Abstract
Current DC fast charging applications typically require a very wide dc output voltage range, such as 150 to 920 V, which strongly impacts performance, size and cost of typical dc-dc converters. This happens because the components need to be oversized in some sense due to higher current efforts at lower output voltage levels and higher voltage stresses at higher output voltages. This work presents a reconfigurable resonant LLC based dc-dc converter that improves this situation, without requiring rewiring, e.g, through relays. The main operating modes that enable this topology to operate in a wide voltage range are presented along with data that helps finding the most suitable operating regions.
| Original language | English |
|---|---|
| Title of host publication | 2021 Brazilian Power Electronics Conference, COBEP 2021 |
| Publisher | Institute of Electrical and Electronics Engineers Inc. |
| ISBN (Electronic) | 9781665421294 |
| DOIs | |
| State | Published - 2021 |
| Externally published | Yes |
| Event | 16th Brazilian Power Electronics Conference, COBEP 2021 - Joao Pessoa, Brazil Duration: 7 Nov 2021 → 10 Nov 2021 |
Publication series
| Name | 2021 Brazilian Power Electronics Conference, COBEP 2021 |
|---|
Conference
| Conference | 16th Brazilian Power Electronics Conference, COBEP 2021 |
|---|---|
| Country/Territory | Brazil |
| City | Joao Pessoa |
| Period | 7/11/21 → 10/11/21 |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 7 Affordable and Clean Energy
Keywords
- EV fast charging stations
- LLC
- dc-dc converter
- resonant converter
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