Liebherr "Liduro" Energy Storage System

Liebherr's "Liduro" energy storage system is capable of accumulating and supplying 100 kW of power within 15 seconds, and will be introduced at bauma 2016.

liebherr energy storage unit liduro 300dpi 56c206ad5c996

Liebherr is presenting for the first time its in-house developed energy storage system "Liduro."

  • For electric drive systems
  • Utilizes double layer capacitor design
  • Compact and liquid cooled 
  • Contains 1.5 MJ of energy to accumulate and supply 100 kW of power within 15 seconds with a reaction time of 500 µs
  • Complete system comprises all of the individual systems and assemblies needed, thereby making integration in an application significantly easier while saving on time and material costs 
  • “Connect & use” system simplifies installation and operation so user only has to make arrangements for mechanical attachment and electrical wiring
  • Provides option of connecting as a purely two-pin device directly to a DC link of 530-850V
  • Able to accumulate defined amount of energy or supply it again by using an additional communication interface
  • Capable of exchanging all processing data via the communication interface
  • Up to 10 energy storage units can be connected in parallel to enable an increase in storage capacity
  • Connecting units in parallel enables more power to be supplied and excess energy remains in the system to be used for subsequent work, meaning that no additional supply is required
  • Testing on a mobile diesel-electric gantry crane has demonstrated fuel reduction of up to 40%, which equates to a savings of 700 L per week
  • Used accordingly, cost saving of up to €18,000 per year can be achieved
  • Enables use of smaller diesel engine which can be maintained at an optimized operating point, reducing emissions of harmful substances
  • Double layer capacitor design offers advantages over battery-type accumulators for applications associated with a high number of charging and discharging cycles, in which high load peaks temporarily occur and long service life is essential 



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