Simulação probabilística de recarga de veículos elétricos em redes de distribuição de energia elétrica
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Data
2023-02-23
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Universidade Federal de Goiás
Resumo
In last years and in accordance with electric mobility policies, the introduction of electric vehicles has been stimulated as efficient and environmentally justifiable means of transport. Electricity distribution networks, in addition to serving conventional loads, will then need to organize themselves to serve these new loads that “move” along the network, bringing changes in normal operation. Thus, in this work, a probabilistic simulation based on the Monte Carlo simulation is proposed to analyze technical impacts of charging of electric vehicles in distribution networks. Within the simulation, random variables related to the charging time, the state of charge of the batteries (SOC) and the time of arrival of the vehicles at the charging stations are modeled in a probabilistic way, in order to obtain more realistically results from the system operation. Tests with electricity distribution networks known from the literature are carried out to identify the impact of probabilistic modeling on voltage profiles and energy losses in the network under study. From the results obtained, it is observed that depending on the number of EVs introduced in the network, the bars that support the charging of electric vehicles may have low voltage levels, acting in a critical service regime. In addition, the active energy losses of the entire network due to the penetration of electric vehicles can increase considerably when compared to the scenario without these vehicles.
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Palavras-chave
Carregamento de veículos elétricos, Potência de carregamento, Perfil de carga, Impactos técnicos da recarga de veículos elétricos na rede elétrica, Simulação de Monte Carlo, Electric vehicle charging, Charging power, Load profile, Technical impacts of recharging electric vehicles on the electricity grid, Monte Carlo simulation
Citação
SANTOS, Isaque Henrique Castro; DINIZ, Rafael Vieira. Simulação probabilística de recarga de
veículos elétricos em redes de distribuição de energia elétrica. 2023. 15 f. Trabalho de Conclusão de
Curso (Bacharelado em Engenharia Elétrica) - Escola de Engenharia Elétrica, Mecânica e de Computação, Universidade Federal de Goiás, Goiânia, 2023.