Abstract
This paper proposes a high-frequency-link soft-switching pulse-width modulated dc-dc converter for electric vehicle (EV) on-board battery chargers. Zero-voltage switching of power switches is achieved from light load to full load. Reverse-recovery losses can be reduced in the secondary side output diodes without using any additional circuit components. Zero-current switching of output diodes is achieved by using the series-resonant circuit in the secondary side. The circulating current in the primary side full-bridge circuit can be changed by the operation modes of the output diode current. As a result, a high efficiency can be achieved for EV on-board battery chargers. The performance of the proposed converter is evaluated throughout experimental results for a 2.0-kW prototype circuit.
| Original language | English |
|---|---|
| Article number | 6668933 |
| Pages (from-to) | 4136-4145 |
| Number of pages | 10 |
| Journal | IEEE Transactions on Power Electronics |
| Volume | 29 |
| Issue number | 8 |
| DOIs | |
| State | Published - 2014.08 |
Keywords
- DC-DC converter
- electric vehicle (EV)
- high-frequency link
- on-board battery charger
Quacquarelli Symonds(QS) Subject Topics
- Engineering - Electrical & Electronic
- Engineering - Petroleum
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