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An Improved Maximum Energy Efficiency Tracking Control Method for Inductive Power Transfer Systems

  • Shuo Chen
  • , Wen Ding
  • , Ke Li
  • , Ruiming Hu
  • , Zhaoguo Liu
  • Xi'an Jiaotong University

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

A transmitting-side phase shift control strategy based on an improved perturbation and observation (P&O) method is proposed to achieve maximum energy efficiency tracking (MEET) for LCL-LCL compensated inductive power transfer (IPT) systems, which is based on minimizing the input dc current. In this method, the tracking process for the maximum efficiency point is divided into two stages (tracking and oscillation stage), and an adaptive perturbation step size is proposed. In the tracking stage, a large step size is set for the short time to reach the maximum efficiency point. The decreasing step size in the oscillation stage is introduced to reduce the steady state oscillation existed in the conventional method, and the corresponding state switching conditions are given. Hence, the trade-off for MEET between the convergence rate and the oscillation can be removed by adopting this method. Finally, simulation results are given to verify the effectiveness of the proposed algorithm.

Original languageEnglish
Title of host publicationProceedings of the Energy Conversion Congress and Exposition - Asia, ECCE Asia 2021
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages153-158
Number of pages6
ISBN (Electronic)9781728163444
DOIs
StatePublished - 24 May 2021
Event12th IEEE Energy Conversion Congress and Exposition - Asia, ECCE Asia 2021 - Virtual, Singapore, Singapore
Duration: 24 May 202127 May 2021

Publication series

NameProceedings of the Energy Conversion Congress and Exposition - Asia, ECCE Asia 2021

Conference

Conference12th IEEE Energy Conversion Congress and Exposition - Asia, ECCE Asia 2021
Country/TerritorySingapore
CityVirtual, Singapore
Period24/05/2127/05/21

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 7 - Affordable and Clean Energy
    SDG 7 Affordable and Clean Energy

Keywords

  • inductive power transfer (IPT)
  • maximum energy efficiency tracking (MEET)
  • perturbation and observation (P&O) method

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