태양광/연료전지용 배터리 충·방전 하이브리드 시스템 설계
Design of Hybrid System for Battery Charge·Discharge using Photovoltaic/Fuel cell
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초록
Photovoltaic and fuel cell systems can be used as power source in mobile robots. At this time the photovoltaic system generally generate power in daytime. The starting time of fuel cell is slower than the lithium battery. To compensate for these disadvantages, a battery charge-discharge system is used. Especially the bi-directional converter is used mainly in the charge-discharge method. The controller in a buck converter controls the input voltage of the converter to meet the maximum power point tracking(MPPT) performance. First of all, the simulations of hybrid system for battery charge-discharge system in each step simulated using solar and fuel cell modeling as input source in PSIM. Experiment of the buck and bi-directional converter system is conducted through using photovoltaic/fuel cel simulator(pCube) instead of solar and fuel cell. This hybrid system for battery charge·discharge using photovoltaic/fuel cell generates emergency power for the communication system in mobile robot.
Abstract
Photovoltaic and fuel cell systems can be used as power source in mobile robots. At this time the photovoltaic system generally generate power in daytime. The starting time of fuel cell is slower than the lithium battery. To compensate for these disadvantages, a battery charge-discharge system is used. Especially the bi-directional converter is used mainly in the charge-discharge method. The controller in a buck converter controls the input voltage of the converter to meet the maximum power point tracking(MPPT) performance. First of all, the simulations of hybrid system for battery charge-discharge system in each step simulated using solar and fuel cell modeling as input source in PSIM. Experiment of the buck and bi-directional converter system is conducted through using photovoltaic/fuel cel simulator(pCube) instead of solar and fuel cell. This hybrid system for battery charge·discharge using photovoltaic/fuel cell generates emergency power for the communication system in mobile robot.
참고문헌 (3)
- 박봉희, "연료전지 모델링 및 부스트 컨버터 출력 특성", 한국태양에너지학회 논문집, 34(1), pp.91~97 (2014), 한국태양에너지학회
- Seung-Min Kim, "Motor Control and Battery Charger using Low Cost PV MPPT", Journal of the Korea Solar Energy Society (2013)
- Gyu-Yeong Choe, "A Bi-directional Battery Charger System Integrated Photovoltaic PCS", Journal of Power Electronics (2010)