Abstract
This paper introduces a new zero-voltage-switching (ZVS) isolated DC-DC converter with two input ports which can
be utilized in hybrid energy systems, for instance, in a fuel cell and super-capacitor system. By fully using two high frequency transformers, the proposed converter can effectively integrate a current-fed boost half-bridge (BHB) and a full-bridge (FB) into one equivalent circuit configuration which has dual-input ability and additionally it can reduce the number of the power devices. With the phase-shift control, it can achieve zero-voltage switching turn-on of active switches and zero-current switching (ZCS) turn-off of diodes leading to negligible reverse recovery loss. Voltage conversion ratio is higher compared to the conventional boost converter owing to the BHB circuit and the corresponding control. Finally, a 25~50 V input, 300~400 V output prototype with a 600 W nominal power rating are built up and tested to demonstrate the effectiveness of the proposed converter topology.
be utilized in hybrid energy systems, for instance, in a fuel cell and super-capacitor system. By fully using two high frequency transformers, the proposed converter can effectively integrate a current-fed boost half-bridge (BHB) and a full-bridge (FB) into one equivalent circuit configuration which has dual-input ability and additionally it can reduce the number of the power devices. With the phase-shift control, it can achieve zero-voltage switching turn-on of active switches and zero-current switching (ZCS) turn-off of diodes leading to negligible reverse recovery loss. Voltage conversion ratio is higher compared to the conventional boost converter owing to the BHB circuit and the corresponding control. Finally, a 25~50 V input, 300~400 V output prototype with a 600 W nominal power rating are built up and tested to demonstrate the effectiveness of the proposed converter topology.
| Original language | English |
|---|---|
| Title of host publication | IEEE Applied Power Electronics Conference & Exhibition |
| Publisher | IEEE |
| Publication date | 2013 |
| Pages | 2042-2047 |
| DOIs | |
| Publication status | Published - 2013 |
| Event | 2013 28th Annual IEEE Applied Power Electronics Conference and Exposition - Long Beach Convention Center, Long Beach, United States Duration: 17 Mar 2013 → 21 Mar 2013 Conference number: 28 https://ieeexplore.ieee.org/xpl/conhome/6516132/proceeding |
Conference
| Conference | 2013 28th Annual IEEE Applied Power Electronics Conference and Exposition |
|---|---|
| Number | 28 |
| Location | Long Beach Convention Center |
| Country/Territory | United States |
| City | Long Beach |
| Period | 17/03/2013 → 21/03/2013 |
| Internet address |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 7 Affordable and Clean Energy
Keywords
- Boost half-bridge (BHB)
- DC converter
- Phaseshift control
- Soft-switched
- Fuel cell
- Hybrid
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