G3520E

G3520E Gas Generator


SPECIFICATIONS
Engine Specifications
Compression Ratio 11.9
Fuel System Natural Gas


Generator Sets Specification
Maximum Continuous Rating 2022


Generator Set Specifications
Fuel Type Natural Gas


Generator Sets Specifications
Maximum Electrical Efficiency 41.50%
Maximum Standby Rating 2022
Frequency 50
RPM 1500


Engine Specifications
Engine Model G3520E
Displacement 5248
Aspiration TA
Bore 6.7 in
Stroke 7.5 in


Generator Set Dimensions
Length 271 in
Width 79 in
Height 107 in
Dry Weight - Genset 39306 lb


BENEFITS & FEATURES
Emissions


Meets most worldwide emissions requirements down to 0.5 g/bhp-hr Nox level without aftertreatment

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 provide extensive post-sale support including maintenance and repair agreements. Cat dealers have over 1,800 dealer branch stores operating in 200 countries. The Caterpillar S•O•S℠„ program cost effectively detects internal engine component condition, even the presence of unwanted fluids and combustion by-products

CAT SR5 Generator


Designed to match performance and output characteristics of Caterpillar gas engines. Industry leading mechanical and electrical design. High efficiency

CAT EMCP4.3 Control Panel


The EMCP controller features the reliability and durability you have come to expect from your Cat equipment. EMCP4.3 is a scalable control platform designed to ensure reliable generator set operation, providing extensive information about power output and engine operation. EMCP4.3 systems can be further customized to meet your needs through programming and expansion modules.

Proven System


Field proven in a wide range of apllications worldwide, fully protype tested, and certified torsional vibration analysis available

CAT G3520E 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

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

EQUIPMENT
Standard Equipment

Air Inlet
  • Two-element single-stage air cleaner with enclosure and service indicator
Control Panel
  • EMCP 4.3
Cooling
  • Engine driven water pumps for jacket water and aftercooler
  • Standard CAT Flange
  • Right-Hand/Left-Hand Outlet Connections
  • ANSI/DN adapter flange connections 
Exhaust
  • Dry exhaust manifolds, insulated and shielded
  • Individual  exhaust port and turbocharger outlet wired to Integrated Sensing Module (ISM) with Gas ECM providing alarms and shutdowns
Fuel System
  • 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
  • Engine installed, fuel metering valve
  • 24V ETR Gas Shutoff Valve
  • Fuel filter
Ignition System
  • Electronic Ignition System (controlled by GECM) 
  • Individual Cylinder Detonation Sensitive Timing (DST) 
Generator
  • SR5
  • 3-phase brushless, salient pole
  • Permanent Magnet Excitiation
  • Caterpillar's Digital Voltage Regulator (CDVR) with 3-phase sensing and KVAR/PF
  • Anti-condensation space heater
  • Winding temperature detectors
  • Bus bar connections
General
  • RH Service

Optional Equipment

Air Inlet
  • Regular duty air cleaner
  • Heavy duty air cleaner
Contol Panel
  • Local NFPA99-110 Alarm Module w/LEDs
  • Custom 8-Light Alarm Module
  • Synchronizing Module
  • Engine Failure Relay
  • PL1000E/PL1000T Communications Module
  • Remote 24V-32V 8/16 Light Annunciator
Cooling
  • Aftercooler air lines, aftercooler core replacement
  • Jacket water coolant heater
  • Engine Pumps
  • Inlet/Outlet connections
  • Cat Flange, ANS/DIN Adapter Flange
Exhaust
  • 356-406mm Flange and Exhaust Expander
  • 305/356mm Flange/Exhaust Expanders, 305/406mm Flange and Exhaust Expander
  • 305/360/406 mm Elbow Kits
  • Mufflers (15/18/25 dBA Attenuation) and spark-arresting muffler with ANSI companion flanges
  • Flexible Fittings
  • 15/18/25 dBA Muffler Attenuation
  • 16" Spark Arresting Muffler
Fuel System
  • Gas Train (31.5 MJ/Nm3 with inlet pressure 19.2 to 48.3 kPa (2.78 to 7 psi))
  • Gas Train 0-100 kPag, 4-20mA pressure sensors
  • Fuel Filter, Gas Filter
  • 24VDC Gas Shutoff Valve, Gas Knockdown Regulator
Generator
  • Low voltage extension box
  • Cable access box
  • Bearing temperature detectors
  • Generator air filter
  • Medium and high voltage generators and attachment
  • 8.7/15 kV Cross, Differential, Current Transformers (CCCT, DCT, CT)
  • Annunciator modules
  • 415/400/380, 3300/6600/11000 Volt Generator Options (50 Hz)
  • 480/4160/13200 Volt Generator Options (60 Hz)
  • 16 Point/32 light annunciator with NFPA99-110/CSA282 configuration
  • 8/15/23M harness
  • Extension box, European bus bars
  • Air filters, cable access box
Governing System
  • Load share module
Starting/Charging
  • Battery with cables and rack (shipped loose)
  • Jacket water coolant heater
  • 45A, 24V charging alternator (requires engine driven pumps)
  • Battery diconnect switch
  • 20A Battery Charger
  • 24V Starting Motors