Wireless charging of electric buses to be put to real world test in Germany
February 25, 2013
Regional German transport operator Rhein-Neckar-Verkehr GmbH (RNV) is set to carry out a pilot project to test the viability of wireless inductive charging technology of electric buses. The trial will see two electric buses fitted with Canadian transportation manufacturer Bombardier's PRIMOVE inductive charging technology, which will enable them to be recharged wirelessly as they let passengers on and off at bus stops along the inner city route 63 in Mannheim, Germany.
Inductive charging technology sees the wireless transmission of energy taking place between components embedded under the road surface and receivers mounted under the vehicles. The proponents of the technology say it eliminates the need for lengthy overnight plug-ins and lets vehicles be outfitted with lighter and smaller batteries, while allowing them to operate for longer periods.
With support from the Karlsruhe Institute of Technology, the PRIMOVE Mannheim project will help determine how this type of technology fares on a busy route, thereby giving researchers real world data to improve infrastructure, batteries and the daily operation of a system based on magnetic induction. Public transport companies will also be able to assess the competitiveness and acceptance of the technology by the public.
Germany’s Federal Ministry of Transport, Building and Urban Development is providing €3.3 million (US$4.35 million) to fund the project, which is due to begin in the second quarter of 2014, initially running for a year. Before the year-long trial run in Germany, Bombardier will test PRIMOVE in Montreal's winter conditions, but not on an actual route.
While the wireless charging pilot in Germany will be tested in the context of public transport, similar solutions to charge private cars wirelessly are being developed elsewhere. These include Evatran’s Plugless Power and the Effizienzhaus-Plus mit Elektromobilität project, which has been running in Berlin for almost a year.
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