Cat G3520H Combined Heat and Power (CHP) Solution

Product Description

The CHP2500 is an enclosure standardized for natural gas-fueled Cat® G3520H engines rated 2.5 MW, with generator rated for 4160V for combined heat and power (CHP) applications. In CHP applications, Cat gas generator sets simultaneously provide electricity for electrical loads and heat energy for a facility’s thermal requirements. Caterpillar will offer customers complete CHP solutions eliminating the need to outsource additional engineering or project management.

Generator Set Specifications

Continuous Rating
2480 ekW @ 1.0pf
Fuel Type
Natural Gas
Maximum Electrical Efficiency
42.40%
Frequency
60 Hz
RPM
1500
Frequency
60 Hz

Engine Specifications

Engine Model
G3520H
Displacement
5956in³
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

Length
302in
Width
86in
Height
97in
Dry Weight - Genset
54675lb
Weight
168000lb

Standard Equipment

  • 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.
  • 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.
  • Air Inlet
    • Three-element single-stage air cleaner with enclosure and service indicator
  • Cooling
    • Jacket water and SCAC thermostats
    • ANSI/DN customer flange connections for JW inlet and outlet
    • Engine driven water pumps for jacket water and aftercooler
    • 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
  • 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
  • General
    • Fire detection system
  • 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.
    • Caterpillar's Digital Voltage Regulator (CDVR) with 3-phase sensing and KVAR/PF control
    • SR4B
    • Reactive droop
    • Busbar connections
    • RH Service
    • Operation and maintenance manuals
    • SR5
    • Crankshaft Vibration Damper and Guard
    • Parts book
    • Winding temperature detectors
    • Paint- Caterpillar Yellow except rails gloss black
    • Anti-condensation space heater
  • Govrerning System
    • ADEM A4 4-20mA (0-5VV) Speed Input

Optional Equipment

  • Air Inlet
    • Mounting Brackets and Piping
    • Air cleaner with precleaner
  • Circuit Breaker
    • MP- Frame 6 Pole Bottom Cable Entry
    • No UV trip or package mounted CB Wiring
    • 4000/5000A Neutral Current Transformer Automatic Selection
    • Frame Mounting
  • Control Panel
    • Local alarm module
    • Remote Communications Module (PL1000T, PL1000E)
    • 16 Point/32 Light Annunciator, Shipped Loose
    • Remote PC Monitorring
    • Cat Connect: Ehternet, Satellite, Cell Telematics
    • Local PC Monitorring
    • Remote annuciator
    • Engine failure relay
    • Discrete I/O Module, 12 Digital Inputs, 8 'Form C' Relay
    • Synchronizing module
  • Cooling
    • Coolant level drain line with valves, fan with guard
    • Inlet/Outlet connections
  • Exhaust
    • Flange
    • Flexible Fitting
    • Exhaust Expander
    • Muffler and spark-arresting muffler with companion flanges
    • Elbow
    • Oxidation catalyst
  • Fuel System
    • Gas shutoff valve 24V, ETR (Energized-To-Run)
    • Fuel filter
    • Gas Knockdown Regulator
    • Gas pressure regulator
  • Generator
    • Generator air filter
    • Medium and high voltage generators and attachment
    • European bus bar
    • Low voltage extension box
    • Bearing temperature detectors
    • Cable access box
    • Manual voltage control
  • General
    • US AID Emblem
    • Digital diagnostic tool
    • Special paint order
    • Tool set
    • 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
    • Battery with cables and rack (shipped loose)
    • Jacket water heater
    • 60A, 24V charging alternator (requires engine driven pumps)