G3512 750kW Gas Generator Set

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Technical Specifications

Benefits and Features

Equipment

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Generator Set Specifications
Gas Standby Rating	750 ekW @ 0.8pf
Fuel Type	Natural Gas, Hydrogen Blend (up to 5%)
Emissions/Fuel Strategy	U.S. EPA Certified for Non-Emergency Stationary Genset
RPM	1800 rpm
Frequency	60 Hz
Displacement	3173 in³
Engine Specifications
Engine Model	G3512
Displacement	3173 in³
Aspiration	TA
Bore	6.7 in
Stroke	7.5 in
Governor Type	ADEM A4
Generator Set Dimensions
Length	205.7 in
Width	90 in
Height	99.4 in
Weight	27500 lb

Cat G3512 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 and hydrogen blends
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

SR5 Generator

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

Cat ECS 100 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

Cooling System

Designed to operate in standard ambient temperatures up to 43°C (110°F)
Contact your Cat Dealer for specific ambient and altitude capabilities

Emissions

EPA Certified for use in Emergency and Non-Emergency applications
Additional a NOx selectable genset is available to 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

Standard Equipment:

Air Inlet
- Dual air cleaners, 1 per side, with service indicator
- Two-element single-stage air cleaner with enclosure and service indicator
Control Panel
- Cat ECS 100
Cooling
- Engine driven pumps for jacket water and separate circuit aftercooler
- Jacket water and SCAC engine-driven pumps
- Jacket water and SCAC thermostats
- LH or RG connections when radiator is not selected
- Package mounted radiator
Fuel
- NOx sensor based air-fuel-ratio control
- 0.5 to 5 psi engine fuel inlet pressure
- Pipeline Natural Gas: 800-1000 BTU/scf and 70-100 Methane Number
- Gas Train: NFPA37 and CSA B149.3
Exhaust
- Individual exhaust port and turbocharger outlet wired to integrated temperature sensing module (ITSM) with GCEM providing alarms and shutdowns
- Dry exhaust manifolds, insulated and shielded
- Cat-flanged face outlet on turbocharger
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
- Throttle plate, 24V DC actuator, controlled by GECM
- Engine-installed electronic control valve
- Gas pressure regulator
- 24V DC energized-to-run (ETR) gas shutoff valve
General
- Crankshaft vibration damper and guard
- Operation and maintenance manuals
- Parts book
- Paint- Caterpillar Yellow except rails and radiators gloss black
- RH Service
Lubrication
- Gear type lube oil pump
- Cartridge style oil filter
Generator
- Anti-condensation space heater
- Winding temperature detectors
- NEMA Class H insulation
- SR5
- Permanent Magnet Excitiation
- Caterpillar's Digital Voltage Regulator (CDVR) including reactive droop capability, 3-phase voltage sensing, KVAR/PF modes, RFI suppression, and a min/max exciter
Governing System
- ADEM A4
Ignition System
- Individual Cylinder Detonation Sensitive Timing (DST)
- Electronic Ignition System (controlled by ADEM A4)
Governing
- ADEM A4 speed governor with 4 to 20ma (0V to 5V) speed input
Starting/charging
- 24V DC starting motors
- Batteries with rack and cables
- Electric Starter