Traditional transformers have been widely used in power systems due to their outstanding stability and high working efficiency. However, the weight and volume of traditional transformers are large. In recent years, the shortcomings in dealing with power quality problems have gradually emerged. In addition, the performance of power electronic devices is gradually improving, power electronics technology is rapidly developing, and the application range in power systems is also increasing. Therefore, whether power electronic technology can be applied to the field of transformers to improve the problems of conventional transformers becomes With the research hotspot, the concept of power electronic transformers came into being. The high-frequency DC link in power electronic transformers is a key part to improve its working efficiency and reduce the volume of the device. This paper adopts a phase-shifted full-bridge DC converter that can realize zero-voltage switching (ZVS), which is verified by simulation experiments. The achievability in power electronic transformers and the role of power electronic transformers in improving power quality.

Yan Chuang, Bai Jing, Sun Mingze. Research on Power Electronic Transformer Based on Phase Shift Converter. Academic Journal of Engineering and Technology Science (2020) Vol. 3 Issue 3: 113-119. https://doi.org/10.25236/AJETS.2020.030314.

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