Enhancing smart charging in electric vehicles by addressing paused and delayed charging problems
Nico Brinkel (Universiteit Utrecht)
Thijs van Wijk (ElaadNL)
Anoeska Buijze (Universiteit Utrecht)
Nanda Kishor Panda (TU Delft - Intelligent Electrical Power Grids)
Jelle Meersmans (Enervalis)
Peter Markotić (ElaadNL)
Bart van der Ree (Utrecht Sustainability Institute)
Henk Fidder (Stedin Group)
Simon Tindemans (TU Delft - Intelligent Electrical Power Grids)
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Abstract
Smart charging of electric vehicles can alleviate grid congestion and reduce charging costs. However, various electric vehicle models currently lack the technical capabilities to effectively implement smart charging since they cannot handle charging pauses or delays. These models enter sleep mode when charging is interrupted, preventing resumption afterwards. To avoid this, they should be continuously charged with their minimum charging power, even when a charging pause would be desirable, for instance with high electricity prices. This research examines this problem to inform various stakeholders, including policymakers and manufacturers, and stimulates the adoption of proactive measures that address this problem. Here, we demonstrate through technical charging tests that around one-third of tested car models suffer from this issue. Through model simulations we indicate that eliminating paused and delayed charging problems would double the smart charging potential for all applications. Lastly, we propose concrete legal and practical solutions to eliminate these problems.
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