Komatsu PC200-8 Hybrid explained

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

SAE InternationalWorld's First Hybrid Excavator

External links

Notes and References

  1. Web site: Komatsu press release . 2009-01-11 . 2008-12-23 . https://web.archive.org/web/20081223185047/http://www.komatsu.com/CompanyInfo/press/2008051315113604588.html . dead .
  2. Web site: Komatsu Australia news article on launch . 2009-01-11 . https://web.archive.org/web/20081121032513/http://www.komatsu.com.au/komatsuworld/news/articles/Pages/KOMATSULAUNCHESWORLD%E2%80%99SFIRSTHYBRIDEXCAVATOR.aspx . 2008-11-21 . dead .
  3. Web site: Excerpt from Komatsu's 'Fact Book 2010' report . 2010-08-03 . 2010-12-02 . https://web.archive.org/web/20101202175951/http://www.komatsu.com/CompanyInfo/profile/factbook/pdf/e15.pdf . dead .
  4. Web site: Komatsu America press release . 2010-08-03 . 2010-08-24 . https://web.archive.org/web/20100824201614/http://www.komatsuamerica.com/110509-hybrid-excavator . dead .
  5. http://www.constructionequipment.com/article/CA6586768.html Construction Equipment Article
  6. Web site: Komatsu.com press release . 2009-01-11 . 2008-12-23 . https://web.archive.org/web/20081223185047/http://www.komatsu.com/CompanyInfo/press/2008051315113604588.html . dead .
  7. http://www.constructionequipment.com/2011/testing-reveals-komatsu-hybrid’s-fuel-sipping-character Hybrid's fuel-sipping character

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