Journal of Power Electronics

The Korean Institute of Power Electronics (전력전자학회)
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Load adaptability of hybrid harmonic reduction method at DC-link of series-connected multi-pulse rectifiers

  • Meng, Fangang (School of Electrical Engineering, Harbin Institute of Technology) ;
  • Liu, Wei (School of Electrical Engineering, Harbin Institute of Technology) ;
  • Yin, Xinyu (School of Electrical Engineering, Harbin Institute of Technology) ;
  • Gao, Lei (School of Electrical Engineering, Harbin Institute of Technology)
  • Received : 2021.03.14
  • Accepted : 2021.07.21
  • Published : 2021.10.20
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Abstract

To verify the harmonic suppression capability of a series-connected 36-pulse rectifier and to improve the load adaptability of its harmonic injection circuit, a reliable selection method for the DC-side output capacitor of the rectifier is proposed. The sufficient and necessary conditions for ensuring the rectifier can operate under the 36-pulse rectification state is summarized, which is the basis for selecting capacitance values under different load types. After using the proposed selection method for the output capacitors, simulation and experimental results indicate that the hybrid harmonic suppression circuit has good performances under a resistive load, a resistive-inductive load, or a load mutation.

Keywords

Acknowledgement

This work was supported in part by the National Natural Science Foundation of China under Grant 51777042 and in part by the Youth Innovation Team of universities in Shandong Province under Grant 2019KJB002.

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