Power quality in distribution networks with electric vehicle charging - a research methodology based on field tests and real data

Supponen, Antti; Rautiainen, Antti; Markkula, Joni; Mäkinen, Antti; Järventausta, Pertti; Repo, Sami

doi:10.1109/ever.2016.7476376

Cited by 24 publications

(13 citation statements)

References 5 publications

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“…In order to assess the load profile, some assumptions must to be made. Based on [36], it is assumed thatduring the first 60 s of the charging event the power is ramped up to the maximum value and after that, the power is constant until the end of the charging. If the charging time is long and/or the battery is near full state in the beginning of the charging process, the charging power starts to decrease when the state‐of‐charge (SOC) of the battery approaches full state.…”

Section: Methodsmentioning

confidence: 99%

Anatomy of electric vehicle fast charging: Peak shaving through a battery energy storage—A case study from Oslo

Rautiainen

Rauma

Rohde

et al. 2020

IET Electrical Syst in Trans

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The number of electric vehicle (EV) users is strongly increasing so that today roughly every second registered vehicle in Norway is an EV. To increase the EV utilization, politics, industry and the EV users strongly promote the integration of fast charging infrastructure. While the future demand of fast charging sites is a well‐studied topic, not much is known about the utilization of the existing charging sites and daily load curves. To fill this knowledge gap, usage data of a charging site in Oslo is analysed. Further on, the impact of a battery energy storage (BES) as well as a photovoltaic generator on peak load reduction is studied. The analysis shows variations and trends in the daily and weekly charging behaviour depending on the degree of utilization of the charging station. On average, a single EV user charges around 10 kWh in 19 min. Furthermore, the evidence indicates that EV users may have adapted fast charging as a part of their daily travels and it is not used only during long distance journeys. The results suggest that a BES can reduce the peak load by up to 55%. By adding a photovoltaic generator, a minor additional reduction of peak load is seen.

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Section: Methodsmentioning

confidence: 99%

Anatomy of electric vehicle fast charging: Peak shaving through a battery energy storage—A case study from Oslo

Rautiainen

Rauma

Rohde

et al. 2020

IET Electrical Syst in Trans

Self Cite

View full text Add to dashboard Cite

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“…Measurement of power quality issues needs more technical expertise in measuring parameters that decide the existence of power quality issues in distribution systems due to EV penetration. A series of field measurements is conducted to obtain the harmonic component in the current of the distribution network is observed [89].…”

Section: Power Electronics Devices Based Power Quality Issues and Mitigation Techniquesmentioning

confidence: 99%

A review on power quality issues in electric vehicle interfaced distribution system and mitigation techniques

Harish

Surendra²

2022

IJEECS

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Electric vehicles (EV) penetration in the distribution systems is evident and intended to grow day by day. Power quality issues pop up in the distribution system with an increase in EV penetration. Distribution networks need to consider the power quality issues developed due to the penetration of EVs for planning and designing the system. The power quality issues, including voltage imbalance, total harmonic distortion, distribution transformer failure, and related issues, are anticipated due to EV penetration in distribution systems. Detailed review of power quality issues and mitigation techniques are detailed in this paper. Discussion on the effect of these power quality issues on the distribution systems and corresponding mitigation measures are detailed. Power quality impact mitigation techniques have been discussed recently, which exploits the bidirectional power flow of vehicle to grid vehicle to grid (V2G) and grid to vehicle grid-to-vehicle (G2V). Methods and methodologies that mitigate power quality problems in the EV penetrated distribution system is discussed. Bidirectional power flow during EV charging and discharging and power quality issues in this topology is detailed in this review paper. A discussion on future trends and different possible future research paradigms is discussed as the review's conclusion.

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“…Realistic representation of EV charging demand is needed to accurately examine the effectiveness of innovative EM approaches. The studies in the literature are mainly based on either direct use of charging profile data collected from field demonstrations [17] or deterministic charging scenarios built on general assumptions [18]. However, these conventional methodologies have some drawbacks.…”

Section: A Literature Reviewmentioning

confidence: 99%

A Dual Distributed Optimal Energy Management Method for Distribution Grids With Electric Vehicles

Hoang

Özkan

Badr

et al. 2022

IEEE Trans. Intell. Transport. Syst.

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Future distribution grids are expected to face an increasing penetration of electric vehicles (EVs) and heterogeneous distributed energy resources (DERs). This demands a distributed energy management (EM) to manage power generation and delivery of energy sources to maintain power quality under the impact of EV charging, to save operating costs, and to enhance resiliency. However, the global optimality of the distributed EM's optimization problem is still an issue in existing work because of the non-convex nature of the optimization problem. In this paper, a distributed EM strategy for grid-connected distribution networks is proposed. In particular, the EM strategy is composed of two steps. In the first step, some conditions of the EM optimization task are relaxed to apply an algorithm converging to the global optimality. The results of the first step are used to reconfigure constraints of the full optimization problem in Step 2. The proposed scheme is validated by implementing the real-time controller-hardware-in-the-loop (CHIL) experimentation on the IEEE 33 bus system. To study the impact of EV charging, EV data is

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Power quality in distribution networks with electric vehicle charging - a research methodology based on field tests and real data

Cited by 24 publications

References 5 publications

Anatomy of electric vehicle fast charging: Peak shaving through a battery energy storage—A case study from Oslo

Anatomy of electric vehicle fast charging: Peak shaving through a battery energy storage—A case study from Oslo

A review on power quality issues in electric vehicle interfaced distribution system and mitigation techniques

A Dual Distributed Optimal Energy Management Method for Distribution Grids With Electric Vehicles

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