Abstract
This paper explains an initial current injection method of a direct three-phase to single-phase AC/AC converter for an inductive charger. The converter has a lesser number of switches than a matrix converter and uses a resonant circuit to utilize zero-current switching. The method applies a DC resonant charging to charge a primary resonant capacitor, by taking advantage of the converter topology. The charged voltage is used to boost the initial current since in practice an affordable current transducer has only a limited measurement range, due to its accuracy and noise characteristics. The method is applied to kick-start the inductive charger without adding an amplification circuit to the current transducer output. Simulation results are presented to verify theoretical calculations.
Original language | English |
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Title of host publication | Proceedings of the 2018 International Power Electronics Conference, IPEC-Niigata - ECCE Asia 2018 |
Publisher | IEEE |
Pages | 3870-3876 |
Number of pages | 7 |
ISBN (Electronic) | 9784886864055 |
DOIs | |
Publication status | Published - 22 Oct 2018 |
MoE publication type | A4 Conference publication |
Event | International Power Electronics Conference - Niigata, Japan Duration: 20 May 2018 → 24 May 2018 |
Publication series
Name | International Conference on Power Electronics |
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ISSN (Print) | 2150-6078 |
Conference
Conference | International Power Electronics Conference |
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Abbreviated title | IPEC |
Country/Territory | Japan |
City | Niigata |
Period | 20/05/2018 → 24/05/2018 |
Keywords
- AC/AC converter
- battery charger
- contactless power supply
- resonant converter
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