G3512 with FAST RESPONSE

G3512 750kW Gas Generator Set

Cat® G3512 (525kW-750kW) Natural Gas Generator models in varying applications worldwide provide prolonged life and lower costs along with high performance.

DESCRIPTION

Caterpillar is leading the power generation marketplace with Fast Response generator sets engineered to deliver unmatched performance, reliability, and cost-effectiveness.Electric Power

Frequency

60 Hz

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

5

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
  • Optional Equipment
  • Specs
  • Docs

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

Optional Equipment

  • Air Inlet
    • Mounting brackets and piping
    • Air cleaner with precleaner
  • Circuit Breakers
    • S LSI, G LSIG, P LSIG-P, 4th Digit Type
    • Right, left, rear mounted
    • 1200A, 3 Pole, UL-100% Rated P-Frame Circuit Breakers
    • 1600A, 2000A 3 Pole, UL-100% Rated R-Frame Circuit Breakers
    • 2000A 3 Pole, UL-100% Rated Masterpact Circuit Breakers
    • 100% rated, 3-pole (UL/CSA/IEC) 5th Digit Rating
    • 3-pole (IEC 947-2 rated)
    • Frame mounting
  • Control Panel
    • Remote annunciator
    • Local alarm module
    • Local PC monitoring
    • Engine failure relay
    • Remote PC monitoring
  • Cooling
    • Coolant level drain line with valves, fan with guard
    • Remote radiator for JW and SCAC circuits, level switch included but not wired
    • Inlet/Outlet connections
  • Exhaust
    • 305 mm (12in.) elbow
    • 18, 25 dBA Attenuation
    • Flexible fittings
    • 305 mm (12 in.) muffler
    • 305mm (12 in) spark arresting muffler
    • 305 mm (12 in.) flange
  • Fuel System
    • 3, 0-100 kPag, 4-20mA gas train pressure sensors
  • General
    • Special paint order
    • US AID emblem
    • Tool set
    • Digital diagnostic tool
  • Generator
    • Cable access box
    • Generator air filter
    • European bus bars
    • Low voltage extension box
    • Bearing temperature detectors
  • Starting/Charging
    • 20A, 24VDC battery charger
    • Battery with cables and rack
    • Jacket water heater
    • 45A, 24V charging alternator (requires engine driven pumps)
  • Grid Code Compliance
    • 60 Hz: USA

Specs

Overview

Long Name:
G3512 750kW Gas Generator Set
Name:
G3512 with FAST RESPONSE
Brand:
Caterpillar
Status:
Current

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 / 52 l

Engine Specifications

Engine Model
G3512
Displacement
3173 in³ / 52 l
Aspiration
TA
Bore
6.7 in / 170 mm
Stroke
7.5 in / 190 mm

Generator Set Dimensions

Length
205.7 in / 5224 mm
Width
90 in / 2286 mm
Height
99.4 in / 2525 mm
Weight
27500 lb / 12500 kg

Engine Specifications

Governor Type
ADEM A4