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마일드 하이브리드 차량용 복합형 에너지 저장장치의 성능 개선에 관한 연구

Title
마일드 하이브리드 차량용 복합형 에너지 저장장치의 성능 개선에 관한 연구
Other Titles
A Study on Performance Improvement of Hybrid Energy Storage System for Mild HEV
Author
김희준
Keywords
Mild HEV; Hybrid Energy Package; Ultracapacitor; VRLA Battery; Energy Management System
Issue Date
2007-10
Publisher
대한전기학회
Citation
전기학회논문지, v. 56, No. 10, Page. 1,763 - 1,769
Abstract
To improve the cycle-life and efficiency of an energy storage system for HEV, a dynamic control system consisted of a switch between a battery and an ultracapacitor module is proposed, which is appropriate for mild hybrid vehicle with 42V power net. The switch can be controlled based on the status of the battery and the ultracapacitor module, and a control algorithm that could largely decrease the number of high charging current peak is also implemented. Therefore the cycle life of the battery can be improved such that it is suitable for a mild hybrid vehicle with frequent engine start-stop and regenerative-braking. Also, by maximizing the use of the ultracapacitor, the system efficiency during high current charging and discharging operation is improved. Finally, this system has the effects that improves the efficiency of energy storage system and reduces the fuel consumption of a vehicle. To verify the validity of the proposed system, this paper presented cycles test results of different energy storage systems: a simple VRLA battery, hybrid energy pack (HEP, a VRLA battery in parallel with Ultracapacitor) and a HEP with a switch that controlled by energy management system (EMS). From the experimental result, it was proved the effectiveness of the algorithm.
URI
http://www.dbpia.co.kr/journal/articleDetail?nodeId=NODE01277984&language=ko_KRhttp://repository.hanyang.ac.kr/handle/20.500.11754/107178
ISSN
1975-8359
Appears in Collections:
COLLEGE OF ENGINEERING SCIENCES[E](공학대학) > ELECTRICAL ENGINEERING(전자공학부) > Articles
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