G3520C Gas Generator
| Maximum Electrical Efficiency |
40.4% |
| Maximum Standby Rating |
2,000 |
| Engine Model |
G3520C |
| Continuous Rating |
2050 ekW |
| Fuel Type |
Natural Gas, Biogas, Coal Gas |
| Frequency |
50 / 60 Hz |
Gas Generator Sets Specification
| Maximum Electrical Efficiency |
40.4% |
| Maximum Standby Rating |
2,000 |
Generator Set Specifications
| 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 |
2,050 |
Engine Specifications
| Bore |
7 in |
| Stroke |
8 in |
| Displacement |
5,270 in³ |
| Aspiration |
TA |
| Engine Model |
G3520C |
| Compression Ratio |
11 |
| Fuel System |
Natural Gas, Biogas, Coal Gas |
Generator Set Dimensions
| Length |
249 in |
| Width |
79 in |
| Height |
92 in |
| Dry Weight - Genset |
37,959 lb |
| Weight |
37,953 lb |
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
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
Worldwide 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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Air Inlet
- Two-element single-stage air cleaner with enclosure and service indicator
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Control Panels
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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
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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
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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
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General
- Crankshaft Vibration Damper and Guard
- RH Service
- Parts Book
- Operation and maintenance manuals
- Paint - Caterpillar Yellow except rails and radiators gloss black
-
Air Inlet
- Enclosure Mounting Brackets and Piping
- Mounting stand
- Air cleaner with precleaner
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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
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Control Panels
-
Cooling
- Inlet/Outlet connections
- Engine pumps
- Aftercooler air lines, aftercooler core replacement
- Jacket water coolant heater
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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
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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
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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
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Governing System
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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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Exterior View