Cat G3512H Combined Heat and Power (CHP) Solution

Maximum Continuous Rating	1490 ekW @ 1.0pf
Fuel Type	Natural Gas
Maximum Electrical Efficiency	42.50%
Frequency	60 Hz
RPM	1500
Frequency	60 Hz

Engine Model	G3512H
Displacement	3574 in³
Aspiration	TA
Bore	6.7 in
Stroke	8.5 in
Fuel System	Electronic Fuel Control Valve
Governor Type	ADEM™ A4
Compression Ratio	11.1

Length	716 in
Width	155 in
Height	467 in
Dry Weight - Genset	34700 lb
Weight	161600 lb

Engine

G3520H, V20, 4-stroke-cycle, gas engine. Operates on 31.5 to 47.2 MJ/NM3 dry pipeline natural gas. Turbocharged Separate Circuit Aftercooled.

Air Inlet

Three-element single-stage air cleaner with enclosure and 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)

Cat G3512H Combined Heat and Power (CHP) Solution

Generator Set Specifications

Engine Specifications

Generator Set Dimensions

Engine

Air Inlet

Control Panel

Cooling

Containerized Module

Generator Controls And Protection

Modes of Operation

General

Lube Oil Make-Up System

Circuit Breaker

Exhaust

Fuel System

Fuel system

Ignition System

Generator

Govrerning System

Air Inlet

Circuit Breaker

Control Panel

Cooling

Exhaust

Fuel System

Generator

General

Starting/Charging