Bidirectional Charging Management – Field Trial and Measurement Concept for Assessment of Novel Charging Strategies

Presentation at the E-Mobility integration Symposium on 14 October 2019 in Dublin

The transition of the energy system to lower emissions and higher shares of renewables inevitably causes an increasing demand for flexibility in order to match generation and consumption. Electric cars can contribute to this flexibility, in particular if they allow  for bidirectional charging, which enables them for decentralized provision of battery storage.

A research project with several partners from all relevant fields (automotive industry, grid operators, research) is set up that aims to define use cases for the operation of these batteries, which e.g. include ancillary services or self-sufficiency. These use cases are implemented, tested and evaluated in a field trial with a couple of dozen cars, which allows assessing the charge management strategies, the interoperability of  developed solutions, the impact on electricity grids on different voltage levels and on the potential cost reduction for the end user as well as from a system perspective. Based on that, recommendations regarding integration of storage from electric vehicles in the energy system, specifically regarding necessary technological and regulatory development, are deduced.


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