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Cat G3520H Combined Heat and Power (CHP) Solution

CALCULATE FINANCE

Cat® G3520H Humidity Fuel Tolerant Gas Engine

  • Robust high speed block design provides prolonged life and lower owning operationg costs
  • Designed for maximum performance on low pressure pipeline natural gas
  • Simple open chamber combustion system for reliability and fuel flexibility
  • Leading edge technology in ignition system and air/fuel ratio control for lower emission and engine efficiency
  • One electronic control module handles all engine functions: ignition, governing, air/fuel ratio control and engine protection

CHP Ready

Extensive range of rental ready features to meet job requirements and applications.

Single-Source Supplier

Generator set manufactured in ISO 9001:2000 compliant facility.
Package factory designed and production tested.

Cat® electronic control system

  • Simple user friendly interface and navigation
  • Digital monitoring, metering and protection setting
  • Fully-featured power metering and protective relaying
  • Remote control and monitor capability options

EMCP 4.3 Control Panel

  • User-friendly interface and navigation
  • Scalable system to meet a wide range of installation requirement
  • Expansion modules and site-specific programming for specific customer requirements

Cat Generator

Cat SR5 generator designed to match the performance and output characteristics of the Cat Gas engine.
Class H insulation operating at Class F temperature rise for extended life.
System 4 insulation protection and anti-condensation space heaters.
Integrated Automatic Voltage Regulation (Cat IVR) provides enhanced system monitoring.

Fuel/Emissions Strategy

Meets most worldwide emissions requirements down to 500 mg/Nm3 NOx level without after treatment.Optional: Oxidation catalyst available

Sound Attenuated Container

Meets 75 dB(A) at 7 meters. Weather Proof enclosure, NSPS factory compliant, UL2200 compliant, and CSA/TSSA. Service and Personnel doors. Separate electrical control room. Internal and External emergency stop buttons at convenient locations.

Proven System

  • Field proven in a wide range of applications worldwide
  • Fully prototype tested
  • Certified torsional vibration analysis available

Reduced Environmental Impact

110% spill containment of onboard engine fluids.
Positive crankcase fumes ventilation.

Full Range of Attachments

  • Wide range of bolt-on system expansion attachments
  • Factory designed and tested
  • Flexible packaging options for easy and cost effective installation

Worldwide Product Support

Cat® dealers provide extensive post sale support including maintenance and repair agreements.
Supported 100% by the Cat dealer with warranty on parts and labor.

Cooling System

Provides 40⁰C (104⁰F) ambient capability with 500 mg/Nm3 NOx (1g/hp-hr) at 100% continuous rating before derate @ 500m. Variable frequency drive fan controls improve partial load fuel consumption. Energy efficient electric drive fan.

Generator Set Specifications
Maximum Continuous Rating 2480 ekW @ 1.0pf
Fuel Type Natural Gas
Maximum Electrical Efficiency 42.40%
Frequency 60 Hz
RPM 1500
Engine Specifications
Engine Model G3520H
Displacement 97.5 l (5956 inu00b3)
Aspiration TA
Bore 170 mm (6.7 in)
Stroke 215 mm (8.5 in)
Fuel System Electronic Fuel Control Valve
Governor Type ADEM™ A4
Generator Set Dimensions
Length 7668 mm (302 in)
Width 2173 mm (86 in)
Height 2473 mm (97 in)
Dry Weight - Genset 25285 kg (54675 lb)
Engine Specifications
Compression Ratio 11.1
Generator Set Specifications
Frequency 60 Hz

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)

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