VEHICLE-TO-GRID ANCILLARY SERVICES USING INTELLIGENT GREEN ELECTRIC VEHICLE CHARGING INFRASTRUCTURE IN SMARTGRID

Visal Raveendran, Sankara W. Shanthisree, Kanaran Swathy, Manjula G. Nair, and Carlos Alvarez-Bel

Keywords

Plug-in electric vehicles (PEV), ancillary services, EV aggregators,energy storage systems, regulation services, solar power generation

Abstract

Excessive use of fossil fuels to meet the transportation demand all over the world has resulted in both its depletion and emissions that are out of control. Sustainable ways to replace the fuel used for powering vehicles have led to intense research in the area of plug-in electric vehicles (PEVs). Powering PEVs with renewable energy results in cleaner and greener transportation. PEVs, when parked for charging, can undertake vehicle-to-grid (V2G) ancillary services to support the electrical grid stabilization. This requires intelligent control techniques and proper communication in the smartgrid environment. Given this background, this paper proffers a V2G-enabled, green, level-3 DC and fast PEV charging facility (EVCF). The EVCF is capable of utilizing solar energy, providing V2G services through EV Aggregator Service Providers (ASP) and fast charging the PEVs using the bidirectional converter control technique in conjunction with the smart charging algorithm. The system, when simulated in MATLAB/SIMULINK environment, demonstrated the potential of PEVs in grid stabilization. The integration of solar photo-voltaic (PV) to the EVCF helped renewable energy integration as well. With high penetration of PEVs, the PEV charging can be coordinated to minimize charging impact on the electrical distribution grid.

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