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Summary & Details

Considerations on DC-bus Current Ripple in Multi-level Dual Active Bridge Converter

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Format: PDF

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

Publication code: 20214303

Paper/Info type: Other International Conferences

No.B3.3

Pages: 1-8(Total 8 p)

Date of publication: May 2021

Publisher: JSAE

Language: English

Event: International Electric Vehicle Technology Conference EVTeC 2021 [Online Meeting]

Detailed Information

Category(E)	Power Electronics Components
Author(E)	1) Yasunobu Ueuchi, 2) Ryosuke Ota, 3) Nobukazu Hoshi
Affiliation(E)	1) Tokyo University of Science, 2) Tokyo University of Science, 3) Tokyo University of Science
Abstract(E)	In this paper, the DC-bus current ripple characteristics of a three-level neutral point clamped dual active bridge (NPC-DAB) converter applied to V2H (Vehicle to Home) chargers are analyzed and discussed. A three-level NPC-DAB converter’s control parameters are represented by a combination of phase shift angle and notching angles. The control parameters that can minimize the DC bus current ripple are investigated. In addition, two types of parameter design methods to reduce the DC-bus current ripple are derived. The output was divided into four regions according to the tendency of the optimal operating parameters. The optimal operating parameters of those regions were discussed, and approximate equations were derived. Also, the effectiveness of the proposed control method was verified in experiments. As a result, it was confirmed that the DC bus current ripple was reduced by 34% at maximum compared to the conventional DAB converter.

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