New CAT Equipment

Cat G3520H Combined Heat and Power (CHP) Solution

1763 - 2519 kW Gas Generator

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.

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    Benefits

    Up to 5% owning & operating cost savings

    Higher electrical efficiency paired with extended maintenance intervals increases uptime and reduces costs

    Up to 84% Package Combined Efficiency

    Combined facility soultion simultaneously providing 42.4% electricity efficiency for electrical loads and 42.3% 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 G3520H Combined Heat and Power (CHP) Solution

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    • Engine Specifications
      Aspiration
      TA
      Bore
      6.7 in
      Compression Ratio
      11.1
      Displacement
      5956 in³
      Engine Model
      G3520H
      Fuel System
      Electronic Fuel Control Valve
      Governor Type
      ADEM A4
      Stroke
      8.5 in
    • Generator Set Dimensions
      Dry Weight - Genset
      54675 lb
      Height
      97 in
      Length
      302 in
      Weight
      168000 lb
      Width
      86 in
    • Generator Set Specifications
      Continuous Rating
      2480 ekW @ 1.0pf
      Frequency
      60 Hz
      Fuel Type
      Natural Gas
      Maximum Electrical Efficiency
      42.40%
      RPM
      1500
    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
    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)