Experimental Validation of a Three-Port Integrated Topology to Interface Electric Vehicles and Renewables With the Electrical Grid

Monteiro, Vítor; Pinto, J. G.; Afonso, João L.

doi:10.1109/tii.2018.2818174

Cited by 111 publications

(40 citation statements)

References 39 publications

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“…In [15] is proposed an optimal EV fast charging infrastructure, where the EVs are connected to a DC-Bus, employing an individual control for the charging process in order to optimize the power transfer from the AC PG to the DC-Bus. Other studies propose the integration of renewables connected to DC FCS [16], [17].…”

Section: Eai Endorsed Transactions On Energy Webmentioning

confidence: 99%

Power Electronics Converters for an Electric Vehicle Fast Charging Station with Energy Storage System and Renewable Energy Sources

Pinto¹,

Monteiro²,

Exposto³

et al. 2020

EAI Endorsed Transactions on Energy Web

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Fast Charging Stations (FCS) are a key element for the wide spreading of Electric Vehicles (EVs), by reducing the charging time to a range between 20 to 40 minutes. However, the integration of FCS causes some adverse impacts on the Power Grid (PG), namely the huge increase in the peak demand during short periods of time. This paper addresses the design of power electronics converters for an EV DC FCS with local storage capability and easy interface of renewables. In the proposed architecture, the energy storage capability is used to smooth the peak power demand and contributes to stabilize the PG. When integrated in a smart grid, the proposed architecture may even return some of the stored energy back to the PG. The accomplishment of the aforementioned objectives requires a set of different power electronics converters, described and discussed along the paper. In order to demonstrate the potentialities of the proposed EV DC FCS architecture, four different case studies were analysed.

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Section: Eai Endorsed Transactions On Energy Webmentioning

confidence: 99%

Power Electronics Converters for an Electric Vehicle Fast Charging Station with Energy Storage System and Renewable Energy Sources

Pinto¹,

Monteiro²,

Exposto³

et al. 2020

EAI Endorsed Transactions on Energy Web

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“…The vanishing of the error e 1 clearly ensures the UPF in grid-side. Combining (4) and (6), the first control law μ 1 is obtained…”

Section: Bidirectional Ac-dc Power Converter Controller Designmentioning

confidence: 99%

“…Regarding topologies, single-phase chargers [1][2][3][4][5][6] as well as three-phase chargers [6,7] are used. Concerning the control techniques, several approaches are used such as classical PI controller [1][2][3][4][5][6][7], linear quadratic (LQ) optimal control technique [8], and fuzzy logic controller [7]. Furthermore, the chargers that integrate reactive power compensation are also dealt with in many works [1,2,[5][6][7].…”

Section: Introductionmentioning

confidence: 99%

Nonlinear output feedback control of V2G single‐phase on‐board BEV charger

Rachid

Fadil

Giri

et al. 2019

Asian Journal of Control

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In this work, we consider the problem of controlling a single‐phase on‐board battery electric vehicle (BEV) charger with vehicle‐to‐grid (V2G) technology. The BEV charger consists of a bidirectional ac‐dc power converter connected to the single‐phase power grid, followed by a bidirectional dc‐dc power converter interfacing an EV battery pack. The main control objectives are fourfold: (i) Unitary Power Factor (UPF) in grid‐side; (ii) tight dc‐bus voltage regulation; (iii) safety battery charge and battery discharge during the grid‐to‐vehicle (G2V) mode and V2G mode, respectively; and (iv) asymptotic stability of the closed loop system. After an accurate system modelling, a nonlinear controller is designed using a backstepping design technique. The point is that the battery inner voltage is not accessible to measurement. Therefore, a nonlinear observer is invoked in order to estimate all non‐measured variables making the solution cheaper and noiseless. It is shown using a formal analysis and numerical simulations, that the proposed output feedback controller (combining a nonlinear controller and a nonlinear observer) meets all control objectives.

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“…A cost minimization for reducing the effect of intermittency in a solar docking charging station with EVs is proposed in [29]. An innovative integrated topology for RES and EVs is proposed and experimentally validated in [30]. A harmonized scheduling of distributed energy assets, optimizing the energy management of a smart home is offered in [31].…”

Section: Introductionmentioning

confidence: 99%

Vehicle Electrification: New Challenges and Opportunities for Smart Grids

et al. 2018

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Nowadays, concerns about climate change have contributed significantly to changing the paradigm in the urban transportation sector towards vehicle electrification, where purely electric or hybrid vehicles are increasingly a new reality, supported by all major automotive brands. Nevertheless, new challenges are imposed on the current electrical power grids in terms of a synergistic, progressive, dynamic and stable integration of electric mobility. Besides the traditional unidirectional charging, more and more, the adoption of a bidirectional interconnection is expected to be a reality. In addition, whenever the vehicle is plugged-in, the on-board power electronics can also be used for other purposes, such as in the event of a power failure, regardless if the vehicle is in charging mode or not. Other new opportunities, from the electrical grid point of view, are even more relevant in the context of off-board power electronics systems, which can be enhanced with new features as, for example, compensation of power quality problems or interface with renewable energy sources. In this sense, this paper aims to present, in a comprehensive way, the new challenges and opportunities that smart grids are facing, including the new technologies in the vehicle electrification, towards a sustainable future. A theoretical analysis is also presented and supported by experimental validation based on developed laboratory prototypes.

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Experimental Validation of a Three-Port Integrated Topology to Interface Electric Vehicles and Renewables With the Electrical Grid

Cited by 111 publications

References 39 publications

Power Electronics Converters for an Electric Vehicle Fast Charging Station with Energy Storage System and Renewable Energy Sources

Power Electronics Converters for an Electric Vehicle Fast Charging Station with Energy Storage System and Renewable Energy Sources

Nonlinear output feedback control of V2G single‐phase on‐board BEV charger

Vehicle Electrification: New Challenges and Opportunities for Smart Grids

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