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Impact of Large Fleets of Plug-in-Electric Vehicles on Transmission Systems Expansion Planning

This paper presents a novel formulation for the Transmission Expansion Planning (TEP) that considers the impact of large fleets of plug-in-electric vehicles (PEVs). The approach follows the recent trends in power systems, which has been gradually changing mainly through the introduction of Distributed Energy Resources, turning conventional planning tools inadequate. Furthermore, as the use of PEVs to smooth load patterns is a major concern nowadays, they are modeled as sources in peak periods and as loads in off-peak periods. Besides, in this research we conducted sensitivity studies for several levels of PEVs penetration in order to get insight regarding the number of vehicles that have a meaningful impact on the transmission expansion planning. The paper includes a Case Study using IEEE 24 bus for a 10-year period solved by the Evolutionary Particle Swarm Optimization. The developed model preserves the true behavior of the grid through an AC Optimal Power Flow.

Author(s):

Phillipe Gomes    
INESC TEC
Portugal

Joao Saraiva    
INESC TEC
Portugal

Mario Coelho    
Universidade do Porto
Portugal

Bruno Dias    
Universidade Federal de Juiz de Fora
Brazil

Leonardo Willer    
Universidade Federal de Juiz de Fora
Brazil

Antonio Candia    
Universidade Federal de Juiz de Fora
Brazil

 

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