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영 전압 방전이 가능한 리툼이온 배터리 시험 회로의 저가격화 연구

Title
영 전압 방전이 가능한 리툼이온 배터리 시험 회로의 저가격화 연구
Other Titles
A Study of Low Cost Lithium-Ion Battery Test Circuit With Zero Voltage Discharge Capbility
Author
표영학
Alternative Author(s)
Pyo, Young Hak
Advisor(s)
김래영
Issue Date
2017-08
Publisher
한양대학교
Degree
Master
Abstract
A battery test circuit is important equipment for battery manufacturers to understand several characteristics of a lithium-ion battery including dc and/or over-discharge properties. This paper proposes a low cost battery test circuit that can discharge the battery to zero voltage under a minimized current ripple to evaluate the characteristics of a lithium-ion battery. The circuit of the proposed tester consists of two basic bidirectional buck converters with no additional switch or auxiliary circuitry structure. In addition, to ensure the minimization of the current ripple components, a link voltage variation scheme is adapted. Due to these properties, the proposed circuit enables to provide a low cost and a good DC characteristic with a low current ripple. The performance of the proposed battery test circuit is verified by several simulation and experimental results with a lithium-ion battery as a load.
URI
http://dcollection.hanyang.ac.kr/jsp/common/DcLoOrgPer.jsp?sItemId=000000102268http://hdl.handle.net/20.500.11754/33571
Appears in Collections:
GRADUATE SCHOOL[S](대학원) > ELECTRICAL ENGINEERING(전기공학과) > Theses (Ph.D.)
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