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New Topologies of Voltage Source Converters and Current Source Converters for Integration of Fast EV Charging Stations within Smart Grids

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A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "E: Electric Vehicles".

Deadline for manuscript submissions: closed (1 March 2023) | Viewed by 14849

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Dr. Marek Adamowicz

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Department of Electrical Drive Automation and Energy Conversion, Faculty of Electrical and Control Engineering, Gdansk University of Technology, Gabriela Narutowicza Str. 11/12, 80-233 Gdańsk, Poland.
Interests: smart grid; power electronics; electrical engineering; power systems analysis; power systems simulation; power converters; inverters; renewable energy technologies; electric vehicles, photovoltaic (PV) systems; impedance-source converters; power electronic transformers
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Prof. Dr. Marek Jasinski

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Faculty of Electrical Engineering, Warsaw University of Technology, plac Politechniki 1, 00-661 Warszawa, Poland
Interests: industrial electronics; power electronics; electromobility; renewable energy; power quality and grid

Prof. Dr. Kouzou Abdellah

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Faculty of Science and Technology, University of Djelfa, Algeria
Interests: intelligent remote sensors in industrial and agriculture applications; remote control in hybrid systems based on renewable energy sources
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

We are inviting submissions for a Special Issue of Energies on the subject area of "New topologies of voltage source converters and current source converters for integration of fast EV charging stations within smart grids". Over the past few years, the integration of the fast EV charging stations have been increased rapidly in the low-voltage (LV) distribution networks. The desired features of power electronic converters interfacing fast EV charging stations to LV grids include: being compact, reliable, and efficient, having a fast transient response, low-device stress, low-voltage distortion, being stable, characterizing reliable power transfer with low noise and reduced electromagnetic interference (EMI). This Special Issue will focus on voltage source converters and current source converters for integration of fast EV charging stations within smart grids. Topics of interest for publication include, but are not limited to:

- wide bandgap (WBG) semiconductor voltage source and current source converters for integration of fast EV charging stations within smart grids,

- power electronic voltage regulators (PEVR) for LV and MV grids with a high penetration of fast EV charging stations,

- modulation strategies and EMC design for mitigation of common mode (CM) currents/electromagnetic interference (EMI) of power electronic converters interfacing fast EV charging stations with LV and MV grids,

- cooperation of fast EV charging stations with renewable energy sources and energy storages.

Dr. Marek Adamowicz
Prof. Dr. Marek Jasinski
Prof. Dr. Kouzou Abdellah
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Energies is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

fast EV charging stations
smart grids
voltage source converters
current source converters
wide bandgap semiconductors
electromagnetuc interference (EMI).

Published Papers (5 papers)

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Research

15 pages, 12739 KiB

Open AccessArticle

Generalized Average Modeling of a Dual Active Bridge DC-DC Converter with Triple-Phase-Shift Modulation

by Michał Rolak, Maciej Twardy and Cezary Soból

Energies 2022, 15(16), 6092; https://doi.org/10.3390/en15166092 - 22 Aug 2022

Cited by 4 | Viewed by 2308

Abstract

This paper shows an elaboration of an equivalent electrical circuit of a Dual Active Bridge (DAB) and its application as a versatile tool for steady-states analysis in wide range of operating conditions. This work analyses the converter which is controlled with a coherently defined Triple Phase-Shift (TPS) modulation which allows appropriate switching functions to be written, thus enabling the circuit’s state-space equations to be derived. Due to this approach, a Fourier series expansion may be easily applied to utilize Generalized Averaged Modeling (GAM)—a convenient method for modeling resonant and quasi-resonant power converters. Moreover, this paper shows the utilization of the GAM model higher harmonics’ complex magnitudes to calculate the steady-state power characteristics for bidirectional operation; additionally, a method for a particular state variable waveform signal reconstruction is presented. All the discussed model properites are validated with a 1.5 kW 100 kHz SiC-based DAB prototype. Full article

(This article belongs to the Special Issue New Topologies of Voltage Source Converters and Current Source Converters for Integration of Fast EV Charging Stations within Smart Grids)

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25 pages, 8112 KiB

Open AccessArticle

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

by Sami M. Alshareef

Energies 2022, 15(5), 1746; https://doi.org/10.3390/en15051746 - 26 Feb 2022

Cited by 8 | Viewed by 1886

Abstract

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. Full article

(This article belongs to the Special Issue New Topologies of Voltage Source Converters and Current Source Converters for Integration of Fast EV Charging Stations within Smart Grids)

