Abstract
The interleaved LLC series resonant converter (LLC-SRC) is required to fulfill the demand for high power capacity, high power density and high efficiency. However, when interleaved LLC-SRCs in each module are operated at the same switching frequency, load unbalance problem occurs due to the component tolerances of the resonant ranks. In consequence, the reliability of the converter is decreased due to increased secondary current ripple. In order to solve this problem, this paper proposes a novel load current sharing method for the resonant tank gain mismatches in each phase. The proposed load current sharing method can be implemented by controlling the turn-on timing of the secondary synchronous switches. The load current can be shared equally in each module, even if the converters in each phase are operated at the same switching frequency. In order to verify proposed method, the experiments are executed on a 500W prototype.
| Original language | English |
|---|---|
| Title of host publication | 2016 IEEE 8th International Power Electronics and Motion Control Conference, IPEMC-ECCE Asia 2016 |
| Publisher | Institute of Electrical and Electronics Engineers Inc. |
| Pages | 2276-2280 |
| Number of pages | 5 |
| ISBN (Electronic) | 9781509012107 |
| DOIs | |
| Publication status | Published - Jul 13 2016 |
| Event | 8th IEEE International Power Electronics and Motion Control Conference, IPEMC-ECCE Asia 2016 - Hefei, China Duration: May 22 2016 → May 26 2016 |
Other
| Other | 8th IEEE International Power Electronics and Motion Control Conference, IPEMC-ECCE Asia 2016 |
|---|---|
| Country/Territory | China |
| City | Hefei |
| Period | 5/22/16 → 5/26/16 |
All Science Journal Classification (ASJC) codes
- Energy Engineering and Power Technology
- Control and Systems Engineering
- Electrical and Electronic Engineering
- Control and Optimization