Design of Optimal Incentives for Smart Charging Considering Utility-Customer Interactions and Distribution Systems Impact

Humayd, Abdullah S. Bin; Bhattacharya, Kankar

doi:10.1109/tsg.2017.2771508

Cited by 19 publications

(7 citation statements)

References 25 publications

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“…The subject of smart charging has been addressed in recently published key works and from different aspects, the aim of which includes minimizing: the system peak [5]; the imported energy by the local operator [6]; the local distribution company's operational costs [7]; the total feeder losses [8]; and the waiting time in queue at the charging station [9]. The node type of the charging station (fast or slow) is a PQ-bus.…”

Section: Related Workmentioning

confidence: 99%

“…The rate of charging in each charging power is defined by the FCS operator/investor and can be changed within the day according to different variables such as on-/off-peak hours and the local level of produced renewable energy. Unlike smart charging in the previous work [6][7][8][9][10][11][12]14], customers can select the charging power in the proposed smart charging method according to their value of time and cost. At the time of arrival at the FCS, if time is the most important consideration for a customer, the premium charging power can be selected.…”

Section: Related Workmentioning

confidence: 99%

“…where 𝒩 𝐵𝑃𝐸𝑉 is the number of EVs in the system, 𝑥 𝑝𝑒𝑛 is the share of EVs with respect to the total number of vehicles in the system, 10-50%, 𝑛 ℎ𝑜𝑢𝑠𝑒 is the number of residential houses in the system, and 𝑛 𝑐𝑎𝑟 is the number of vehicles per house. Unlike smart charging in the previous work [6][7][8][9][10][11][12]14], customers can select the charging power in the proposed smart charging method according to their value of time and cost. At the time of arrival at the FCS, if time is the most important consideration for a customer, the premium charging power can be selected.…”

Section: Number Of Bpevsmentioning

confidence: 99%

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A Novel Smart Charging Method to Mitigate Voltage Fluctuation at Fast Charging Stations

Alshareef¹

2022

Energies

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The research presented in this paper focuses on the impact of fast charging stations (FCSs) on voltage quality. When the operation of FCSs causes a voltage fluctuation and light flicker, the FCSs may be disconnected, as per the utility general standard practice, which results in financial loss represented by FCS downtime. FCS downtime can be avoided by mitigating voltage fluctuation and light flicker. Flicker mitigation devices that are available in the market are characterized by their high total annual equivalent costs. As an alternative, a novel smart charging method is proposed in this study in order to mitigate both voltage fluctuation and light flicker, whereby customers can select one of three charging services available in fast chargers: premium, regular, or economic charging power. The charging power is selected according to customer priority in relation to time and cost, which offers more flexibility than those currently available in the literature. For instance, the premium power can be selected if the time is more valuable to the customer at the time of arrival at the FCS; in contrast, the regular or economic power are utilized if the cost is more valuable than the time. The results reveal that when an FCS charges a vehicle by an uncontrolled charging method, the FCS violates the flicker tolerance especially when demand for its service is increased by 20% and beyond. In contrast, the flicker limit is not violated when vehicles are charged from an FCS as per the proposed smart charging approach, even when the penetration on the FCS is increased by 50%. The proposed smart charging method offers a compromise solution to satisfy several stakeholders with different interests. Thus, the system operator equipment, FCS investors, nearby customers, and owners of electric vehicles will not be impacted by integrating the FCSs into the distribution networks.

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Section: Related Workmentioning

confidence: 99%

Section: Related Workmentioning

confidence: 99%

Section: Number Of Bpevsmentioning

confidence: 99%

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A Novel Smart Charging Method to Mitigate Voltage Fluctuation at Fast Charging Stations

Alshareef¹

2022

Energies

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“…While multiple strategies may be required, time-variant rates are almost certainly the cheapest way to accomplish this aim [5]. By motivating EV owners to charge their vehicles when power supply exceeds demand, dynamic pricing can improve system load shape and capacity utilization, reduce consumer costs, and cut pollution [6][7][8]. Particularly in states that have deployed smart meters, implementing that simple policy option can make EVs a substantial source of system benefit, even for those who don't drive or own an EV [9].…”

Section: Introductionmentioning

confidence: 99%

Charge for Less: An Analysis of Hourly Electricity Pricing for Electric Vehicles

Zethmayr¹,

Kolata²

2019

WEVJ

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By motivating Electric Vehicle (EV) owners to charge their vehicles when power supply exceeds demand, dynamic pricing can improve system load shape and capacity utilization, reduce consumer costs, and cut pollution. We compare what perfectly rational EV drivers would pay to charge their vehicle on ComEd's hourly pricing program with costs associated with the utility's flat-rate energy price. We find that ComEd's hourly pricing program would have saved EV owners significantly over its flat-rate tariff in both 2016 and 2017, with cost reductions from 52 percent to 59 percent. Using price signals to manage charging is almost certainly one of the best (and cheapest) strategies to implement in order to achieve the traditional regulatory goals of a safe, reliable, and affordable service while advancing system efficiency, enhancing environmental sustainability, and facilitating the integration of distributed energy resources.

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“…This generates zero emissions while driving, and electricity production causes its only footprint. However, a massive introduction to the grid could create negative impacts [5][6][7][8], and create new challenges for the power systems [9,10]. In particular, a massive introduction of EVs in distribution networks that have a high penetration of renewable electricity generation is even more complicated because of some issues, such as impacts on the performance of parking lot operators [11], power systems security [12], and planning of RES Sources [13].…”

Section: Introductionmentioning

confidence: 99%

Electric Vehicle Charging Strategy for Isolated Systems with High Penetration of Renewable Generation

2018

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Inhabited islands depend primarily on fossil fuels for electricity generation and they also present frequently a vehicle fleet, which result in a significant environmental problem. To address this, several governments are investing in the integration of Renewable Energy Sources (RESs) and Electric Vehicles (EVs), but the combined integration of them creates challenges to the operation of these isolated grid systems. Thus, the aim of this paper is to propose an Electric Vehicle charging strategy considering high penetration of RES. The methodology proposes taxing CO2 emissions based on high pricing when the electricity is mostly generated by fossil fuels, and low pricing when there is a RES power excess. The Smart charging methodology for EV optimizes the total costs. Nine scenarios with different installed capacity of solar and wind power generation are evaluated and compared to cases of uncoordinated charging. The methodology was simulated in the Galapagos Islands, which is an archipelago of Ecuador, and recognized by the United Nations Educational, Scientific and Cultural Organization (UNESCO) as both aWorld Heritage site and a biosphere reserve. Simulations results demonstrate that the EV aggregator could reduce costs: 7.9% for a case of 5 MW installed capacity (wind and PV each), and 7% for a case of 10 MW installed (wind and PV each). Moreover, the use of excess of RES power for EV charging will considerably reduce CO2 emissions

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Design of Optimal Incentives for Smart Charging Considering Utility-Customer Interactions and Distribution Systems Impact

Cited by 19 publications

References 25 publications

A Novel Smart Charging Method to Mitigate Voltage Fluctuation at Fast Charging Stations

A Novel Smart Charging Method to Mitigate Voltage Fluctuation at Fast Charging Stations

Charge for Less: An Analysis of Hourly Electricity Pricing for Electric Vehicles

Electric Vehicle Charging Strategy for Isolated Systems with High Penetration of Renewable Generation

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