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Overview of Research Status of DC Bias and Its Suppression in Power Transformers

Author

Listed:
  • Youliang Sun

    (School of Electrical Engineering, Shandong University, Jinan 250061, China)

  • Li Zhang

    (School of Electrical Engineering, Shandong University, Jinan 250061, China)

  • Zhuangzhuang Zhang

    (Electric Power Research Institute of State Grid Henan Electric Power Company, Zhengzhou 450052, China)

  • Dong Wang

    (Electric Power Research Institute of State Grid Henan Electric Power Company, Zhengzhou 450052, China)

Abstract

In this article, the sources of DC bias and its effects on power transformers are first summarized. Secondly, the article classifies and summarizes the current DC bias calculation problems of power transformers, and puts forward some interesting viewpoints on the research logic of related calculations. The current processing methods of DC bias effect are classified and discussed, their advantages and disadvantages are compared, and the logic flow of DC bias effect processing is proposed. Finally, the current research on DC bias voltage of power transformers is summarized, and the progress and deficiencies of current research are pointed out, which has certain reference value for future research on DC bias voltage and its suppression.

Suggested Citation

  • Youliang Sun & Li Zhang & Zhuangzhuang Zhang & Dong Wang, 2022. "Overview of Research Status of DC Bias and Its Suppression in Power Transformers," Energies, MDPI, vol. 15(23), pages 1-17, November.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:23:p:8842-:d:981769
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    Cited by:

    1. Srđan Divac & Marko Rosić & Stan Zurek & Branko Koprivica & Krzysztof Chwastek & Milan Vesković, 2023. "A Methodology for Calculating the R - L Parameters of a Nonlinear Hysteretic Inductor Model in the Time Domain," Energies, MDPI, vol. 16(13), pages 1-14, July.

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