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Open AccessArticle

A Framework for Determining a Prediction-Of-Use Tariff Aimed at Coordinating Aggregators of Plug-In Electric Vehicles

1
Instituto de Energía Eléctrica, Universidad Nacional de San Juan-CONICET, Avenida Libertador General San Martín 1109, San Juan 5400, Argentina
2
Advanced Power and Energy Center, Electrical Engineering and Computer Science Department, Khalifa University, Abu Dhabi 127788, UAE
3
Universidad Nacional de Colombia, Cra 45, Bogotá 111321, Colombia
*
Author to whom correspondence should be addressed.
Energies 2019, 12(23), 4487; https://doi.org/10.3390/en12234487
Received: 20 October 2019 / Revised: 15 November 2019 / Accepted: 21 November 2019 / Published: 25 November 2019
(This article belongs to the Special Issue Impact of Electric Vehicles on the Power System)
The objective of this article is to propose a framework for defining a day-ahead prediction-of-use tariff (POU) that promotes aggregators of the plug-in electric vehicles (PEVs) to operate as closely as possible to an optimal charging curve previously calculated by the distribution system operator (DSO). The DSO calculates this optimal charging curve to flatten the load curve of the distribution transformers as much as possible by coordinating the daily recharging of PEVs. The objective is to establish the optimal power profile of the PEV aggregators needed to flatten the power curve supplied by the transformer, so that PEV customers’ needs can be met throughout the day. The proposed framework is applied in a case study accounting for uncertainties associated with charging through Monte Carlo simulation, in order to find the POU tariff. The results demonstrate that applying the POU tariff determines the transformer’s minimum power limit necessary to meet all PEV users’ needs. Additionally, the day-ahead POU tariff does not generate new demand peaks, since it does not concentrate the energy supply of flexible loads in pre-established time bands. Finally, simulation reflects the significant effect of the PEV charging on the distribution system in terms of enhancing the voltage profile, maximizing the transformer life, and reducing the power/energy losses. View Full-Text
Keywords: plug-in electric vehicle; prediction-of-use tariff; charging coordination; valley filling; aggregator; power transformers plug-in electric vehicle; prediction-of-use tariff; charging coordination; valley filling; aggregator; power transformers
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MDPI and ACS Style

Coria, G.E.; Sanchez, A.M.; Al-Sumaiti, A.S.; Rattá, G.A.; Rivera, S.R.; Romero, A.A. A Framework for Determining a Prediction-Of-Use Tariff Aimed at Coordinating Aggregators of Plug-In Electric Vehicles. Energies 2019, 12, 4487.

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