Cat G3512H Combined Heat and Power (CHP) Solution
At a Glance
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Continuous Rating
1490 ekW @ 1.0pf
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Fuel Type
Natural Gas
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Maximum Electrical Efficiency
42.50%
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Frequency
60 Hz
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Overview
Generator Set Specifications
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| Continuous Rating |
1490 ekW @ 1.0pf |
| Fuel Type |
Natural Gas |
| Maximum Electrical Efficiency |
42.50% |
| Frequency |
60 Hz |
| RPM |
1500 rpm |
| Frequency |
60 Hz |
Engine Specifications
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| Engine Model |
G3512H |
| Displacement |
3574in³ |
| Aspiration |
TA |
| Bore |
6.7in |
| Stroke |
8.5in |
| Fuel System |
Electronic Fuel Control Valve |
| Governor Type |
ADEM™ A4 |
| Compression Ratio |
11.1 |
Generator Set Dimensions
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| Length |
716in |
| Width |
155in |
| Height |
467in |
| Dry Weight - Genset |
34700lb |
| Weight |
161600lb |
Standard Equipment:
Engine
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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
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Package Mounted Air Cleaner with service indicator
Control Panel
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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
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ANSI/DN customer flange connections for JW inlet and outlet
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Engine driven water pumps for jacket water and aftercooler
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Jacket water and SCAC thermostats
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Standard cooling provides 40⁰C (104⁰F) ambient capability with 500mg/Nm3 NOx at 100% Continuous rating before derate, @ 500m
Containerized Module
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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
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Integrated crankcase ventilation system (CCV)and gas fuel train NFPA37 & CSAB149.3
with external fuel connections package utilization and monitoring.
Modes Of Operation
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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
Lube Oil Make-up System
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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
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5000A 3-Pole IEC Rated Circuit Breakers
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LSI Long-Time, Short-Time, Instantaneous Annunciator
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Rear-mounted
Exhaust
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Externally mounted exhaust system (muffler and heat exchanger)
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Dry exhaust manifolds, insulated and shielded
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Center section cooled turbocharger with Cat flanged outlet
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Individual exhaust port and turbocharger outlet wired to Integrated Tmeperature Sensing Module (ITSM) with GECM providing alarms and shutdowns
Fuel System
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Electronic fuel metering valve
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Throttle plate, 24V DC actuator, controlled by GECM
Fuel System
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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
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Individual Cylinder Detonation Sensitive Timing (DST)
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Electronic Ignition System (controlled by ADEM A4)
Generator
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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.
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SR4B
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Caterpillar's Digital Voltage Regulator (CDVR) with 3-phase sensing and KVAR/PF control
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Busbar connections
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Paint- Caterpillar Yellow except rails gloss black
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Winding temperature detectors
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Parts book
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RH Service
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Anti-condensation space heater
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SR5
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Operation and maintenance manuals
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Crankshaft Vibration Damper and Guard
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Reactive droop
Govrerning System
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ADEM A4 4-20mA (0-5VV) Speed Input
Optional Equipment:
Air Inlet
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Mounting Brackets and Piping
Air cleaner with precleaner
Circuit Breaker
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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
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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
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Inlet/Outlet connections
Coolant level drain line with valves, fan with guard
Exhaust
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Muffler and spark-arresting muffler with companion flanges
Elbow
Flange
Flexible Fitting
Exhaust Expander
Oxidation catalyst
Fuel System
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Gas pressure regulator
Gas Knockdown Regulator
Fuel filter
Gas shutoff valve 24V, ETR (Energized-To-Run)
Generator
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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
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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
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24V starting motors
Jacket water heater
Battery with cables and rack (shipped loose)
60A, 24V charging alternator (requires engine driven pumps)
