Concurrent Provision of Frequency Regulation and Overvoltage Support by Electric Vehicles in a Real Danish Low Voltage Network

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Expected deployment of electric vehicles (EVs) introduces big technical challenges for power system operation, but also offers advantages provided that EVs are not considered merely as passive loads. With the development of Vehicle-to-Grid technology, EVs will be able to provide a number of ancillary services for grid support, e.g. implemented electronic equipment will allow them to exchange reactive power with the grid for voltage regulation while using active power for other services. This paper investigates the concurrent provision of local and system wide services from EVs in a real Danish low voltage network with high penetration of photovoltaic installations (PVs). The main focus is potential reactive power support when EV provision of frequency regulation coincides with PV production. Furthermore, the paper evaluates benefits of overvoltage support and addresses the issue of increased loading. The analysed network has been modelled in Matlab SimPowerSystems and is based on real hourly metered data from a Danish MV/LV substation with numerous households
Original languageEnglish
Title of host publicationProceedings of IEEE International Electric Vehicle Conference 2014
Number of pages7
Publication date2014
ISBN (Print)9781479960750
Publication statusPublished - 2014
Event2014 IEEE International Electric Vehicle Conference - Florence, Italy
Duration: 17 Dec 201419 Dec 2014


Conference2014 IEEE International Electric Vehicle Conference


  • Distribution network
  • Electric vehicle
  • Frequency regulation
  • Photovoltaic
  • Power system modelling
  • Reactive power control
  • Voltage support

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