지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술대회자료
- 저자정보
- 발행연도
- 2011.5
- 수록면
- 2,248 - 2,255 (8page)
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초록· 키워드
오류제보하기
In the lithium-ion batteries for electric vehicle applications, the charge equalizer is required to enhance life time and guarantee safety. For efficient charge equalization, a cell voltage sensing module should be used. However, the cost of the sensing module is relatively high. Thus, to achieve higher equalization performance without the cell voltage sensing module, a new automatic charge equalizer based on regulated voltage source is proposed. A fast regulated voltage source with average voltage of the batteries is implemented by a bidirectional dc-dc converter. The charge equalization can be automatically achieved by periodic connections between battery cells and regulated voltage source without the sensing module. The high equalization performance can be obtained by proposed reference voltage modulation and advanced skip mode. The operational principles and design considerations of the proposed equalizer are presented and equalization performance is verified by the prototype with 7Ah lithium-ion batteries.
목차
Abstract
Ⅰ. NOMENCLATURE
Ⅱ. INTRODUCTION
Ⅲ. PROPOSED AUTOMATIC EQUALIZER
Ⅳ. DESIGN CONSIDERATIONS
Ⅴ. EXPERIMENTAL RESULTS
Ⅵ. CONCLUSIONS
ACKNOWLEDGMENT
REFERENCES
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UCI(KEPA) : I410-ECN-0101-2013-560-000301920