Electric Power

  • Specs Summary
  • Fuel Type
    Natural Gas
  • Maximum Electrical Efficiency
    3173 (52 )
  • Gas Standby Rating
    750kW
  • Emissions/Fuel Strategy
    U.S. EPA Stationary Emergency Certified

G3512 750kW Gas Generator Set

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

Gas Generator Sets Specification

  • Fuel Type Natural Gas
  • Maximum Electrical Efficiency 3173 (52 )
  • Maximum Standby Rating 9.7 (9.7 )
  • Frequency 60Hz
  • Gas Standby Rating 750kW
  • rpm 1800rpm

Engine Specification

  • Engine Model G3512
  • Bore 6.7 in (170 mm)
  • Stroke 7.5 in (190 mm)
  • Displacement 3173 in3 (52 L)
  • Aspiration TA

Generator Set Dimension

  • Length 205.7 in (5224 mm)
  • Width 90 in (2286 mm)
  • Height 99.4 in (2525 mm)
  • Dry weight genset 27500 lb (12500 kg)

Generator Set Configurations

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

Standard Equipment

Air Inlet

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

Cooling

  • 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:

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

Optional Equipment

Exhaust

  • Exhaust Mufflers
  • Elbows, flanges, and flexible fittings

Generator

  • Voltages Available: 440/480/600/2400/4160
  • Random and Form wound 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: