Gas Generator Sets G3520C

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Key Specs

Maximum Continuous Rating
2050 ekW
2050 ekW
Fuel Type
Natural Gas, Biogas, Coal Gas
Natural Gas, Biogas, Coal Gas
Maximum Electrical Efficiency
40.10%
40.10%

Overview

1457 - 2082 kW Gas Generator

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.

Benefits

Over 30 Years Market Leadership

Over 1.6 Billion hours Operating Experience

Proven in Tens of Thousands of installations application ranging from Congeneration to Compression

Product Specifications for G3520C

Maximum Continuous Rating 2050 ekW 2050 ekW
Fuel Type Natural Gas, Biogas, Coal Gas Natural Gas, Biogas, Coal Gas
Maximum Electrical Efficiency 40.10% 40.10%
Maximum Standby Rating 2050 2050
Frequency 50 / 60 Hz 50 / 60 Hz
RPM 1200 / 1500 / 1800 rpm 1200 / 1500 / 1800 rpm
Engine Model G3520C G3520C
Displacement 5270 in³ 86 l
Aspiration TA TA
Bore 6.7 in 170 mm
Stroke 7.5 in 190 mm
Fuel System Natural Gas, Biogas, Coal Gas Natural Gas, Biogas, Coal Gas
Compression Ratio 11.3 11.3
Length 249 in 6312 mm
Width 79 in 1830 mm
Height 92 in 2340 mm
Dry Weight - Genset 37959 lb 17215 kg
Weight 37953 lb 17215 kg

G3520C 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

G3520C 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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