Keynote: Microgrid Technologies for Future Electric Vehicle Charging Stations

Activity: Talks and presentationsTalks and presentations in private or public companies


In the context of the Smart Grid concept, enhancement of power flexibility in end consumption is considered as the main prerequisite for the large-scale acceptance of renewable energy. Fleets of plug-in hybrid electric vehicles (pHEV) chargers represent a specific group of consumers with an outstanding potential in that sense. In the past, due to relatively small number of pHEVs on the roads and still incomplete definitions of new rules in future electricity markets, the feasible business case in this regard was not recognized. However, with strong political incentives that stimulate increase in the number of HEVs and an establishment of new electricity trading markets (they will come into force in just a few months in Scandinavian countries), flexible charging concept is not only becoming a cost-effective alternative to conventional charging, but a necessity. This lecture will present how to combine DC and AC microgrid technologies to conceive new EV charging stations, providing ancillary services by using hierarchical and multilevel control strategies, and multiple electrical configurations with the help of standard-based communication technology, resulting in a set of complete solutions. Next electrical charging stations may be regulated by using a hierarchical control structure split in two levels: local and central controllers with the objective to: locally and globally optimize the performance of each charging point and the whole station, in order to provide satisfactory power quality, efficiency and demand response feature. Further, communication networks are needed in order to coordinate elements and a charging station central controller can be used to acquire main system variables and to optimize the operation. The proposed solutions will provide ancillary services to the main grid and/or to the charging station aggregator, with functionalities such as: low voltage ride through, power system stabilizer, virtual inertia, voltage stability, and power quality enhancement by using proper control of the power electronics interfaces and the integration of advanced metering infrastructure (AMI) and available communication technologies will be considered as well.

Josep M. Guerrero received the B.S. degree in telecommunications engineering, the M.S. degree in electronics engineering, and the Ph.D. degree in power electronics from the Technical University of Catalonia, Barcelona, Spain, in 1997, 2000, and 2003, respectively. He is a Full Professor at the Department of Energy Technology, Aalborg University, Denmark, where he is the responsible for the Microgrid Research Programme. He is a Visiting Professor at Chinese Academy of Sciences and Nanjing Aeronautics and Astronautics University, China, and Aalborg University, Aalborg, Denmark. His research interests include power electronics converters for distributed generation and distributed energy storage systems, control and management of microgrids and islanded minigrids, and photovoltaic and wind power plants control. Prof. Guerrero is an Associate Editor for the IEEE TRANSACTIONS ON POWER ELECTRONICS, IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS, and IEEE INDUSTRIAL ELECTRONICS MAGAZINE. He is an Editor for IEEE TRANSACTIONS on SMART GRID. He was the Chair of the Renewable Energy Systems Technical Committee of IEEE Industrial Electronics Society (IES) and was an elected IEEE IES Adcom member.
Period16 May 2014
Event titleIEEE International Energy Conference
Event typeConference
LocationDubrovnik, CroatiaShow on map