Caterpillar Industrial Diesel Generators

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Caterpillar is the world’s largest manufacturer of high-speed diesel generator sets and engines, offering the largest range of specifications available.

Caterpillar-Industrial-Diesel-GeneratorsCat® Diesel Generator Set Features:

  • Ratings from 13kW to 17,460kW
  • Powered by Cat® engines
  • Wide range of factory-designed options
  • Easy to specify, permit, install and test
  • World-class fuel efficiency and low life-cycle costs
  • Excellent transient response and steady state performance
  • Emissions compliance with most worldwide regulations
  • Single source and turnkey support from the Cat® Dealer network

 

Features & Benefits

FEATURES BENEFITS
Reliable Engine Electronics
  • The electronics used in Cat® Tier 4 Interim engines are more powerful and robust than ever.
  • Increased feature and connection commonality improve the customer experience and increase quality and reliability.
  • Sealed-over-foam wiring harness adds to reliability –even in the most demanding applications.
Next Generation Fuel System As a key component of Cat Tier 4 Interim technology, injection timing precisely controls the fuel injection process through a series of carefully timed microbursts. This injection timing provides more control of combustion for the most efficient fuel burn. To maximize customer value, Cat engineers specified fuel systems based on the power and performance demands for each engine.
Innovative Air Management Cat Tier 4 Interim air management is accomplished through simplified turbocharging solutions. A range of turbocharging solutions, including smart waste-gate and series units, optimizes performance for each model of generator set.
NOx Reduction Systems
  • Utilized on engines < 900 bkW, the Cat NRS is a compact “on-engine” system is designed to reduce NOx by up to 50% while minimizing overall installation size.
  • The Cat NRS captures and cools a small quantity of exhaust gas and sends it back into the combustion chamber where it drives down combustion temperatures and reduces NOx emissions.
  • The result of more than a decade of Caterpillar engineering research into this technology, the Cat NRS is designed to be the most reliable system of its type.
Clean Emissions Module – Particulate Reduction
  • Designed to withstand the most severe applications and conditions, the CEM is a modular after-treatment concept that allows a common core design to be utilized in a wide variety of Cat equipment.
  • Cat generator set customers thus benefit from a cost-optimized, tailored solution that is fully mounted and integrated into the generator set.
  • Depending on the engine model, the CEM may include a diesel oxidation catalyst (DOC) and a diesel particulate filter (DPF) in a stainless steel canister, the regeneration system, mounting and support structure, air cleaner, muffler, sensors and other related components.
Regeneration System
  • This active, high-temperature regeneration system is incorporated in the CEM design for engines rated 130-560 bkW.
  • As soot builds up in the DPF, a combination of models and sensors indicate when regeneration is needed. The electronic control unit (ECU) then searches for the optimum time to initiate the CRS event, such as periods of steady load or speed–providing a flexible and transparent solution in all operating conditions.
  • The CRS safely elevates exhaust gas temperatures to promote oxidation and burn off soot in the DPF. It allows fast and accurate control of regeneration independent of engine exhaust temperatures.
Clean Emissions Module – Selective Catalytic Reduction
  • In generator set applications, engines greater than 900 bkW must conform with stringent NOx emission limits, which necessitate the use of an SCR system. This larger CEM consists of integrated PM and NOx after-treatment.
  • Using a DOC for PM and HC control, as well as an SCR system with air-assist diesel exhaust fluid (DEF) injection, the CEM also features an Ammonia Oxidation Catalyst (AMOX), integrated sound attenuation and an insulated exterior to reduce heat radiation in engine room installations.
  • A dosing control module is connected to the SCR module to provide closed-loop control of the NOx reduction process by monitoring NOx sensors before and after the SCR catalysts and controlling the injection of appropriate amounts of DEF to achieve the desired reduction.

 

Learn more about Caterpillar Industrial Generator (contact PTS for additional specification sheets for other power requirements):

To learn more about PTS Data Center Solutions available to support your Data Center Electrical Equipment & Systems needs, contact us or visit:

 

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