A new hybrid modular multilevel rectifier as MVac–LVdc active front-end converter for fast charging stations and data centers

J Liu, JK Motwani, R Burgos, Z Zhou… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
As the power demands from dc energy-storage and loads continue to grow in electric
vehicle fast charging stations and data centers, the power delivery infrastructure faces …

[HTML][HTML] Towards Energy Efficiency: Innovations in High-Frequency Converters for Renewable Energy Systems and Electric Vehicles

P Arévalo, D Ochoa-Correa, E Villa-Ávila - Vehicles, 2024 - mdpi.com
This study reviews advancements in high-frequency converters for renewable energy
systems and electric vehicles, emphasizing their role in enhancing energy efficiency and …

A comparative evaluation between hybrid modular multi-level converters and alternate arm converter

JK Motwani, J Liu, D Boroyevich… - 2023 IEEE 24th …, 2023 - ieeexplore.ieee.org
There has been a notable increase in the demand for medium-voltage high-power
converters for applications like electric vehicle charging stations (EVCS), energy storage …

Thyristor Embedded Hybrid Modular Multilevel Converter: A New Voltage Source Converter for MV and HV Applications

JK Motwani, J Liu, A Rao, R Burgos… - … on Power Electronics, 2024 - ieeexplore.ieee.org
Compared with line-commutated converters (LCC) technology, voltage-source converters
(VSCs), exemplified by modular multilevel converters (MMCs) have emerged as a superior …

A Transformer Design with PCB Litz Wire Concept for Solid State Transformer

Z Li, F Jin, X Lou, YH Hsieh, Q Li… - 2023 IEEE Energy …, 2023 - ieeexplore.ieee.org
Litz wire is known for its ability to minimize winding losses in high-frequency applications.
However, its implementation in PCB winding poses significant challenges. This paper …

State–Space Modelling and Stability Analysis of Solid-State Transformers for Resilient Distribution Systems

DK Mishra, MH Abbasi, M Eskandari, S Paudel… - Applied Sciences, 2024 - mdpi.com
Power grids are currently undergoing a significant transition to enhance operational
resilience and elevate power quality issues, aiming to achieve universal access to electricity …

Design and Optimization with Litz Wire Version of PCB in Solid-State Transformer

Z Li, F Jin, X Lou, YHHQ Li… - 2024 IEEE Applied Power …, 2024 - ieeexplore.ieee.org
The PCB winding-based transformer is renowned for its low profile, easy manufacturability,
and cost-effectiveness. However, it encounters challenges in high-power applications due to …

Improved control of capacitor voltage balancing in modular multilevel converter submodules

Y Lyu, Y Zi, X Li - IEEE Access, 2024 - ieeexplore.ieee.org
An improved incremental capacitor voltage balancing control strategy is proposed to solve
the problems of large switching frequency, high complexity of the bubble method sorting …

[HTML][HTML] Fault-tolerant strategies in MMC-based high power magnet supply for particle accelerator

MC Moratalla, R Vidal-Albalate, FRB Delgado… - … and Computers in …, 2024 - Elsevier
Many particle accelerators require to supply chains of magnets with high quality, high
magnitude, cycling currents. To do this, the power converters need to provide high output …

[HTML][HTML] Direct modulation in MMC-Based multiterminal hybrid Microgrid: A solution for arm capacitor voltage balancing under unbalanced power distribution

AG Abo-Khalil, SB Bashir, MM Farag, AAA Ismail… - International Journal of …, 2024 - Elsevier
The rising interest in hybrid alternating current (AC)/direct current (DC) microgrids among
the global research community can be attributed to the widespread adoption of distributed …