Abstract
This paper proposes a new bridgeless single-stage three-level ac-dc converter. The proposed converter integrates the operation of the bridgeless power factor correction (PFC) boost rectifier and the zero-voltage switching (ZVS) three-level dc-dc converter. The proposed converter provides high power factor and direct power conversion from the line voltage to an isolated dc output voltage without using the full-bridge diode rectifier. Conduction losses are lowered with a simple circuit structure. Voltage stresses of the power switches are reduced by the use of three-level topology. Switching losses are also reduced by achieving ZVS of the power switches. The effectiveness of the proposed converter is verified on a 400 W (48 V/8.33 A) experimental prototype at 90 Vrms line voltage.
| Original language | English |
|---|---|
| Title of host publication | 8th International Conference on Power Electronics - ECCE Asia |
| Subtitle of host publication | "Green World with Power Electronics", ICPE 2011-ECCE Asia |
| Pages | 2704-2708 |
| Number of pages | 5 |
| DOIs | |
| State | Published - 2011 |
| Event | 8th International Conference on Power Electronics - ECCE Asia: "Green World with Power Electronics", ICPE 2011-ECCE Asia - Jeju, Korea, Republic of Duration: 2011.05.30 → 2011.06.3 |
Publication series
| Name | 8th International Conference on Power Electronics - ECCE Asia: "Green World with Power Electronics", ICPE 2011-ECCE Asia |
|---|
Conference
| Conference | 8th International Conference on Power Electronics - ECCE Asia: "Green World with Power Electronics", ICPE 2011-ECCE Asia |
|---|---|
| Country/Territory | Korea, Republic of |
| City | Jeju |
| Period | 11.05.30 → 11.06.3 |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 7 Affordable and Clean Energy
Keywords
- AC/DC converter
- Bridgeless
- current doubler rectifier
- single-stage
- three-level
Quacquarelli Symonds(QS) Subject Topics
- Engineering - Electrical & Electronic
- Engineering - Petroleum
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