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G3512H Gas Generator Sets

From natural gas to biogas, coal mine gases, or hydrogen fuel blends to support combined heat and power (CHP), emergency power, and local grid support applications, Caterpillar has a wide range of reliable gas power solutions.

G3512H

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Cat® G3512H (1061kW-1515kW Gas) Generator models deliver top tier electrical efficiency while providing the lowest maintenance and overhaul costs.

Continuous Rating
1515 ekW / 1505 ekW @1.0pf
Fuel Type
Natural Gas, Hydrogen Blend (up to 25%)
Maximum Electrical Efficiency
44.90%
Frequency
50 / 60 Hz
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  • Specifications
  • Features
  • Standard Equipment

Specifications

Generator Set Specifications specifications
Continuous Rating 1515 ekW / 1505 ekW @1.0pf
Fuel Type Natural Gas, Hydrogen Blend (up to 25%)
Maximum Electrical Efficiency 44.90%
Frequency 50 / 60 Hz
RPM 1500 rpm

Features

Cat G3512H 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 and hydrogen mixtures
    •     
  • 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

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

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

Standard Equipment

Air Inlet
  • Package Mounted Air Cleaner with service indicator
Cooling
  • Jacket water and SCAC thermostats
  • 2nd Stage CAT Flange
  • ANSI Class 150 JW Connection
  • Engine driven pumps for jacket water and aftercooler cooling
Control Panels
  • Dedicated customer wiring terminals
Control Panel
  • EMCP4.3
Exhaust
  • Dry exhaust manifolds insulated and shielded
  • Center section cooled turbocharger with Cat flanged outlet
Generator
  • High efficiency low voltage Cat generator, permanent magnet excitation, digital regulation, IP23 water ingress protection, & form wound construction.
Starting/Charging
  • Electric Starter
General
  • Paint - Caterpillar Yellow except rails and radiators gloss black
  • Crankshaft vibration damper and guard

Optional Equipment

Air Inlet

  • Mounting brackets and piping
  • Air cleaner with precleaner

Control Panels

  • Remote annunciator

Circuit Breakers

  • Frame mounting circuit breaker orientation
  • 2500A 3-pole IEC rated circuit breakers
  • Rear Mounted Circuit Breaker
  • 3000A/3200A/4000A UL100% Rated Masterpact circuit breaker (60 Hz only)
  • LSI Long-Time, LSI-P Long-Time, LSIG Long-Time, LSIG-P Long-Time,

Control Panel

  • Language Options
  • Cable Shroud Location
  • Engine failure relay
  • Discrete I/O module, 12 digital points, 8 'Form C' relay
  • 16 point/32 light annunciator with NFPA99-110/CSA282 configuration

Cooling

  • Remote radiator for JW and SCAC circuits
  • 220V (50Hz), 240V (60Hz), 480V (60Hz) JW heater

Exhaust

  • Flexible fitting [305mm x 305mm (12in. X 12in.)] w/ 12 bolt-flanges
  • 406mm (16in.) sparking-arresting muffler with companion flange
  • Exhaust expander [250mm-329mm (10in-12in)]
  • 305mm (12 in.) flange
  • Muffler options

Fuel System

  • 1/2" NPT gas train conduit connectors
  • 3, 0-100kPag 4-20mA gas train pressure sensors
  • Fuel Filter
  • Gas knockdown regulators

General

  • Digital Diagnostic tool
  • US Aid emblem

Generator

  • Generator air filter
  • Manual voltage control
  • Cable access box
  • RTD Monitorring
  • Bearing temperature detectors

Governing System

  • ADEM A4 4-20mA (0-5V) speed input

Starting/Charging

  • Battery with cables and rack
  • 24V Starting motors
  • 20A, 24VDC battery charger
  • 45A, 24V charging alternator (requires engine driven pumps)
  • Jacket water heater

Grid Code Compliance

  • 60 Hz: USA
  • 50 Hz: Germany, Great Britain, Belgium, Romania, Italy, Ireland, Poland, Netherlands, Spain, France, and European Standard