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September 10, 2025International Transactions on Electrical Energy SystemsOpen Access

Research on AC–DC High‐Frequency Interaction Mechanism and Valve‐Side High‐Frequency Oscillation Suppression Strategy of Flexible HVDC Converter

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Authors

LTLin TanWuhan Children's HospitalYZYang ZhangSuzhou University of Science and TechnologyYWYanan WuUniversity of Science and Technology of China

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Implication

This study demonstrates a hardware solution that reduces high-frequency harmonics in flexible HVDC systems, suggesting enhanced operational reliability.

Key Points

  • High-frequency harmonics in flexible HVDC systems can be significantly reduced using novel hardware solutions.
  • The proposed dual-strategy control scheme lowers total harmonic distortion from 5.74% to 0.80% while also reducing switching frequency.
  • The convolution Fourier series analysis reveals critical relationships between oscillations and system parameters in HVDC converters.
  • Experimental validation showed approximately 50% reduction in high-frequency harmonics with sufficient impedance matching.

Cite This Study

Tan et al. (2025) studied this question.

synapsesocial.com/papers/68c1b34654b1d3bfb60e9606https://doi.org/10.1155/etep/9270417
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