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In long range IPT system, the loose coupled transformer has a large leakage inductance, and the induced inductive reactive power is also large, which needs to be compensated with compensation elements. The compensation topology has an important impact on the transmission efficiency and output fluctuation of the system. Mainstream compensation topologies applicable to long range IPT systems mainly include S/S (primary series/secondary series), LCC/S (primary inductor—capacitor—inductor/secondary series), S/S with quad coils, LCC/LCC (primary inductor—capacitor—inductor/secondary inductor—capacitor—inductor), and S/S with multi-stage coils. This chapter describes the output characteristics of different compensation topologies and how impedance matching can be implemented to improve efficiency.

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Compensation Topologies of Long Range IPT

  • 章节

  • 发表日期：

    2025年

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  • Yijie Wang,
  • Jianwei Mai,
  • Peng Gu,
  • Dianguo Xu

摘要

In long range IPT system, the loose coupled transformer has a large leakage inductance, and the induced inductive reactive power is also large, which needs to be compensated with compensation elements. The compensation topology has an important impact on the transmission efficiency and output fluctuation of the system. Mainstream compensation topologies applicable to long range IPT systems mainly include S/S (primary series/secondary series), LCC/S (primary inductor—capacitor—inductor/secondary series), S/S with quad coils, LCC/LCC (primary inductor—capacitor—inductor/secondary inductor—capacitor—inductor), and S/S with multi-stage coils. This chapter describes the output characteristics of different compensation topologies and how impedance matching can be implemented to improve efficiency.