review · Journal of Modern Power Systems and Clean Energy
Electric vehicles rely heavily on battery energy, replenished through slow alternating current or fast direct current charging, and can serve as mobile storage through vehicle-to-grid systems. Power electronic converters play a foundational role in managing these energy flows. A comprehensive evaluation of converter technologies outlines their classifications, configurations, control strategies, power quality impacts, and future research directions across direct current and alternating current conversions. Traditional direct current converters face technical limitations, including switching losses, bulky dimensions, and high electromagnetic interference. To overcome these barriers in high-voltage setups, systems increasingly incorporate resonant converters and multiport converters. Additionally, power-train converters are undergoing targeted modifications to deliver higher efficiency and improved operational reliability in electric vehicle applications and charging stations.
Widespread electric vehicle adoption depends directly on efficient, reliable charging infrastructure and grid integration. Assessing converter configurations helps address fundamental hardware bottlenecks, such as energy loss and electrical interference. This knowledge supports the transition towards faster, more compact chargers and enables electric fleets to stabilise power networks via vehicle-to-grid capabilities.
This work informs the engineering of electric vehicle powertrains, high-voltage fast chargers, and vehicle-to-grid infrastructure. Target users include automotive manufacturers, charging station developers, and power electronics designers. Because the work reviews existing state-of-the-art topologies alongside emerging configurations such as resonant and multiport converters, the underlying technologies sit at varying stages, ranging from applied and commercially deployed systems to developing hardware approaches.
AI-generated from the published abstract. Always read the original work before citing.
Electric vehicles (EVs) are becoming more popular worldwide due to environmental concerns, fuel security, and price volatility. The performance of EVs relies on the energy stored in their batteries, which can be charged using either AC (slow) or DC (fast) chargers. Additionally, EVs can also be used as mobile power storage devices using vehicle-to-grid (V2G) technology. Power electronic converters (PECs) have a constructive role in EV applications, both in charging EVs and in V2G. Hence, this paper comprehensively investigates the state of the art of EV charging topologies and PEC solutions for EV applications. It examines PECs from the point of view of their classifications, configurations, control approaches, and future research prospects and their impacts on power quality. These can be classified into various topologies: DC-DC converters, AC-DC converters, DC-AC converters, and AC-AC converters. To address the limitations of traditional DC-DC converters such as switching losses, size, and high-electromagnetic interference (EMI), resonant converters and multiport converters are being used in high-voltage EV applications. Additionally, power-train converters have been modified for high-efficiency and reliability in EV applications. This paper offers an overview of charging topologies, PECs, challenges with solutions, and future trends in the field of the EV charging station applications.
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DOI: 10.35833/mpce.2023.000107
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