A high-power high-frequency self-balanced battery charger for lithium-ion batteries energy storage systems

Feizi, Mohsen; Beiranvand, Reza

doi:10.1016/j.est.2021.102886

Cited by 12 publications

(2 citation statements)

References 22 publications

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“…In the context of Li-ion battery equalization, a multi-output LLC-based resonant converter [61,62], has been proposed. This converter generally outperforms conventional equalizer converters.…”

Section: Voltage Step-down Llc Resonant Convertermentioning

confidence: 99%

Application-Oriented Review of the LLC-Based Resonant Converters

Shahsevani,

Beiranvand

2024

IEEE Access

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The LLC resonant converter is a widely utilized power electronics converter, due to its numerous industrial and domestic applications. This converter offers some advantages such as soft-switching operation of all switches, high efficiency, high power density, low voltage stress, minimal electromagnetic interference (EMI) noise, input/output isolation, wide input/output voltage range, and reliable and good performance under the wide load variation ranges, as well as good light-load operation. However, this converter has certain limitations, which can be addressed to enhance its operation and efficiency. This paper provides an in-depth review and comparison of various LLC-based resonant converter configurations, focusing on their operational principles, mathematical analysis, control methods, and some practical applications including electric vehicle chargers, TV power supplies, LED drivers, photovoltaic cells, HVDC production, fuel cells, and wireless power transfer applications. By examining the strengths and weaknesses of the different LLC resonant converter designs, this study aims to contribute to the ongoing research efforts in improving the performance and efficiency of this important power electronics converter. INDEX TERMS DC-DC power conversion, LLC resonant converter, resonant power conversion.

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Section: Voltage Step-down Llc Resonant Convertermentioning

confidence: 99%

Application-Oriented Review of the LLC-Based Resonant Converters

Shahsevani,

Beiranvand

2024

IEEE Access

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“…IoT basically consists of a remote data exchange system that aims to provide new services in all areas of daily life [6]. The IoT can be found in many applications including agriculture, energy, industrial automation, transportation, smart cities, and power electronics converters [7][8][9][10][11].…”

Section: Introductionmentioning

confidence: 99%

Remote Low-Cost Differential Isolated Probe for Voltage Measurements

Antolín-Cañada,

Perez-Cebolla,

Eneriz

et al. 2024

Applied Sciences

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The growing development of communication technologies has given rise to the Internet of Things, which has led to the emergence of new cities, smart grids, and smart buildings, and the development of energy generation using renewable sources, as well as the emergence of new electrical loads such as the electric car. These advances give rise to the need for new media devices with remote communication, and require a greater control and monitoring of the state of the electrical grid in order to verify its correct state, as well as the detection of faults or alterations that are occurring in it due to these new generation systems or new loads. These remote, unsupervised measurement devices require galvanic isolation to protect the measurement and communication system, so that even if there is a break in the isolation, the integrity of the measurement and communication system is maintained. In addition, as it is a device prepared for multipoint measurement, the cost of the probe must be contained. This article details the design, implementation, and validation of a low-cost remote isolated differential voltage probe. This probe is intended for monitoring at network supply points, as well as for the verification of the European standard EN 50160 as a means of detecting disturbances in network behaviour. Its characteristics as a differential and isolated probe provide it with the possibility of floating voltage averaging, guaranteeing the integrity of the electronics of the low-voltage probe, i.e., the digitalisation and communication system. The measurements collected are sent via an MQTT protocol, which makes the remote probe a device compatible with the Internet of Energy. For the validation of the probe, a full functional test is performed, including FFT spectral analysis to verify the compliance of the mains voltage with the aforementioned European standard EN 50160.

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