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G3520H 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.

G3520H

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Cat® G3520H (1763kW-2500kW) Gas Generator models delivers world-class efficiency for combined heat & power (CHP) and other operations.

Continuous Rating
2519 / 2500 ekW @ 1.0pf
Fuel Type
Natural Gas, Hydrogen Blend (up to 25%)
Maximum Electrical Efficiency
45.30%
Frequency
50 / 60 Hz
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  • Specifications
  • Features
  • Standard Equipment

Specifications

Generator Set Specifications specifications
Continuous Rating 2519 / 2500 ekW @ 1.0pf
Fuel Type Natural Gas, Hydrogen Blend (up to 25%)
Maximum Electrical Efficiency 45.30%
Frequency 50 / 60 Hz
RPM 1500
Frequency 50/60 Hz

Features

Cat G3520H 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

Control Panel
  • EMCP 4.3
Air Inlet
  • Two-element single-stage air cleaner with enclosure and service indicator
Cooling
  • Engine driven water pumps for jacket water and aftercooler
  • Jacket water and SCAC thermostats
  • ANSI/DN customer flange connections for JW inlet and outlet
Circuit Breaker
  • LSI Long-Time, Short-Time, Instantaneous Annunciator
  • Rear-mounted
  • 5000A 3-Pole IEC Rated Circuit Breakers
Exhaust
  • Center section cooled turbocharger with Cat flanged outlet
  • Dry exhaust manifolds, insulated and shielded
  • Individual exhaust port and turbocharger outlet wired to Integrated Tmeperature Sensing Module (ITSM) with GECM providing alarms and shutdowns
Fuel System
  • Electronic fuel metering valve
  • Throttle plate, 24V DC actuator, controlled by GECM
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
Ignition System
  • Electronic Ignition System (controlled by ADEM A4)
  • Individual Cylinder Detonation Sensitive Timing (DST)
Generator
  • Caterpillar's Digital Voltage Regulator (CDVR) with 3-phase sensing and KVAR/PF control
  • SR4B
  • Crankshaft Vibration Damper and Guard
  • Busbar connections
  • Paint- Caterpillar Yellow except rails gloss black
Govrerning System
  • ADEM A4 4-20mA (0-5VV) Speed Input

Optional Equipment

Air Inlet

  • Mounting Brackets and Piping
  • Air cleaner with precleaner

Circuit Breaker

  • MP- Frame 6 Pole Bottom Cable Entry
  • 4000/5000A Neutral Current Transformer Automatic Selection
  • No UV trip or package mounted CB Wiring
  • Frame Mounting

Control Panel

  • 16 Point/32 Light Annunciator, Shipped Loose
  • Remote Communications Module (PL1000T, PL1000E)
  • Remote annuciator
  • Local PC Monitorring
  • Discrete I/O Module, 12 Digital Inputs, 8 'Form C' Relay

Cooling

  • Inlet/Outlet connections
  • Coolant level drain line with valves, fan with guard

Exhaust

  • Muffler and spark-arresting muffler with companion flanges
  • Flange
  • Elbow
  • Flexible Fitting
  • Exhaust Expander

Fuel System

  • Gas Knockdown Regulator
  • Fuel filter
  • Gas pressure regulator
  • Gas shutoff valve 24V, ETR (Energized-To-Run)

Generator

  • Bearing temperature detectors
  • Cable access box
  • Low voltage extension box
  • Manual voltage control
  • European bus bar

General

  • Digital diagnostic tool
  • Special paint order
  • Tool set
  • US AID Emblem

Starting/Charging

  • Battery with cables and rack (shipped loose)
  • 24V starting motors
  • Jacket water heater
  • 60A, 24V charging alternator (requires engine driven pumps)

Grid Code Compliance

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