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G3512 1000kW Gas Generator Set
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 Cat gas engines
- Industry leading mechanical and electrical design
- High efficiency
Cat ECS 100 Control Panel
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
| 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 | 52 l (3173 inu00b3) |
| Engine Specifications | |
|---|---|
| Engine Model | G3512 |
| Displacement | 52 l (3173 inu00b3) |
| Aspiration | TA |
| Bore | 170 mm (6.7 in) |
| Stroke | 190 mm (7.5 in) |
| Generator Set Specifications | |
|---|---|
| Compression Ratio | 9.7 |
| Generator Set Dimensions | |
|---|---|
| Length | 5224 mm (205.7 in) |
| Width | 2286 mm (90 in) |
| Height | 2525 mm (99.4 in) |
| Weight | 12500 kg (27500 lb) |
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