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 |
|---|---|
| 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 |
|---|---|
| ISSN (Print) | 2150-6078 |
Conference
| Conference | International Power Electronics Conference |
|---|---|
| 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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