State of the Art of Solid-State Transformers: Advanced Topologies, Implementation Issues, Recent Progress and Improvements

作者：M. A. Hannan, Pin Jern Ker, Molla Shahadat Hossain Lipu, Zhen Hang Choi, M. S. Abd Rahman, Kashem Mohammad Muttaqi, Frede Blaabjerg · 发表于：IEEE Access · 年份：2020 · DOI：10.1109/access.2020.2967345 · 被引用次数：336 · 研究领域：Advanced DC-DC Converters、Multilevel Inverters and Converters、Silicon Carbide Semiconductor Technologies

Solid-state transformer (SST) is an emerging technology integrating with a transformer power electronics converters and control circuitry. This paper comprehensively reviews the SST topologies suitable for different voltage levels and with varied stages, their control operation, and different trends in applications. The paper discusses various SST configurations with their design and characteristics to convert the input to output under unipolar and bipolar operation. A comparison between the topologies, control operation and applications are included. Different control models and schemes are explained. Potential benefits of SST in many applications in terms of controllability and the synergy of AC and DC systems are highlighted to appreciate the importance of SST technologies. This review highlights many factors including existing issues and challenges and provides recommendations for the improvement of future SST configuration and development.