Impact of Electric Vehicles and Photovoltaic and Wind Generators on Distribution Grid

  • afrooz ghavami Khorasan Institute of Higher Education
  • Mostafa Eidiani
Keywords: electric vehicles(Vehicle-to-Grid), Integration of wind and solar system, Reactive power

Abstract

Unreliability in continuous production poses challenges for deploying renewable sources in a real- time power delivery system. Output intermittency, and reliability issues can be potentially addressed by employing suitable combination of the two RE sources technologies (PV and WT) together with the use of an energy storage system, such as battery energy storage system (BESS), as a type of power balancing medium. Different storage options could address this unreliability issue, but they consume electrical energy and create significant costs and carbon emissions. An alternative is using electric vehicles and plug-in electric vehicles, with two-way power transfer capability (Grid-toVehicle and Vehicle-to-Grid), as temporary distributed energy storage devices. In this paper, first the benefits of two solar and wind resources is investigated by each other in a weak Low Voltage Distribution Grid and It is shown that these two resources together can eliminate the challenges of generating stochastic nature of renewable resources. Also, the behavior a weak power distribution grid at the Point of Common Coupling (PCC) in the presence of a photovoltaic generator, wind and electric vehicle has been analyzed. Finally, transient stability has been analyzed in different fault conditions. Simulative analysis is performed in the DIgSILENT PowerFactory software

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Published
2019-10-26
Section
Articles