New CAT Equipment
Cat G3512H Combined Heat and Power (CHP) Solution
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Up to 5% owning & operating cost savings
Higher electrical efficiency paired with extended maintenance intervals increases uptime and reduces costs
Up to 86.1% Package Combined Efficiency
Combined facility soultion simultaneously providing 42.5% electricity efficiency for electrical loads and 43.6% thermal efficiency for heat energy demands.
Overall Length 63 ft Standardized Enclousure
Designed and built for robustness, safety and transportability. Leading to ease of installation and reduce lead time for implementing of CHP projects.
Learn more about the Cat G3512H Combined Heat and Power (CHP) Solution
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Engine Specifications
Aspiration
TABore
6.7 inCompression Ratio
11.1Displacement
3574 in³Engine Model
G3512HFuel System
Electronic Fuel Control ValveGovernor Type
ADEM™ A4Stroke
8.5 in -
Generator Set Dimensions
Dry Weight - Genset
34700 lbHeight
467 inLength
716 inWeight
161600 lbWidth
155 in -
Generator Set Specifications
Continuous Rating
1490 ekW @ 1.0pfFrequency
60 HzFuel Type
Natural GasMaximum Electrical Efficiency
42.50%RPM
1500 rpm
Engine
- G3512H, V12, 4-stroke-cycle, gas engine. Operates on 31.5 to 47.2 MJ/NM3 dry pipeline natural gas. Turbocharged Separate Circuit Aftercooled.
Air Inlet
- Package Mounted Air Cleaner with service indicator
Control Panel
- On Package EMCP 4.3 Control Panel System Offers engine and generator monitoringand protection, voltage regulation with Cat IVRimproves transient response performance. Controls provide auto paralleling AGC-4 controller, load sharing, VFDcontrol, and primary generator protection for greaterversatility, package utilization and monitoring.
Cooling
- ANSI/DN customer flange connections for JW inlet and outlet
- Engine driven water pumps for jacket water and aftercooler
- Jacket water and SCAC thermostats
- Standard cooling provides 40⁰C (104⁰F) ambient capability with 500mg/Nm3 NOx at 100% Continuous rating before derate, @ 500m
Containerized Module
- NSPS Factory Compilant, UL2200 Compilant and CSA / TSSA Sound attenuated 75 dB(A) @ 7 m (23 ft) Sound attenuated air intake louvers and lockable personnel doors with panic release LH and RH engine service doors integrated intocontainer side walls 3” ANSI flange customer fuel connection
Generator Controls And Protection
- Integrated crankcase ventilation system (CCV)and gas fuel train NFPA37 & CSAB149.3 with external fuel connections package utilization and monitoring.
Modes of Operation
- Provides for single unit stand-alone operation,island mode paralleling and load sharing withother power modules, and single unit-to-utilitymode paralleling for base load control
General
- Fire detection system
Lube Oil Make-Up System
- Integrated enclousre holding tanks: Oil makeup tank (50 gallon), Waste oil tank (300 gal / 2 oil changes), Fresh oil tank (500 gal / 2 oil changes + makeup) and oil level regulator. Low level annunciation
Circuit Breaker
- 5000A 3-Pole IEC Rated Circuit Breakers
- LSI Long-Time, Short-Time, Instantaneous Annunciator
- Rear-mounted
Exhaust
- Externally mounted exhaust system (muffler and heat exchanger)
- Dry exhaust manifolds, insulated and shielded
- Center section cooled turbocharger with Cat flanged outlet
- Individual exhaust port and turbocharger outlet wired to Integrated Tmeperature Sensing Module (ITSM) with GECM providing alarms and shutdowns
Fuel System
- Electronic fuel metering valve
- Throttle plate, 24V DC actuator, controlled by GECM
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
Ignition System
- Individual Cylinder Detonation Sensitive Timing (DST)
- Electronic Ignition System (controlled by ADEM A4)
Generator
- Double bearing SR5 1866 frame, brushless, form wound, 12-lead design, permanent magnet excited, three-phase, with Cat IVR, Class H insulation operating at Class F temperature. Stator and Bearing temperature monitoring and anti-condensation space heaters.
- SR4B
- Caterpillar's Digital Voltage Regulator (CDVR) with 3-phase sensing and KVAR/PF control
- Busbar connections
- Paint- Caterpillar Yellow except rails gloss black
- Winding temperature detectors
- Parts book
- RH Service
- Anti-condensation space heater
- SR5
- Operation and maintenance manuals
- Crankshaft Vibration Damper and Guard
- Reactive droop
Govrerning System
- ADEM A4 4-20mA (0-5VV) Speed Input
Air Inlet
- Mounting Brackets and Piping
- Air cleaner with precleaner
Circuit Breaker
- MP- Frame 6 Pole Bottom Cable Entry
- Frame Mounting
- 4000/5000A Neutral Current Transformer Automatic Selection
- No UV trip or package mounted CB Wiring
Control Panel
- Discrete I/O Module, 12 Digital Inputs, 8 'Form C' Relay
- Local PC Monitorring
- 16 Point/32 Light Annunciator, Shipped Loose
- Remote PC Monitorring
- Synchronizing module
- Remote annuciator
- Local alarm module
- Engine failure relay
- Cat Connect: Ehternet, Satellite, Cell Telematics
- Remote Communications Module (PL1000T, PL1000E)
Cooling
- Inlet/Outlet connections
- Coolant level drain line with valves, fan with guard
Exhaust
- Muffler and spark-arresting muffler with companion flanges
- Elbow
- Flange
- Flexible Fitting
- Exhaust Expander
- Oxidation catalyst
Fuel System
- Gas pressure regulator
- Gas Knockdown Regulator
- Fuel filter
- Gas shutoff valve 24V, ETR (Energized-To-Run)
Generator
- European bus bar
- Cable access box
- Manual voltage control
- Medium and high voltage generators and attachment
- Low voltage extension box
- Bearing temperature detectors
- Generator air filter
General
- Special paint order
- Tool set
- Digital diagnostic tool
- US AID Emblem
- Cold-weather bundle including enclosure heaters and ventilation recirculation
- Fire suppression system
- Interior DC lighting system with automatic shutoff timer
Starting/Charging
- 24V starting motors
- Jacket water heater
- Battery with cables and rack (shipped loose)
- 60A, 24V charging alternator (requires engine driven pumps)