Solving the Multivariant EV Routing Problem Incorporating V2G and G2V Options

Abdulaal, Ahmed; Cintuglu, Mehmet H.; Asfour, Shihab; Mohammed, Osama A.

doi:10.1109/tte.2016.2614385

Cited by 83 publications

(39 citation statements)

References 56 publications

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“…Within the context of EV communications, V2G is one of the main elements for energy handling and communication within the smart grid, exchanging information for two-way electric power transmission/consumption [13]. Moreover, it supports multiple ancillary services, such as user ID, payment or security [14][15][16][17][18][19][20][21][22][23][24][25]. An overview of V2G related applications is presented in Table I.…”

Section: Introductionmentioning

confidence: 99%

Aggregator to Electric Vehicle LoRaWAN Based Communication Analysis in Vehicle-to-Grid Systems in Smart Cities

et al. 2020

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Recently, there has been growing attention to the power grid management due to the increasing concerns on global warming. With the advancement in electric vehicles (EV) industry and the evolution in batteries, EVs become an important contributor to the grid with capability of bidirectional power exchange with the grid. In this context, Vehicle-to-Grid (V2G) systems enable multiple functionalities between EVs and the corresponding aggregator. Thus, reliable, long-range communication capabilities between aggregator and EVs is compulsory. In this paper, wireless channel analysis for aggregator and electrical vehicle communication using Long-Range Wide Area Network (LoRaWAN) technology in V2G is presented, in order to test a low-cost solution with large coverage and reduced power consumption profile. Wireless channel and system-level measurements have been performed in a real urban scenario between EV's charging station in Pamplona (Spain) and a vehicle in motion using LoRaWAN 868 MHz devices. Wireless channel characterization is performed by implementing a full 3D urban scenario model, including elements such as buildings, vehicles, users and urban infrastructure such as lamp posts and benches. By means of in-house developed 3D Ray Launching algorithm with hybrid simulation capabilities, estimations of received power levels, signal to noise ratio and time domain parameters have been obtained, for the complete volume of the scenario under test in dense urban conditions. V2G end to end communication has been validated by implementing an intra-vehicle Controller Area Network-BUS (CAN BUS) data gathering system connected to the vehicle LoRaWAN transceiver and subsequently, to a cloud-based web service. The results show that the accurate deterministic based radio channel analysis enables to optimize the network design of LoRaWAN networks in a vehicular environment, considering inter-vehicular and infrastructure links, enabling scalable, low cost end to end data exchange for the deployment of ancillary V2G services.

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Section: Introductionmentioning

confidence: 99%

Aggregator to Electric Vehicle LoRaWAN Based Communication Analysis in Vehicle-to-Grid Systems in Smart Cities

et al. 2020

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“…Figure 1 shows a full-bridge bidirectional wireless power transfer EV charger system [9][10][11][12]. The system can transfer energy from the grid to the vehicle (G2V) as well as transfer energy from the vehicle to the grid (V2G) [12][13][14][15][16]. In this case the EV can be seen as an energy storage system that energy from the vehicle to the grid (V2G) [12][13][14][15][16].…”

Section: Introductionmentioning

confidence: 99%

“…The system can transfer energy from the grid to the vehicle (G2V) as well as transfer energy from the vehicle to the grid (V2G) [12][13][14][15][16]. In this case the EV can be seen as an energy storage system that energy from the vehicle to the grid (V2G) [12][13][14][15][16]. In this case the EV can be seen as an energy storage system that provides active power or reactive power to the grid whereas renewable energies such as solar energy or wind power are all in the power system.…”

Section: Introductionmentioning

confidence: 99%

A Novel Bidirectional Wireless Power Transfer System for Mobile Power Application

Liao

Lin

2019

Applied Sciences

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This paper presents a bidirectional wireless power transfer system for mobile power applications. A novel 2-switch bidirectional wireless power transfer system with dual-side control is proposed for mobile power applications. Although only two switches are adopted, the energy can be transferred from the transmitter side to the receiver side and vice versa. The term bidirectional means that the power-flow is bidirectional and also that the transmitter is also a receiver and the receiver is also a transmitter. The output energy can be easily controlled by the duty ratios of the two switches. Thus, the proposed bidirectional power transfer system uses only one circuit to achieve bidirectional power transfer. Hence, the system cost and volume can be reduced so that the system is small and convenient for mobile power systems, portable and/or wearable electronic devices. A prototype system is constructed and the experimental results verify the validity of the proposed bidirectional wireless power transfer system.

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“…Throughout recent decades, renewable energies and hydrogen energy for electric vehicles have been studied as alternative power source for the conventional internal combustion engines, and to improve environmental pollution by reducing carbon dioxide emitted to the air as environmental regulation is gradually tightened [1][2][3].…”

Section: Introductionmentioning

confidence: 99%

Improved Voltage Drop Compensation Method for Hybrid Fuel Cell Battery System

et al. 2018

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In this paper, a voltage drop compensation method for hybrid hydrogen fuel cell battery system, with a hydrogen recirculation powering a forklift, is studied. During recirculating hydrogen fuel to recycle hydrogen that has not reacted enough at the system, impurities can be mixed with the hydrogen fuel. This leads to low hydrogen concentration and a drop in the output voltage of the fuel cell system. In excessive voltage drop, the fuel cell system can be shutdown. This paper proposes a voltage drop compensation method using an electrical control algorithm to prevent system shutdown by reducing voltage drop. Technically, voltage drop is typically caused by three kinds of factors: (1) The amount of pure hydrogen supply; (2) the temperature of fuel cell stacks; and (3) the current density to catalysts of the fuel cell. The proposed compensation method detects voltage drop caused by those factors, and generates compensation signals for a controller of a DC–DC converter connecting to the output of the fuel cell stack; thus, the voltage drop is reduced by decreasing output current. At the time, insufficient output current to a load is supplied from the batteries. In this paper, voltage drop caused by the abovementioned three factors is analyzed, and the operating principle of the proposed compensation method is specified. To verify this operation and the feasibility of the proposed method, experiments are conducted by applying it to a 10 kW hybrid fuel cell battery system for a forklift.

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Solving the Multivariant EV Routing Problem Incorporating V2G and G2V Options

Cited by 83 publications

References 56 publications

Aggregator to Electric Vehicle LoRaWAN Based Communication Analysis in Vehicle-to-Grid Systems in Smart Cities

Aggregator to Electric Vehicle LoRaWAN Based Communication Analysis in Vehicle-to-Grid Systems in Smart Cities

A Novel Bidirectional Wireless Power Transfer System for Mobile Power Application

Improved Voltage Drop Compensation Method for Hybrid Fuel Cell Battery System

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