Research on efficiency of magnetic resonant wireless energy transfer

Chunlai Yu, Chunbo Zhu, Yinhua Mao, Qingquan Chen

Research output: Journal article publicationJournal articleAcademic researchpeer-review

3 Citations (Scopus)

Abstract

A driving device for magnetic coupled resonant wireless energy transfer system is explored, and its equivalent circuit model is established. By analyzing driving device's operation mode and time-domain waveform, mathematical expressions of loss and efficiency are obtained. Conditions for power transistors working at soft switching mode are analyzed along with the relationship between fundamental component under different duty cycles and voltage stress of power transistors. Simulation and experimental results show that the device can be used for wireless power transfer technology, and it is of certain practical value.

Original languageEnglish
Pages (from-to)177-181+187
JournalDiangong Jishu Xuebao/Transactions of China Electrotechnical Society
Volume26
Issue numberSUPPL. 1
Publication statusPublished - Nov 2011
Externally publishedYes

Keywords

  • Drive source
  • Soft-switching
  • System efficiency
  • Wireless power transfer

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

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