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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

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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G3520C Gas Generator

Overview

Gas Generator Sets Specification

Engine Specification

Generator Set Specifications

Engine Specifications

Generator Set Dimensions

Standard/Optional Features

Standard Equipment:

Optional Equipment:

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