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2016 | Buch

Introduction Kapitel lesen Erstes Kapitel lesen

Mobile Electric Vehicles

Online Charging and Discharging

verfasst von: Miao Wang, Ran Zhang, Xuemin (Sherman) Shen

Verlag: Springer International Publishing

Buchreihe : Wireless Networks

Enthalten in: Springer Professional "Wirtschaft+Technik" , Springer Professional "Technik" , Springer Professional "Wirtschaft"

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Über dieses Buch

This book examines recent research on designing online charging and discharging strategies for mobile electric vehicles (EVs) in smart grid. First, the architecture and applications are provided. Then, the authors review the existing works on charging and discharging strategy design for EVs. Critical challenges and research problems are identified. Promising solutions are proposed to accommodate the issues of high EV mobility, vehicle range anxiety, and power systems overload.

The authors investigate innovating charging and discharging potentials for mobile EVS based on real-time information collections (via VANETS and/or cellular networks) and offer the power system adjustable load management methods. Several innovative charging/discharging strategy designs to address the challenging issues in smart grid, i.e., overload avoidance and range anxiety for individual EVs, are presented. This book presents an alternative and promising way to release the pressure of the power grid caused by peak-time EV charging demand.

Mobile Electric Vehicles: Online Charging and Discharging provides valuable insights on charging/ discharging strategy design for mobile EVs and the power system management in a smart grid. The authors’ findings indicate that the proposed strategies considerably outperform the traditional EV charging strategies without real-time collections on the metrics of the overall energy utilizat

ion, the average EV travel cost and the number of successfully charged EVs. Research and graduate students who are working on smart grid and vehicular communication will find this book a valuable resource. Customs and systems operators will also find this book useful.

Inhaltsverzeichnis

Frontmatter
Chapter 1. Introduction
Abstract
The awareness, that significant global warming is being caused by vehicle emissions, is encouraging the transport sector to adopt plug-in electric vehicles (PEVs). As reported in [1, 2], PEVs, as a promising component of sustainable and eco-friendly transportation systems, have received considerable attention recently. The introduction of PEVs into the transport sector can reduce the consumption of conventional energy sources (e.g., gasoline) and the environmental pollution (e.g., greenhouse gas emissions). As reported from industry [1], battery powered EVs, which completely leverage rechargeable batteries and thus produce no emissions, can reduce the overall emissions from the transport sector by 70 %. As such, EVs are being accounted for higher market share in the transport sector. According to the report of Electric Power Research Institute (EPRI) [2], by the year 2020, 2030, and 2050, the EV penetration level can reach 35 %, 51 %, and 62 %, respectively.
Miao Wang, Ran Zhang, Xuemin (Sherman) Shen
Chapter 2. Charging/Discharging for EVs
Abstract
Several studies have demonstrated that the power system can be significantly impacted by the high penetration levels of PEV charging. Other the other hand, coordinated discharging contains tremendous benefits to the grid. In order to efficiently implement such design principles, many challenging issues exist which include PEV mobility modeling, transmission network selection, tradeoff balancing between the power system technical limitations and drivers’ preferences, and the business revenue modeling for V2G and V2V transactions.
Miao Wang, Ran Zhang, Xuemin (Sherman) Shen
Chapter 3. Mobility-Aware Coordinated EV Charging in VANET-Enhanced Smart Grid
Abstract
Coordinated charging can enable efficient charging for electric vehicles (EVs) to enhance the overall energy utilization while avoiding the overload of an electric power system. However, it is challenging to design an efficient coordinated charging strategy to guide the mobile EVs to fast-charging stations to achieve globally optimal energy utilization. In this chapter, we study a specific smart grid with enhanced communication capabilities, which is termed as a VANET-enhanced smart grid. Vehicular ad-hoc networks (VANETs) are leveraged therein to support real-time communications among highly mobile EVs and between EVs and road-side units (RSUs) for real-time vehicle mobility information collection and charging decisions dispatching. We then propose a mobility-aware coordinated charging strategy for EVs. The proposed strategy can not only improve the overall energy utilization while protecting the power system from overload, but also address the range anxieties of individual EVs via deliberately controlling the average travel cost. Specifically, we consider the travel cost incurred by mobility for an EV in two-fold: (1) the travel distance from the current EV location to the fast-charging station, and (2) the transmission delay for an EV to receive a charging decision through the VANETs.
Miao Wang, Ran Zhang, Xuemin (Sherman) Shen
Chapter 4. Coordinated V2V Fast Charging for Mobile GEVs Based on Price Control
Abstract
Vehicle-to-vehicle (V2V) charging strategies offer charging plans for gridable electric vehicles (GEVs), targeting at offloading the GEV charging loads from the electric power systems. However, designing an effective and efficient online V2V charging strategy with optimal energy utilization remains an open issue. In this chapter, a price control based semi-distributed online V2V charging strategy is put forward for an energy swapping station. Specifically, through electricity price control, GEVs are stimulated to participate in V2V energy transactions by offering high revenues for the discharging GEVs and low cost for the charging GEVs. The Oligopoly game theory and Lagrange duality optimization techniques are leveraged to solve the formulated optimal V2V charging problems. Simulation are conducted to demonstrate the performance of the proposed V2V charging strategy.
Miao Wang, Ran Zhang, Xuemin (Sherman) Shen
Chapter 5. Conclusions and Future Directions
Abstract
In this monograph, the EV mobility has been incorporated into the EV fast charging/discharging coordination framework, which is the most distinct feature of the vehicles. VANET-enhanced coordinated EV charging strategy has been developed to improve the overall energy utilization subject to the charging load capacity at charging stations and cut down the EV travel cost while preventing the power system from overloading. Specifically, a VANET-enhanced smart grid architecture with real-time vehicle information collection capabilities has been introduced to deliver the required messages among the vehicles and RSUs. Then, two EV charging strategies, i.e., the predictive mobility-aware coordinated EV charging strategy and V2V energy swapping strategy, have been proposed with the objective to maximize the overall charging-energy-minus-travel-cost with avoiding the power overloading problem. Extensive simulations have been performed to evaluate the travel cost introduced by the transmission delay of VANETs. The results have further demonstrated that the proposed EV fast-charging strategy surpass the existing strategy that does not consider the EV mobility and travel cost in the performance metrics such as the total EV charging power, the average EV travel cost and the success ratio for the involved charging EVs.
Miao Wang, Ran Zhang, Xuemin (Sherman) Shen
Metadaten
Titel
Mobile Electric Vehicles
verfasst von
Miao Wang
Ran Zhang
Xuemin (Sherman) Shen
Copyright-Jahr
2016
Electronic ISBN
978-3-319-25130-1
Print ISBN
978-3-319-25128-8
DOI
https://doi.org/10.1007/978-3-319-25130-1

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