Overview
1061 - 1515 kW Gas Generator
From natural gas to biogas, coal mine gases, or hydrogen fuel blends to support combined heat and power (CHP), emergency power, and local grid support applications, Caterpillar has a wide range of reliable gas power solutions.
Related Documents For G3512H
BENEFITS & FEATURES
BENEFITS
Up to 25% hydrogen blended fuel option
Enables operation of up to 25% hydrogen blend (by volume) with pipeline natural gas fuel
Up to 15% savings on service
Extended maintenance intervals leading to lower service costs
Up to 20% lower lube oil consumption
Leading to lower service costs and extended maintenance intervals
FEATURES
Cat G3512H Gas Engine
- Robust high speed block design provides prolonged life and lower owning operating costs
- Designed for maximum performance on low pressure pipeline natural gas and hydrogen mixtures
- 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
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
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
SPECIFICATIONS
| Generator Set Specifications | |
| Continuous Rating | 1515 ekW / 1505 ekW @1.0pf |
| Fuel Type | Natural Gas, Hydrogen Blend (up to 25%) |
| Maximum Electrical Efficiency | 44.90% |
| Frequency | 50 / 60 Hz |
| RPM | 1500 rpm |
| Engine Specifications | |
| Engine Model | G3512H |
| Displacement | 3574 in³ |
| Aspiration | TA |
| Bore | 6.7 in |
| Stroke | 8.5 in |
| Governor Type | ADEM A4 |
Standard Equipment
Air Inlet
- Package Mounted Air Cleaner with service indicator
Cooling
- Jacket water and SCAC thermostats
- 2nd Stage CAT Flange
- ANSI Class 150 JW Connection
- Engine driven pumps for jacket water and aftercooler cooling
Control Panels
- Dedicated customer wiring terminals
Control Panel
- EMCP4.3
Exhaust
- Dry exhaust manifolds insulated and shielded
- Center section cooled turbocharger with Cat flanged outlet
Generator
- High efficiency low voltage Cat generator, permanent magnet excitation, digital regulation, IP23 water ingress protection, & form wound construction.
Starting/Charging
- Electric Starter
General
- Paint - Caterpillar Yellow except rails and radiators gloss black
- Crankshaft vibration damper and guard
Optional Equipment
Air Inlet
- Mounting brackets and piping
- Air cleaner with precleaner
Control Panels
- Remote annunciator
Circuit Breakers
- Frame mounting circuit breaker orientation
- 2500A 3-pole IEC rated circuit breakers
- Rear Mounted Circuit Breaker
- 3000A/3200A/4000A UL100% Rated Masterpact circuit breaker (60 Hz only)
- LSI Long-Time, LSI-P Long-Time, LSIG Long-Time, LSIG-P Long-Time
Control Panel
- Language Options
- Cable Shroud Location
- Engine failure relay
- Discrete I/O module, 12 digital points, 8 'Form C' relay
- 16 point/32 light annunciator with NFPA99-110/CSA282 configuration
- Empty Upper Box Right/Left
- Local Alarm module
- Synchronization module
- Cat Connect: Ethernet, satellite, or cell telematics
- Local/Remote PC Monitoring
- Right/Left/Rear Extension Box
Cooling
- Remote radiator for JW and SCAC circuits
- 220V (50Hz), 240V (60Hz), 480V (60Hz) JW heater
Exhaust
- Flexible fitting [305mm x 305mm (12in. X 12in.)] w/ 12 bolt-flanges
- 406mm (16in.) sparking-arresting muffler with companion flange
- Exhaust expander [250mm-329mm (10in-12in)]
- 305mm (12 in.) flange
- Muffler options
- Elbow exhaust
Fuel System
- 1/2" NPT gas train conduit connectors
- 3, 0-100kPag 4-20mA gas train pressure sensors
- Fuel Filter
- Gas knockdown regulators
General
- Digital Diagnostic tool
- US Aid emblem
Generator
- Generator air filter
- Manual voltage control
- Cable access box
- RTD Monitoring
- Bearing temperature detectors
Governing System
- ADEM A4 4-20mA (0-5V) speed input
Starting/Charging
- Battery with cables and rack
- 24V Starting motors
- 20A, 24VDC battery charger
- 45A, 24V charging alternator (requires engine driven pumps)
- Jacket water heater
Grid Code Compliance
- 60 Hz: USA
- 50 Hz: Germany, Great Britain, Belgium, Romania, Italy, Ireland, Poland, Netherlands, Spain, France, and European Standard
