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G3520C Gas Generator

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Overview

G3520C Gas Generator

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Cat G3520C 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
SR4B or 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
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
World Wide 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
Cat G3520C 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 or 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
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
World Wide 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
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Gas Generator Sets Specification

Maximum Electrical Efficiency
40.4%
Maximum Standby Rating
2000

Engine Specification

Engine Model
G3520C

Generator Set Specifications

Maximum Continuous Rating
2050 ekW
Fuel Type
Natural Gas, Biogas, Coal Gas
Frequency
50 / 60 Hz
RPM
1200 / 1500 / 1800 rpm
Maximum Electrical Efficiency
40.10%
Maximum Standby Rating
2050

Engine Specifications

Bore
6.7in
Stroke
7.5in
Displacement
5270in³
Aspiration
TA
Engine Model
G3520C
Fuel System
Natural Gas, Biogas, Coal Gas
Compression Ratio
11.3

Generator Set Dimensions

Length
249in
Width
79in
Height
92in
Dry Weight - Genset
37959lb
Weight
37953lb

Standard/Optional Features

Standard Equipment:

  • Air Inlet
    • Two-element single-stage air cleaner with enclosure and service indicator
  • Control Panels
    • EMCP 4.3
  • Cooling
    • ANSI Class 6 in/DN customer flange connections for JW inlet and outlet
    • Engine driven water pumps for jacket water and aftercooler
    • 2nd Stage SCAC-Cat Flange
    • Jacket water and SCAC driven pumps
    • Jacket water and SCAC thermostat and outlet--ANSI 6 in/DN150
  • Exhaust
    • Dry exhaust manifolds, insulated and shielded
    • Cat-flanged face outlet on turbocharger
    • Individual exhaust port and turbocharger outlet wired to Integrated Tmeperature Sensing Module (ITSM) with GECM providing alarms and shutdowns
  • 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
    • Electronic fuel metering valve, ANSI flange
    • Throttle plate, 24V DC actuator, controlled by GECM
    • 24V ETR Gas Shutoff Valve
  • Ignition System
    • Electronic Ignition System (controlled by GECM) 
    • Individual Cylinder Detonation Sensitive Timing (DST) 
  • Generator
    • 3-phase brushless, salient pole
    • Class F Insulation & temperature rise
    • Reactive droop 
    • Permanent Magnet Excitiation
    • Winding temperature detectors
    • Anti-condensation space heater
    • SR4B or SR5
    • Busbar connections
    • Caterpillar's Digital Voltage Regulator (CDVR) with 3-phase sensing and KVAR/PF control
    • SR4B
  • General
    • Crankshaft Vibration Damper and Guard
    • RH Service
    • Parts Book
    • Operation and maintenance manuals
    • Paint - Caterpillar Yellow except rails and radiators gloss black

Optional Equipment:

  • Air Inlet
    • Enclosure Mounting Brackets and Piping
    • Mounting stand
    • Air cleaner with precleaner
  • Contol Panel
    • Custom 8-Light Alarm Module
    • Local NFPA99-110 Alarm Module w/LEDs
    • Remote 24-32V 8/16 Annunciator
    • Synchronizing Module
    • PL1000E/PL1000T Communications Module
    • Engine Failure Relay
  • Control Panels
    • Local alarm module
  • Cooling
    • Inlet/Outlet connections
    • Engine pumps
    • Aftercooler air lines, aftercooler core replacement
    • Jacket water coolant heater
  • Exhaust
    • Mufflers (15/18/25 dBA Attenuation) and spark-arresting muffler with ANSI companion flanges
    • Exhaust expanders
    • Flexible fittings
    • 305/360/406 mm Elbow Kits
  • Fuel System
    • 14-69 kPa (2-10 psi) gas pressure regulator
    • Fuel filter
    • 24V DC Gas shutoff valve
    • 207-276kPa, 30-40 psi gas knockdown regulator
  • Generator
    • Generator Removal
    • Annunciator Modules
    • Medium and high voltage generators and attachment
    • 60 Hz--480/4160 Volt Generator Options
    • Cable access box
    • Generator air filter
    • European Bus Bars
    • Low voltage extension box
    • Bearing temperature detectors
    • 8.7/15 kV Class  Current Transformers (CCCT, DCT, CT)
    • 50 Hz--3300/6600 Volt Generator Options
  • Governing System
    • Load share module
  • Starting/charging
    • Jacket water heater
    • Battery diconnect switch
    • 24V starting motors
    • Battery with cables and rack (shipped loose)
    • 60A, 24V charging alternator (requires engine driven pumps)

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