Komatsu_PC200-8_Hybrid

Komatsu PC200-8 Hybrid

Komatsu PC200-8 Hybrid

Model of hydraulic excavator

The Komatsu PC200-8 Hybrid is a hydraulic excavator manufactured by Komatsu Limited. It is the world's first hybrid (electro-hydraulic) powered construction equipment.[1] At the time of its launch it was found to consume 25% less fuel than comparable non-hybrid excavators and up to 40% less fuel while carrying out certain functions.[2] It was released on 1 June 2008. It has been made available in Japan, China[3] and North America.[4]

Hybrid system

The Komatsu PC200-8 Hybrid uses the Komatsu Hybrid System. The system uses an ultracapacitor bank to store energy generated by the swing movement of the upper structure of the excavator.[5] An electric slewing motor/generator produces electrical power (as a generator) when braking the upper structure, and stores the current in the ultracapacitor bank. The excavator then utilizes electricity discharged from the ultracapacitor bank to power a motor to assist the engine and feed the motor/generator for swing acceleration. At the time of its release, recorded fuel consumption was found to be reduced by as much as 41% when compared to comparable non-hybrid machines.[6] Construction Equipment magazine compared the HB215LC-1 hybrid excavator with a conventional model.[7]

References

  1. [1]
    "Komatsu press release". Archived from the original on 2008-12-23. Retrieved 2009-01-11.
  2. [2]
    "Komatsu Australia news article on launch". Archived from the original on 2008-11-21. Retrieved 2009-01-11.
  3. [3]
    "Excerpt from Komatsu's 'Fact Book 2010' report" (PDF). Archived from the original (PDF) on 2010-12-02. Retrieved 2010-08-03.
  4. [4]
    "Komatsu America press release". Archived from the original on 2010-08-24. Retrieved 2010-08-03.
  5. [5]
    Construction Equipment Article
  6. [6]
    "Komatsu.com press release". Archived from the original on 2008-12-23. Retrieved 2009-01-11.
  7. [7]
    Hybrid's fuel-sipping character

SAE International World's First Hybrid Excavator
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