Energy Storage Sizing for
                  Plug-in Electric Vehicle Charging Stations

Bayram, İslam Şafak; Sims, Ryan; Corr, Edward; Galloway, Stuart; Burt, Graeme

doi:10.1201/9780367423926-6

Cited by 5 publications

(5 citation statements)

References 13 publications

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“…In (1), r reflects the rate of reaction, E a is the activation reaction energy, k is the Boltzmann constant, T is the ambient or operation temperature, which indicates that kT is the average kinetic energy, and finally, A is a battery specific constant determined by laboratory battery tests [72].…”

Section: Battery Degradationmentioning

confidence: 99%

“…Since off-board EVSEs are installed independently, there are no size and weight limitations. These chargers can be placed in public parking areas such as shopping malls, workplaces, and universities [72]. On-board charging systems are often utilised for slow charging, such as Level 1 and Level 2 on a single-phase grid supply, whereas off-board EV charging facilities are designed for rapid charging, such as Level 3 on a three-phase grid supply.…”

Section: Sources Of Harmonicsmentioning

confidence: 99%

See 1 more Smart Citation

Electric Vehicles Under Low Temperatures: A Review on Battery Performance, Charging Needs, and Power Grid Impacts

et al. 2023

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Electric vehicles (EVs) are gaining mainstream adoption as more countries introduce netzero carbon targets for the near future. Lithium-ion (Li-ion) batteries, the most commonly used energy storage technology in EVs, are temperature sensitive, and their performance degradates at low operating temperatures due to increased internal resistance. The existing literature on EV-power grid studies assumes that EVs are used under "perfect temperatures" (e.g. 21 Celsius) and temperature-related issues are ignored. In addition, most of the countries/regions with high EV penetration (e.g. Norway, Canada, northern parts of the US and China, etc.) experience harsh cold months, making it extremely critical to understand EV performance and consequently their impacts on the electrical power networks. In this paper, we present a systematic review of the literature that considers the combined investigation of Li-ion battery technology and power networks, with a focus on their operation under suboptimal weather conditions. More specifically, we review: (i) the impact of low temperatures on the electrochemical performance of EV batteries in parking, charging and driving modes, (ii) the challenges experienced by EVs during charging and associated performance degradation, and (iii) the additional impacts of EV charging on the power networks. Our analysis shows that there are serious research gaps in literature and industry applications, which may hinder mass EV adoption and cause delays in charging station roll-out.INDEX TERMS Electric vehicles, Li-ion battery, low temperatures, power grid impacts, power quality. Nomenclature

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Section: Battery Degradationmentioning

confidence: 99%

Section: Sources Of Harmonicsmentioning

confidence: 99%

Electric Vehicles Under Low Temperatures: A Review on Battery Performance, Charging Needs, and Power Grid Impacts

et al. 2023

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“…Para que el efecto de los VE en la red sea útil, es necesario agrupar suficientes VE de modo que la capacidad de almacenamiento conjunta sea significativa con respecto a la demanda en la red, idealmente ubicando los cargadores en los alrededores de los centros de consumo (Albendea, 2011). Esta relación puede escalarse hacia sistemas más pequeños, como edificios, casas, o inclusive otros VE cercanos, surgiendo así los conceptos de vehículo al edificio (vehicle-tobuilding) (Bayram et al, 2017), de vehículo a la casa (vehicle-to-home) (Chen et al 2020) y de vehículo a vehículo (vehicle-tovehicle) (Bayram et al, 2017), respectivamente.…”

Section: Efectos De Los Vehículos Eléctricos En Las Rde Y Estrategias...unclassified

Impacto de los vehículos eléctricos en condominios residenciales

Soto Zúñiga,

Alpízar Castillo

2023

revfide

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El número de vehículos eléctricos en Costa Rica ha aumentado constantemente en los últimos años. Si se toma en cuenta la capacidad adquisitiva, es probable que los dueños de los vehículos eléctricos vivan en condominios residenciales horizontales o verticales, los cuales tienen un único punto de conexión con la red de distribución eléctrica. Por este motivo, un aumento significativo de vehículos eléctricos en un condominio horizontal o vertical puede poner en riesgo la capacidad del circuito, especialmente el transformador y las protecciones. Este artículo estudia el impacto que puede tener la instalación de cargadores para vehículos eléctricos en un condominio. Además, se compararon diferentes estrategias de minimización del impacto técnico y para el usuario. Los resultados demuestran que el uso de energías renovables no es recomendable dadas las distribuciones de probabilidad de tiempo de carga de los vehículos eléctricos. En cambio, el uso de estrategias de gestión de la energía resulta la alternativa más atractiva.

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“…There is rich literature on electric vehicle grid integration studies that aim to quantify the impacts of EV demand at generation, transmission, and distribution levels [5]. At the generation level, the majority of the published studies aim to estimate the additional EV load on the power grid typically by using stochastic Monte Carlo methods.…”

Section: Introductionmentioning

confidence: 99%

Probabilistic Harmonic Impact Assessment of Multiple Electric Vehicle Fast Charging

Senol,

Bayram,

Galloway

2024

2024 IEEE Transportation Electrification Conference and Expo (ITEC)

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The fast-charging infrastructure for electric vehicles (EVs) is rapidly expanding to support increasing EV penetration levels. These fast-charging nodes serve large electrical loads through power converters, which could lead to power quality issues such as harmonic distortion. This paper proposes a Monte Carlo-based probabilistic methodology to assess the impacts of simultaneous fast charging on total harmonic distortion (THD) using real-world data. It also examines the THD of multiple EV charging instances against power quality industry standards. The inputs of the Monte Carlo simulation include the harmonic content of four EV charging data based on different state of charge (SoC) levels. The initial and final SoC levels are assumed to be random to mimic real-world operations. Moreover, two case studies are carried out by varying the number of vehicles charging simultaneously, ranging from 1 to 20. The vehicles undergo full charging in the former, whereas EVs are charged up to 80% SoC in the latter. For both cases, average THD and the probability of exceeding harmonic levels are calculated after one million iterations. The results indicate that allowing EVs to charge fully significantly increases harmonic content and limits the number of EVs that can be charged at the same time. On the other hand, limiting the maximum SoC level to 80% reduces the probability of exceeding the harmonic limits set by power quality standards.

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Energy Storage Sizing for Plug-in Electric Vehicle Charging Stations

Cited by 5 publications

References 13 publications

Electric Vehicles Under Low Temperatures: A Review on Battery Performance, Charging Needs, and Power Grid Impacts

Electric Vehicles Under Low Temperatures: A Review on Battery Performance, Charging Needs, and Power Grid Impacts

Impacto de los vehículos eléctricos en condominios residenciales

Probabilistic Harmonic Impact Assessment of Multiple Electric Vehicle Fast Charging

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