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This article develops a wideband capacitive voltage divider with low dielectric loss. In order to balance the low dielectric loss characteristics and dynamic signal response capability of the wideband capacitive voltage divider, a design method is proposed that combines a low-voltage capacitor in parallel with an RC network. By analyzing the impact of key parameters of the RC network on dielectric loss and dynamic signal response capability, the constraints for these key parameters are determined. The hybrid variation particle swarm algorithm is used to optimize and identify these key parameters, ultimately achieving the development of the wideband capacitive voltage divider. The designed high-voltage level wideband capacitive voltage divider has significant implications for the traceability and error verification of harmonic voltage transformers.

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Analysis and Optimization of RC Network Parameters for Wideband Capacitive Voltage Divider

  • 会议论文

  • 发表日期：

    2025年

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  • Jian Liu,
  • Junjie Liu,
  • Jian Wang,
  • Shuhui Yi,
  • Tian Fang,
  • Ming Li,
  • Yefeng Yu

摘要

This article develops a wideband capacitive voltage divider with low dielectric loss. In order to balance the low dielectric loss characteristics and dynamic signal response capability of the wideband capacitive voltage divider, a design method is proposed that combines a low-voltage capacitor in parallel with an RC network. By analyzing the impact of key parameters of the RC network on dielectric loss and dynamic signal response capability, the constraints for these key parameters are determined. The hybrid variation particle swarm algorithm is used to optimize and identify these key parameters, ultimately achieving the development of the wideband capacitive voltage divider. The designed high-voltage level wideband capacitive voltage divider has significant implications for the traceability and error verification of harmonic voltage transformers.