期刊
IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS
卷 52, 期 4, 页码 3294-3305出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TIA.2016.2539920
关键词
Close-coupled inductors (CCIs); core model; high power density; integrated magnetic components; integrated winding coupled inductors (IWCIs); loosely coupled inductors (LCIs)
资金
- Grants-in-Aid for Scientific Research [26420235] Funding Source: KAKEN
Interleaved dc-dc converters with integrated magnetic components capable to achieve high power density have recently gained attention in automotive applications for eco-friendly transportation. These circuits may contribute to the downsizing of powertrains for electric vehicles (EVs) and hybrid electric vehicles (HEVs) using close-coupled inductors (CCIs) and loosely coupled inductors (LCIs). In this study, a novel core model for size and loss calculation of the interleaved converter with integrated winding coupled inductors (IWCIs) is proposed to assess the size of magnetic components. This assessment was carried out using the parameters of a 1-kW circuit. As a result, interleaved converters with IWCIs proved to be more effective than the converters with LCIs and CCIs for downsizing the magnetic components. In contrast, it was also found that the interleaved converter with LCIs achieved downsizing of the magnetic component at a duty ratio close to 50%. Finally, the effectiveness of the calculation model was validated through experimental tests.
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