Abstract
Conventional differential resonant rectifiers, i.e., differential class E rectifiers are promising solutions for high-frequency rectification applications. However, they generally suffer from poor output regulation, which leads to the use of a post regulator. In this paper, a differential resonant rectifier that achieves single-stage power processing with direct output voltage regulation, is proposed. The regulation is attained by adjusting the phase-shift between the input current and the gate drive signal of the rectifiers. Moreover, the reactive components of the power circuit are designed such that a relatively constant AC voltage waveform is attained for different coupling and load conditions. This ensures zero-voltage-switching (ZVS) and good regulation of the rectifier over a wide load range. The steady-state analysis and feedback control design of the rectifier are discussed. A prototype is built and tested. Experimental results are provided to verify the features. © 2020 IEEE.
| Original language | English |
|---|---|
| Title of host publication | 2020 IEEE Applied Power Electronics Conference and Exposition (APEC) |
| Publisher | IEEE |
| Pages | 3115-3119 |
| ISBN (Electronic) | 978-1-7281-4829-8, 978-1-7281-4828-1 |
| ISBN (Print) | 978-1-7281-4830-4 |
| DOIs | |
| Publication status | Published - 2020 |
| Externally published | Yes |
| Event | 35th Annual IEEE Applied Power Electronics Conference and Exposition (APEC 2020) - New Orleans, United States Duration: 15 Mar 2020 → 19 Mar 2020 |
Publication series
| Name | Conference Proceedings - IEEE Applied Power Electronics Conference and Exposition - APEC |
|---|---|
| ISSN (Print) | 1048-2334 |
| ISSN (Electronic) | 2470-6647 |
Conference
| Conference | 35th Annual IEEE Applied Power Electronics Conference and Exposition (APEC 2020) |
|---|---|
| Place | United States |
| City | New Orleans |
| Period | 15/03/20 → 19/03/20 |
Funding
The work described in this paper was substantially supported by a grant from the Research Grants Council of the Hong Kong Special Administration Region, China (GRF project 17204318).
Research Keywords
- continuous output current
- Differential resonant rectifier
- low THD
- regulation
- ZVS
RGC Funding Information
- RGC-funded
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