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Summary & Details

Development of High-Power Density LDC with SiC Devices and Planar Transformer

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Format: PDF

Price: Non-members (tax incl.)：￥1,100 Members (tax incl.)：￥880

Publication code: 20215210

Paper/Info type: Proceedings (Spring)

No.47-21

Pages: 1-6(Total 6 p)

Date of publication: May 2021

Publisher: JSAE

Language: English

Event: 2021 JSAE Annual Congress (Spring)[Online Meeting]

Detailed Information

Author(E)	1) Minseong Choi, 2) In Yong Yeo, 3) Dae Woo Lee, 4) Tae Jong Ha, 5) Yeong Gyu Choe, 6) Young Jin Kim, 7) Jung Hong Joo
Affiliation(E)	1) Hyundai Motor, 2) Hyundai Motor, 3) Hyundai Motor, 4) Hyundai Motor, 5) Hyundai Motor, 6) Hyundai Motor, 7) Hyundai Motor
Abstract(E)	In this paper, ACFC+CT(Active Clamp Forward Converter with Center Tap) is used for LDC. In the new topology, a number of primary side switches are reduced from four Si MOSFETs to two SiC FETs and the switching frequency is doubled from 100kHz to 200kHz. By this effort, the application of a planar transformer with high-heat dissipation PCB and downsizing output inductor are possible. This paper illustrates the experimental results of the hardware prototype achieves a 1.96-fold increase in power density, a 25 percent reduction in cost, and a 0.5 percent increase in the main load condition compared to the previous LDC.

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