G3512E | 700kW-1200kW Natural Gas Generator

SPECS SUMMARY

Continuous Rating	1200 ekW
Fuel Type	Natural Gas
Maximum Electrical Efficiency	42.30%
Maximum Standby Rating	-

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.

Specifications

Continuous Rating	1200 ekW
Fuel Type	Natural Gas
Maximum Electrical Efficiency	42.30%
Maximum Standby Rating	-
Frequency	50 Hz
Length	181 in (4594 mm)
Width	65 in (1647 mm)
Height	89 in (2255 mm)
Dry Weight - Genset	27475 lb (12460 kg)
Bore	6.7 in (170 mm)
Aspiration	TA
Engine Model	G3512E
Stroke	7.5 in (190 mm)
Displacement	3158 in³ (52 l)
Speed	1500 rpm

Benefits and Features

Cat G3512E 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 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

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

Two-element single-stage air cleaner with enclosure and service indicator

Control Panel

EMCP 4.3

Cooling

Jacket water and SCAC engine-driven pumps
Jacket water and SCAC thermostats

Exhaust

Dry exhaust manifolds, insulated and shielded
Individual exhaust port and turbocharger outlet wired to integrated temperature sensing module (ITSM) with GCEM providing alarms and shutdowns
Cat-flanged face outlet on turbocharger

Fuel System

Engine-installed electronic control valve
24V DC energized-to-run (ETR) gas shutoff valve
Gas pressure regulator

Fuel system

Electronic fuel metering valve
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

General

Paint- Caterpillar Yellow except rails are gloss black
Parts book
Crankshaft vibration damper and guard
Operation and maintenance manuals
RH Service

Generator

SR4B
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
Anti-condensation space heater
Winding temperature detectors
NEMA Class H insulation

Governing System

ADEM A4

Ignition System

Electronic Ignition System (controlled by GECM)
Individual Cylinder Detonation Sensitive Timing (DST)

Starting/Charging

Electric Starter

Optional Equipment