Cited by 652Advanced DC-DC ConvertersWireless Power Transfer SystemsElectric Vehicles and Infrastructure

Global Trends in High-Power On-Board Chargers for Electric Vehicles

Khaligh, Alireza, D'Antonio, Michael·2019·IEEE Transactions on Vehicular Technology

Abstract

This paper provides a comprehensive review and analyses on the state-of-the-art and future trends for high-power conductive on-board chargers (OBCs) for electric vehicles. To provide a global context, a summary of global charging standards and electric vehicle (EV) related trends are presented, which demonstrates momentum toward the OBCs with higher power rating. High-power OBCs are either unidirectional or bidirectional, and they have either an integrated or non-integrated system architecture. Non-integrated high-power OBCs are studied both from industry and academia, and the former are used to illustrate the current state of the art. The latter are classified on the basis of the converter design approach, studied for their principle of operation, and compared over power density, weight, efficiency, and other metrics. In addition to non-integrated OBCs, recent advancements in propulsion-machine integrated OBC solutions are also presented. Other integrated OBC techniques, such as system integration with the EV's auxiliary power module and wireless charging systems, are also discussed. Finally, future charging strategies and functionalities in charging infrastructures are addressed, and global OBC trends are summarized.

Integrity signals

Registry

Crossref · 10.1109/tvt.2019.2897050

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88 of 88 references verified0 citation errors · 0 not checkable

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  • In [62], many cutting-edge chargers were excluded because only OBCs with ratings of ≥7.6 kW were taken into consideration; 6.6 kW chargers were not included.

    “Many cutting-edge chargers were excluded in this study since only OBCs with ratings of ≥7.6 kW were taken into consideration; e.g., 6.6 kW chargers, which are very much in-demand in industrial areas as well as in academia, were not included.”
  • Because electric vehicles can supply energy back to the grid, there is a need for a stricter and more clearly defined set of standards.

    “As a result of the fact that EVs can supply energy back to the grid, i.e., EVs can be treated as energy sources, there is a need for a stricter and more clearly defined set of standards [62].”

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Authors
Khaligh, A., & D'Antonio, M.
Affiliations
University of Maryland, College Park (US)
Venue
IEEE Transactions on Vehicular Technology
Published
2019-04
Volume
68
Issue
4
Pages
3306-3324
ISSN
  • 0018-9545 (ISSN-L)
  • 1939-9359
OpenAlex
W2913256734
Cited by
652
References
88
Citations by year
2026: 47 · 2025: 125 · 2024: 121 · 2023: 118 · 2022: 86 · 2021: 75 · 2020: 59 · 2019: 21
FWCI
21.66
Type
journal article
Language
en
Open access
closed
Locations
IEEE Transactions on Vehicular Technology (publishedVersion)
Funders
National Science Foundation (1602012, 1507546)
Topics
  • Physical Sciences › Engineering › Electrical and Electronic Engineering › Advanced DC-DC Converters
  • Physical Sciences › Engineering › Electrical and Electronic Engineering › Wireless Power Transfer Systems
  • Physical Sciences › Engineering › Electrical and Electronic Engineering › Electric Vehicles and Infrastructure
Keywords
on-board charger, electric vehicles, high-power DC-DC converter, bidirectional charger, integrated power system, wireless charging, charging standards, power density, charging infrastructure, auxiliary power module

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