G3512 1000kW Gas Generator Set

Features

  • Cat G3512 Gas Engine

    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

    SR5 Generator

    • Designed to match performance and output characteristics of Cat gas engines
    • Industry leading mechanical and electrical design
    • High efficiency
  • Cat ECS 100 Control Panel

  • Cooling System

    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

    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

    Proven System

    • Field proven in a wide range of applications worldwide
    • Fully prototype tested
    • Certified torsional vibration analysis available
  • Full Range of Attachments

    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

    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

Specifications

Units for specifications

Generator Set Specifications

Gas Standby Rating 1000 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
Compression Ratio 9.7

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

Standard Equipment

Air Inlet

  • Two-element single-stage air cleaner with enclosure and service indicator
  • Dual air cleaners, 1 per side, with service indicator

Control Panel

  • Cat ECS 100

Cooling System

  • Engine driven pumps for jacket water and separate circuit aftercooler

Cooling

  • Package mounted radiator
  • Jacket water and SCAC engine-driven pumps
  • Jacket water and SCAC thermostats
  • LH or RG connections when radiator is not selected

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

  • NOx sensor based air-fuel-ratio control
  • Pipeline Natural Gas: 800-1000 BTU/scf and 70-100 Methane Number
  • Gas Train: NFPA37 and CSA B149.3
  • 0.5 to 5 psi engine fuel inlet pressure

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
  • Engine-installed electronic control valve
  • Throttle plate, 24V DC actuator, controlled by GECM
  • 24V DC energized-to-run (ETR) gas shutoff valve
  • Gas pressure regulator

General

  • Operation and maintenance manuals
  • Paint- Caterpillar Yellow except rails and radiators gloss black 
  • Parts book
  • “Stationary Use Only” Label in Correspondence with EPA Nonroad Mobile SI rule 
  • RH Service
  • Crankshaft vibration damper and guard

Lubrication

  • Cartridge style oil filter
  • Gear type lube oil pump

Starting/Charging

  • Jacket water heater
  • Battery with cables and rack (shipped loose)
  • Electric Starter
  • Batteries with rack and cables
  • 24V DC starting motors

Generator

  • NEMA Class H insulation
  • Permanent Magnet Excitiation
  • SR5
  • Anti-condensation space heater
  • Caterpillar's Digital Voltage Regulator (CDVR) including reactive droop capability, 3-phase voltage sensing, KVAR/PF modes, RFI suppression, and a min/max exciter
  • Winding temperature detectors

Ignition System

  • Electronic Ignition System (controlled by ADEM A4) 
  • Individual Cylinder Detonation Sensitive Timing (DST) 

Governing

  • ADEM A4 speed governor with 4 to 20ma (0V to 5V) speed input

Optional Equipment

Air Inlet

  • Mounting brackets and piping
  • Air cleaner with precleaner

Control Panel

  • Local PC monitoring
  • Engine failure relay
  • Remote PC monitoring
  • Local alarm module
  • Remote annunciator

Cooling

  • Remote radiator for JW and SCAC circuits, level switch included but not wired
  • Inlet/Outlet connections
  • Coolant level drain line with valves, fan with guard

Circuit Breakers

  • 2000A 3 Pole, UL-100% Rated Masterpact Circuit Breakers
  • Frame mounting
  • S LSI, G LSIG, P LSIG-P, 4th Digit Type
  • Right, left, rear mounted
  • 1600A, 2000A 3 Pole, UL-100% Rated R-Frame Circuit Breakers
  • 100% rated, 3-pole (UL/CSA/IEC) 5th Digit Rating
  • 3-pole (IEC 947-2 rated)
  • 1200A, 3 Pole, UL-100% Rated P-Frame Circuit Breakers

Exhaust

  • 305 mm (12 in.) flange
  • Flexible fittings
  • 18, 25 dBA Attenuation
  • 305 mm (12 in.) muffler
  • 305mm (12 in) spark arresting muffler
  • 305 mm (12in.) elbow

Fuel System

  • 3, 0-100 kPag, 4-20mA gas train pressure sensors

General

  • US AID emblem
  • Special paint order
  • Digital diagnostic tool
  • Tool set

Generator

  • Generator air filter
  • European bus bars
  • Low voltage extension box
  • Cable access box
  • Bearing temperature detectors

Starting/Charging

  • 20A, 24VDC battery charger
  • 24V starting motors
  • 45A, 24V charging alternator (requires engine driven pumps)

Grid Code Compliance

  • 60 Hz: USA

Videos

  • Cat ECS Control Panels
G3512 Gas Generator Set

Documents

Related Attachments