Analysis of Dynamic Charging Performances of Optimized Inductive Power Transfer Couplers

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Abstract

This paper aims to investigate the dynamic charging performance of an 11 kW dynamic inductive power transfer (DIPT) system. First, a multi-objective optimization (MOO) method is proposed to find the Pareto front of the DD charging pad. Then, the optimal design with a 96.82% efficiency is selected as the target design for the DIPT system. Based on the coupler mutual inductance at different misalignment, the orientation of the transmitter (Tx) and receiver (Rx) pads and the distance between Tx pads are studied and optimized. To obtain the dynamic characteristics of the DIPT system, the impact of mutual inductance variation is investigated, and a dynamic model using Laplace phasor transformation is built to solve the waveform amplitude of electrical variables. Finally, a time-variant circuit model is built. Based on the simulations, the dynamic model is proved to be accurate, and the proposed DIPT system displays a good dynamic charging performance.

Original languageEnglish
Title of host publication2021 IEEE 19th International Power Electronics and Motion Control Conference (PEMC)
Place of PublicationPiscataway
PublisherIEEE
Pages751-756
Number of pages6
ISBN (Electronic)978-1-7281-5660-6
ISBN (Print)978-1-7281-5661-3
DOIs
Publication statusPublished - 2021
Event19th IEEE International Power Electronics and Motion Control Conference, PEMC 2021 - Gliwice, Poland
Duration: 25 Apr 202129 Apr 2021

Conference

Conference19th IEEE International Power Electronics and Motion Control Conference, PEMC 2021
CountryPoland
CityGliwice
Period25/04/2129/04/21

Bibliographical note

Accepted author manuscript

Keywords

  • dynamic characteristics
  • dynamic inductive power transfer
  • dynamic modelling method
  • multi-objective optimization

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