EV Senseless Orderly Charging Technology for High User Participation Rate in Residential Area
WORLD ELECTRIC VEHICLE JOURNAL(2022)
Abstract
Private cars are the most active and important incremental factor in the electric vehicle market and are expected to account for 80% of the new energy vehicle sales market by 2030. As the most common charging scenario for private cars, orderly charging in the community can optimize the distribution load curve by dynamically adjusting charging time and power of electric vehicles, so as to achieve peak-load shaving and turn electric vehicles into a friendly load to the distribution grid. However, after the traditional orderly charging strategy was released, the complexity of the operation on the user's side was a heavy strike to the user's willingness to participate in orderly charging, resulting in the quite low participation rate and insufficient demonstration of the characteristics of EV's elastic power demand. To solve this issue, the paper proposes a senseless orderly charging strategy with user charging demand prediction and substation capacity constraint considered to minimize user charging fee or maximize service provider revenue. After a five-month practical application, the proposed strategy was found to effectively improve the user participation rate in orderly charging and to regulate electric vehicles as an elastic load to meet the grid demand.
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Key words
electric vehicle, senseless orderly charging, charging demand prediction, practical application
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