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17 pages, 2198 KiB

Open AccessArticle

Evaluation of Modular Power Converter Integrated with 5G Network

by Sebastian Baba, Serafin Bachman, Marek Jasinski and Hong Li

Energies 2021, 14(21), 7355; https://doi.org/10.3390/en14217355 - 05 Nov 2021

Cited by 1 | Viewed by 2329

Abstract

This paper focuses on two key technical concepts, which may have a tremendous impact on future generations of power electronic converters: the Power Electronic Building Block (PEBB) concept, and the 5G/6G wireless data transfer. It is expected that these two trends may induce development of new cognitive of power electronic converters: Power Electronics 4.0. To investigate this concept, a Proof of Concept (PoC) of PEBB-based power converter integrated with a 5G network, was designed and tested. Study confirmed that power converter assembled from PEBB modules can compete with state-of-the-art devices. Moreover, test results indicates that several challenges related to PEBB and integration of power electronic equipment with 5G network has to be resolved, to enable growth of augmented power electronic converters, especially if wireless data transfer is meant for communication between PEBB modules. Full article

(This article belongs to the Special Issue New Topologies of Voltage Source Converters and Current Source Converters for Integration of Fast EV Charging Stations within Smart Grids)

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24 pages, 11981 KiB

Open AccessArticle

Analysis of AC/DC/DC Converter Modules for Direct Current Fast-Charging Applications

by Szymon Piasecki, Jaroslaw Zaleski, Marek Jasinski, Serafin Bachman and Marek Turzyński

Energies 2021, 14(19), 6369; https://doi.org/10.3390/en14196369 - 05 Oct 2021

Cited by 19 | Viewed by 3948

Abstract

The paper is a comprehensive laboratory comparison study of two galvanic isolated solution off-board battery chargers: (1) Si-based cost-effective case, and (2) SiC-bidirectional ready for vehicle to grid concept case. All circuits are modular, and in both cases the DC/DC converter can be replaced according to the end user requirements (the coupled transformer remains the same and is constructed based on 12xC100 cores to avoid additional choke). In the case of single active bridge, an active RCD snubber is proposed to protect against overvoltage above 1kV in the DC_2 circuit. The dual active bridge is equipped with soft-star modulation using a zero vector to reduce in-rush current in case of no-load operation, while the AC/DC grid connected converter remains bidirectional to assure the highest power quality at the point of common coupling. All tests were made with real second-used batteries, which improves environmental, economic and technical feasibility of such systems for prosumers. The total efficiency of both AC/DC/DC converters (>97% in SiC and >94% in Si versions) was investigated in the same laboratory conditions. Full article

(This article belongs to the Special Issue New Topologies of Voltage Source Converters and Current Source Converters for Integration of Fast EV Charging Stations within Smart Grids)

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16 pages, 12370 KiB

Open AccessArticle

A Novel Three-Phase Current Source Rectifier Based on an Asymmetrical Structure to Reduce Stress on Semiconductor Devices

by Wang Hu, Yunxiang Xie, Zhiping Wang and Zhi Zhang

Energies 2020, 13(13), 3331; https://doi.org/10.3390/en13133331 - 30 Jun 2020

Cited by 1 | Viewed by 2908

Abstract

This paper presents a novel three-phase current source rectifier (CSR) for AC/DC step-down voltage conversion to reduce voltage and current stress. The proposed converter features an asymmetrical connection between upper and lower arms compared with conventional CSRs, but has the same number of devices. With the proposed asymmetrical structure and modified space vector pulse width modulation (SVPWM) scheme, half of transistors only need to withstand half of the line-to-line voltage rather than the full line-to-line voltage, and its DC link current can be shared by multiple switches in freewheeling periods. Therefore, it is able to bring about a significant reduction in voltage and current stress, allowing for an improvement in the converter without additional cost. The topological structure, operation principles, and comparative analysis are specifically presented. Finally, an experimental prototype is built up to verify the performance of the proposed converter. Full article

(This article belongs to the Special Issue New Topologies of Voltage Source Converters and Current Source Converters for Integration of Fast EV Charging Stations within Smart Grids)

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