G3512E

G3512E Gas Generator Set

Cat® G3512E (700kW-1200kW) Natural Gas Generator models provide maximum performance on low pressure gaseous fuel supply along with longer life & lower costs.

G3512E

DESCRIPTION

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.Electric Power

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

Cooling System

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

Worldwide 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

  • Standard Equipment
  • Optional Equipment
  • Specs
  • Docs

Standard Equipment

  • Air Inlet
    • 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
    • Anti-condensation space heater
    • Winding temperature detectors
    • NEMA Class H insulation
  • Governing System
    • ADEM A4
  • Ignition System
    • Electronic Ignition System (controlled by GECM)
    • Individual Cylinder Detonation Sensitive Timing (DST)
  • Starting/Charging
    • Electric Starter

Optional Equipment

  • Air Inlet
    • Mounting brackets and piping
    • Air cleaner with precleaner
  • Circuit Breakers
    • Frame mounting
    • Right, left, rear mounted
    • 3-pole (IEC 947-2 rated)
    • 100% rated, 3-pole (UL/CSA/IEC) 5th Digit Rating
    • S LSI, G LSIG, P LSIG-P, 4th Digit Type
    • 1200A, 3 Pole, UL-100% Rated P-Frame Circuit Breakers
    • 1600A, 2000A 3 Pole, UL-100% Rated R-Frame Circuit Breakers
    • 2000A 3 Pole, UL-100% Rated Masterpact Circuit Breakers
  • Cooling
    • 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).
  • General
    • US AID emblem
    • Special paint order
    • Tool set
    • Digital diagnostic tool
  • Generator
    • Cable access box
    • Bearing temperature detectors
    • Generator air filter
    • European bus bars
  • Starting/Charging
    • 24V starting motors
    • Battery with cables and rack (shipped loose)
    • Jacket water heater
    • 45A, 24V charging alternator (requires engine driven pumps)
    • 20A, 24VDC battery charger

Specs

Overview

Long Name:
G3512E Gas Generator Set
Name:
G3512E
Brand:
Caterpillar
Status:
Current

Generator Set Specifications

Continuous Rating
1200 ekW
Fuel Type
Natural Gas
Maximum Electrical Efficiency
42.30%
Maximum Standby Rating
-
Frequency
50 Hz

Engine Specifications

Bore
6.7 in / 170 mm
Aspiration
TA
Engine Model
G3512E
Stroke
7.5 in / 190 mm
Displacement
3158 in³ / 52 l

Generator Set Dimensions

Length
181 in / 4594 mm
Width
65 in / 1647 mm
Height
89 in / 2255 mm
Dry Weight - Genset
27475 lb / 12460 kg

Generator Set Specifications

Speed
1500 rpm

SEE HOW G3512E COMPARES AGAINST FREQUENTLY COMPARED PRODUCTS.

Gas Generator Sets
G3512E
G3512E
Brand
Caterpillar
Status
Current
Fuel Type
Natural Gas
Frequency
50 Hz
Bore
6.7 in / 170 mm
Aspiration
TA
Engine Model
G3512E
Stroke
7.5 in / 190 mm
Displacement
3158 in³ / 52 l
Length
181 in / 4594 mm
Width
65 in / 1647 mm
Height
89 in / 2255 mm
Gas Generator Sets
G3512 with FAST RESPONSE
G3512 Gas Generator Set
Brand
Caterpillar
Status
Current
Fuel Type
Natural Gas, Hydrogen Blend (up to 5%)
Frequency
60 Hz
Bore
6.7 in / 170 mm
Aspiration
TA
Engine Model
G3512
Stroke
7.5 in / 190 mm
Displacement
3173 in³ / 52 l
Length
205.7 in / 5224 mm
Width
90 in / 2286 mm
Height
99.4 in / 2525 mm
Gas Generator Sets
G3512H
G3512H 50 Hz Gas Open Generator Set, Rear Right View
Brand
Caterpillar
Status
Current
Fuel Type
Natural Gas, Hydrogen Blend (up to 25%)
Frequency
50 / 60 Hz
Bore
6.7 in / 170 mm
Aspiration
TA
Engine Model
G3512H
Stroke
8.5 in / 215 mm
Displacement
3574 in³ / 59 l
Length
223 in / 5656 mm
Width
76 in / 1921 mm
Height
91 in / 2308 mm