Modeling,control and simulation of a photovoltaic /hydrogen/ supercapacitor hybrid power generation system for grid-connected applications |
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| Affiliation: | 1. Luleå University of Technology, 931 87 Skellefteå, Sweden;2. University Carlos III, Madrid, Spain;3. National Chung Cheng University, Taiwan;4. Chalmers University of Technology, 412 96 Gothenburg, Sweden;5. DONG Energy Wind Power, Denmark;6. Technische Universität Dresden, 01062 Dresden, Germany;7. Swedish Energy Institute, Stockholm, Sweden;8. Federal University of Itajubá, Brazil;9. Gent University, Campus Kortrijk, Belgium;1. Extended Energy Big Data and Strategy Research Center, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao, China;2. Shandong Energy Institute, Qingdao, China;3. Qingdao New Energy Shandong Laboratory, Qingdao, China;4. School of Chemical and Environmental Engineering, China University of Mining and Technology - Beijing Campus, Beijing, China;5. MOE Key Laboratory of Resources and Environmental System Optimization, School of Environmental Science and Engineering, North China Electric Power University, Beijing, China;6. School of Rail Transportation, Soochow University, Soochow, China;7. State Key Laboratory of Clean and Efficient Coal Utilization, Taiyuan University of Technology, Taiyuan, China;8. Key Laboratory of Coal Science and Technology, Ministry of Education, Taiyuan University of Technology, Taiyuan, China;1. Department of Electrical Engineering, Miyaneh Branch, Islamic Azad University, Miyaneh, Iran;2. Holcombe Department of Electrical and Computer Engineering, Clemson University, USA;3. School of Computing, Clemson University, USA |
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| Abstract: | Hybrid renewable energy systems (HRES) should be designed appropriately with an adequate combination of different renewable sources and various energy storage methods to overcome the problem of intermittency of renewable energy resources. Focusing on the inevitable impact on the grid caused by strong randomicity and apparent intermittency of photovoltaic (PV) generation system, modeling and control strategy of pure green and grid-friendly hybrid power generation system based on hydrogen energy storage and supercapacitor (SC) is proposed in this paper. Aiming at smoothing grid-connected power fluctuations of PV and meeting load demand, the alkaline electrolyzer (AE) and proton exchange membrane fuel cell (PEMFC) and SC are connected to DC bus of photovoltaic grid-connected generation system. Through coordinated control and power management of PV, AE, PEMFC and SC, hybrid power generation system friendliness and active grid-connection are realized. The validity and correctness of modeling and control strategies referred in this paper are verified through simulation results based on PSCAD/EMTDC software platform. |
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| Keywords: | Photovoltaic Alkaline electrolyzer PEM fuel cell Supercapacitor Modeling and control Grid-connected generation system |
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