Isolated LLC converter for PEV charging for wide‐range voltage gain using six‐switch bridge
This paper proposes a dual LLC converter based on a six‐switch bridge to charge deeply depleted plug‐in electric vehicle onboard battery packs. The primary‐side switch network comprises an input series or parallel, and two types of transformer‐independent modes. Thus, there are four operation modes....
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| Veröffentlicht in: | Electrical engineering in Japan 2020-12, Vol.213 (1-4), p.33-42 |
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| container_title | Electrical engineering in Japan |
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| creator | Kinoshita, Yuki Haga, Hitoshi |
| description | This paper proposes a dual LLC converter based on a six‐switch bridge to charge deeply depleted plug‐in electric vehicle onboard battery packs. The primary‐side switch network comprises an input series or parallel, and two types of transformer‐independent modes. Thus, there are four operation modes. In the input series mode, normalized voltage gains are scaled to 0.5; therefore, a low output voltage can be obtained. In addition, in the input parallel mode, the normalized voltage gains are scaled to 2.0. These four modes operate at the resonant frequency at the switching frequency. Therefore, the efficiency performance can be optimized over a wide output voltage range. The validity of the proposed system is confirmed with a 1‐kW prototype. |
| doi_str_mv | 10.1002/eej.23272 |
| format | Article |
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The primary‐side switch network comprises an input series or parallel, and two types of transformer‐independent modes. Thus, there are four operation modes. In the input series mode, normalized voltage gains are scaled to 0.5; therefore, a low output voltage can be obtained. In addition, in the input parallel mode, the normalized voltage gains are scaled to 2.0. These four modes operate at the resonant frequency at the switching frequency. Therefore, the efficiency performance can be optimized over a wide output voltage range. 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The primary‐side switch network comprises an input series or parallel, and two types of transformer‐independent modes. Thus, there are four operation modes. In the input series mode, normalized voltage gains are scaled to 0.5; therefore, a low output voltage can be obtained. In addition, in the input parallel mode, the normalized voltage gains are scaled to 2.0. These four modes operate at the resonant frequency at the switching frequency. Therefore, the efficiency performance can be optimized over a wide output voltage range. 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| issn | 0424-7760 1520-6416 |
| language | eng |
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| source | Wiley Online Library Journals Frontfile Complete |
| subjects | Converters Electric bridges isolated DC/DC converter plug‐in electric vehicle (PEV) charging resonance type Resonant frequencies Voltage gain |
| title | Isolated LLC converter for PEV charging for wide‐range voltage gain using six‐switch bridge |
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