A Comprehensive review on electric vehicles charging infrastructures and their impacts on power-quality of the utility grid

Khalid, Mohd Rizwan; Alam, Mohammad Saad; Sarwar, Adil; Asghar, M. S. Jamil

doi:10.1016/j.etran.2019.100006

Cited by 242 publications

(111 citation statements)

References 28 publications

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“…One of the suggested solutions is to design new topologies of the EV chargers (device level). Another idea is the use of passive filters or active power filters which are able to cancel harmonics (power system level) (Guoliang et al, 2013;Khalid et al, 2019;Martínez-Lao et al, 2017). For maintaining the demand supply balance and reducing the losses in the power system, a smart metering method has also been proposed (Galus and Andersson, 2008;Masoum et al, 2010).…”

Section: Power Conditioning Solutionsmentioning

confidence: 99%

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Electromobility – the Importance of Power Quality and Environmental Sustainability

Chudy¹,

Mazurek²

2019

J. Ecol. Eng.

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Electric vehicles (EVs) play a significant role in a gradual shift towards low-carbon society. However, the impact of electromobility on a power system includes different power quality problems that need to be mitigated. Power Quality Analyzer SONEL PQM-700 was used for the measurement and analysis of the power quality parameters during slow charging (at ~11A, ~8,3 A and ~5,5 A) of a BMW i3 electric vehicle. The read-out mode of the device was considered. The state of EV charge was 30%. The measurements focused on the values of supply voltage, drawn current, harmonics, values of active, reactive and apparent power. In this study, type 2 connector was used to charge the EV. The power quality parameters during the BMW i3 charging were within limits, not a single parameter was exceeded. Additionally, the current state of electric vehicle charging methods and EV charging infrastructure was described and power conditioning solutions were presented.

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Section: Power Conditioning Solutionsmentioning

confidence: 99%

“…(approximately 16% of the total CO 2 emitted by human). It worsens the air quality and wreaks havoc on the human health (Khalid et al, 2019).…”

Section: Introductionmentioning

confidence: 99%

Electromobility – the Importance of Power Quality and Environmental Sustainability

Chudy¹,

Mazurek²

2019

J. Ecol. Eng.

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“…Charging infrastructure is expected to increase with the increasing number of EVs, resulting in huge electricity demand. Moreover, power quality issues related to grid connections and integration with these newly added nonlinear loads and high-frequency switching converters are expected to arise [3,4]. Hence, the demand for different types of renewable-energy-based EV charging stations is growing in many countries [5].…”

Section: Introductionmentioning

confidence: 99%

“…Fast-charging technology is key to increasing the expansion of EV adoption, because it removes one of the barriers that have stopped many consumers from purchasing their first EVs. However, establishing fast-charging points not only requires a parallel increase in the power supply from the utility companies but also induces significant adverse impacts on the grid and degrades its power quality [4,14]. Hardman et al reviewed the consumer preferences for EV charging infrastructure, including the fast-charging technology and its impact on the electricity grid [15].…”

Section: Introductionmentioning

confidence: 99%

Wind-Energy-Powered Electric Vehicle Charging Stations: Resource Availability Data Analysis

et al. 2020

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The integration of large-scale wind farms and large-scale charging stations for electric vehicles (EVs) into electricity grids necessitates energy storage support for both technologies. Matching the variability of the energy generation of wind farms with the demand variability of the EVs could potentially minimize the size and need for expensive energy storage technologies required to stabilize the grid. This paper investigates the feasibility of using the wind as a direct energy source to power EV charging stations. An interval-based approach corresponding to the time slot taken for EV charging is introduced for wind energy conversion and analyzed using different constraints and criteria, including the wind speed averaging time interval, various turbines manufacturers, and standard high-resolution wind speed datasets. A quasi-continuous wind turbine’s output energy is performed using a piecewise recursive approach to measure the EV charging effectiveness. Wind turbine analysis using two years of wind speed data shows that the application of direct wind-to-EV is able to provide sufficient constant power to supply the large-scale charging stations. The results presented in this paper confirm that the potential of direct powering of EV charging stations by wind has merits and that research in this direction is worth pursuing.

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“…The charging strategies play a significant role in reducing grid pressure and are determined by the battery SOC . Transformers thermal overloading and voltage unbalancing issues between supply and demand are some of the power quality problems generated by inclusion of fast charging stations and high frequency convertors in distribution system . The impact of uncoordinated and coordinated charging control strategy with real time pricing in a distribution network is analyzed in Bitencourt et al In order to evaluate increase in load factor and peak shaving, an optimal algorithm is proposed for charging and discharging of the EV with least electricity cost in Bitencourt et al Factors influencing the development of charging infrastructure with corresponding expert solutions to increase EV adoption for electrified transportation are proposed in Zhang et al and Palomino and Parvania .…”

Section: Introductionmentioning

confidence: 99%

A heuristically optimized comprehensive charging scheme for large‐scale EV integration

Abbas

Feng

Habib

et al. 2019

Int Trans Electr Energ Syst

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Summary The expectation of large‐scale electric vehicles (EVs) charging and discharging load could bring security and reliability challenges to the power system. As a smart load, EV requires an intelligently designed scheduling and pricing algorithm that takes into account the stochastic EVs user behavior, grid charging capacity, battery characteristics, and real‐time electricity price variations. In this paper, a multi‐objective comprehensive stand‐alone solution is proposed considering the time‐of‐use (TOU) price to intelligently regulate EVs charging/discharging activities. The proposed alternative heuristic charging strategy optimally configures solution indices and provide a tradeoff between considered evaluation parameters, thus mitigating the effect of uncontrolled charging introduced by stochastic EV charge/discharge activities. The objective is to shift the peak hours load to nonpeak hours with reduction in average‐to‐peak ratio, charging cost minimization and maximize the availability of charging capacity for pledging the traveling plan determined by EV users. Different EVs penetration are tested to validate the performance of the proposed solution under massive EV integration, with a driving pattern obtained from the Beijing National Travel Survey.

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A Comprehensive review on electric vehicles charging infrastructures and their impacts on power-quality of the utility grid

Cited by 242 publications

References 28 publications

Electromobility – the Importance of Power Quality and Environmental Sustainability

Electromobility – the Importance of Power Quality and Environmental Sustainability

Wind-Energy-Powered Electric Vehicle Charging Stations: Resource Availability Data Analysis

A heuristically optimized comprehensive charging scheme for large‐scale EV integration

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