World’s Largest Electric Vehicle Operation in Mines
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The eDumper, a gigantic dump truck, has been in operation at the La Tscharner quarry in Péry-La Heutte (Switzerland) since January 2018. It was converted from a diesel vehicle to the world’s largest electric vehicle in 18 months. Vigier commissioned Kuhn Schweiz und Lithium Storage to develop this dump truck together with research partners Bern University of Applied Sciences, NTB Interstate University of Applied Sciences Buchs, and Empa.
In the quarry, a laden conveyor belt traveling down into the valley generates electrical energy. Might it be possible to recapture the energy generated by a dumper laden at the top of the hill (and wasted until now) during the journey down into the valley and store this energy in a battery? For this to work, the vehicle would need to be electricity- powered and it would have to be possible to use the energy obtained with around 120 t and a difference in altitude of 180 m (only half its weight without any cargo) for the next ascent.
The authors thank the Swiss Federal Office of Energy (SFOE) for funding the eDumper project. The aim of the Swiss Energy Strategy 2050 and the corresponding action plan is to promote energy research. The core element is the establishment of eight national Swiss Competence Centers for Energy Research (SCCER). These should yield the necessary innovations for the sustainable realization of the energy strategy and ensure that the research results are transferred to the market. The Mobility SCCER was launched in 2014 with the aim of finding solutions to slash the energy consumption and CO2 emissions in the transport sector.
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