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연료전지·이차전지 하이브리드 시스템을 위한 인터리빙 양방향 DC-DC 컨버터 설계

Title
연료전지·이차전지 하이브리드 시스템을 위한 인터리빙 양방향 DC-DC 컨버터 설계
Translated Title
The Design of Interleaved Bi-directional DC-DC Converter for Fuel Cell and Battery Hybrid System
Authors
김승민최주엽최익송승호이상철이동하
DGIST Authors
이상철; 이동하
Issue Date
2013-02
Citation
전력전자학회 논문지, 18(1), 45-53
Type
Article
Keywords
bi-directional DC-DC converterPWM switch modelstate space averaginginterleaved two-loop controlbattery modelingfrequency domain design
ISSN
1229-2214
Abstract
Fuel cell power system is one of the most promising energy source for the alternative energy because it has unique advantages such as high energy density, no power drop during operation, and feasible to make compact size. However, due to very low response time, fuel cell is difficult to correspond to drastic load changes and start-up operation. For solving these problem, fuel cell power system must include energy storage device such as Li-Poly battery or super capacitor. Therefore, bi-directional DC-DC converter must be required for this storage device and fuel cell-PCS control. This paper presents a design and modeling of the bi-directional DC/DC converter. Firstly, we present modeling the boost and buck mode of the bi-directional converter through both PWM switch model and state space averaging technique. Secondly, in order to minimize output ripple and transient response overshoot, we have two identical DC-DC converters interleaved and adopt two-loop voltage-current controller. The proposed bi-directional DC-DC converter’s modeling method and control design have been verified with computer simulation and experimentation.
URI
http://hdl.handle.net/20.500.11750/4929
DOI
10.6113/TKPE.2013.18.1.45
Publisher
전력전자학회
Related Researcher
Files:
There are no files associated with this item.
Collection:
Convergence Research Center for Future Automotive Technology1. Journal Articles
Convergence Research Center for Wellness1. Journal Articles


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