gas Less
Gas Standby Rating 1000kW 1000kW Less
Frequency 60Hz 60Hz Less
rpm 1800rpm 1800rpm Less
Compression Ratio 9.7 9.7 Less
Displacement 3173.0 in3 52.0 L Less

Engine Specifications

Engine Model G3512 G3512 Less
Bore 6.7 in 170.0 mm Less

Engine Specification

Stroke 7.5 in 190.0 mm Less
Displacement 3173.0 in3 52.0 L Less
Aspiration TA TA Less

Generator Set Dimension

Length 205.7 in 5224.0 mm Less
Width 90.0 in 2286.0 mm Less
Height 99.4 in 2525.0 mm Less
Weight 27500.0 lb 12500.0 kg Less

Generator Set Configurations

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

G3512 1000kW Standard Equipment

Air Inlet
  • Dual air cleaners, 1 per side, with service indicator

Cooling System
  • Engine driven pumps for jacket water and separate circuit aftercooler

Exhaust
  • Inboard Exhaust manifolds

Fuel
  • Gas Train: NFPA37 and CSA B149.3
  • 0.5 to 5 psi engine fuel inlet pressure
  • Pipeline Natural Gas: 800-1000 BTU/scf and 70-100 Methane Number
  • NOx sensor based air-fuel-ratio control
  • Fuel Safeties, “Energize to Run” (ETR) Gas Shutoff Valve (GSOV)

Generator
  • Matched to the performance and output characteristics of Cat engines
  • SR5 Generators include:
  • Permanent Magnet Excitation
  • Selectable Class H insulation, Class F Continuous (105° C) or Class F Standby (130° C) temperature rise
  • 6 Lead
  • CDVR Voltage Regulator, 3-phase sensing with reactive droop
  • Terminal Box with segregated low voltage (AC/DC) wiring panel
  • Rear Mounted EMCP 4.3 control panel

Lubrication
  • Gear type lube oil pump
  • Cartridge style oil filter
  • Integral lube oil cooler

Mounting
  • Steel base- engine/generator/radiator mounting
  • Anti-vibration mounts available for isolation efficiencies above 95%

Starting/Charging
  • 24V DC starting motors
  • Batteries with rack and cables
  • Battery disconnect switch
  • Jacket Water Coolant Heaters: 208/240/480V, 60Hz, 9/12 kw, UL Listed

Governing
  • ADEM A4 speed governor with 4 to 20ma (0V to 5V) speed input

Control Panel
  • EMCP 4.3 Genset Controller

Ignition
  • Electronic Ignition System (controlled by ADEM A4)
  • Individual cylinder Detonation Sensitive Timing

General
  • Paint -- Caterpillar Yellow except rails & radiators;
  • Crankshaft vibration damper
  • Lifting eyes
  • Operation and Maintenance Manuals; Parts Book

G3512 1000kW Optional Equipment

Exhaust
  • Exhaust Mufflers
  • Elbows, flanges, and flexible fittings

Generator
  • Voltages Available: 440/480/600/2400/4160
  • Random and Form wound available
  • Oversizing available
  • Space Heater – 240V
  • Stator and bearing temperature monitoring and protection

Power Terminations
  • LH/RH/Rear Busbar connections
  • Top/Bottom Cable Entry
  • Circuit Breakers

Lube System
  • Lubricating oil
  • Oil Level Regulator
  • Sump Pump

Control System
  • Generator temperature monitoring & protection
  • Load share module
  • Annunciators

Starting/Charging
  • Starters: Either 2 or 3 electric starters available
  • Battery Chargers: 20, 35, or 50 AMP
  • Charging alternator, 45 AMP
  • Batteries (w/ rack and cables)
  • Electric Prelube Pump (AC)

Mounting
  • Low efficiency (90%), rubber puck isolators
  • High efficiency (95%), spring isolators
  • Seismic isolators, rated to 1.5G

Cooling System
  • Package Mounted Radiator, sized for 45C/113F ambient to 300m/660ft
  • Low coolant level sensors (w/ radiator)
  • Jacket Water out: LH/RH, flanged or hose

General
  • The following options are based on regional and product configuration: