Techno-economic analysis and optimization of a proposed solar-wind-driven multigeneration system; case study of Iran |
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| Affiliation: | 1. School of Electrical and Information, Jilin Engineering Normal University, Changchun, 130052, China;2. School of Materials Science and Engineering, Changchun University of Science and Technology, Changchun, 130022, China;3. School of Metallurgy, Northeastern University, Shenyang, 110819, China;1. GRIMAT Engineering Institute Co., Ltd., Beijing 101407, China;2. GRINM Group Co., Ltd., National Engineering Research Center of Nonferrous Metals Materials and Products for New Energy, Beijing 100088, China;3. Department of Functional Material Research, Central Iron and Steel Research Institute, Beijing 100081, China;4. State Key Laboratory of Advanced Special Steels & Shanghai Key Laboratory of Advanced Ferrometallurgy, School of Materials Science and Engineering, Shanghai University, Shanghai 200444, China;1. Laboratory of Environmental Process Engineering, Department of Chemical Engineering, Faculty of Process Engineering, University Constantine 3 Salah Boubnider, P.O. Box 72, 25000 Constantine, Algeria;2. Chemical Engineering Department, College of Engineering, King Saud University, P.O. Box 800, 11421 Riyadh, Saudi Arabia;3. National Institute of Advanced Industrial Science and Technology (AIST), 4-205 Sakurazaka, Moriyama-ku, Nagoya 463-8560, Japan;4. School of Chemistry, University of Melbourne, Parkville, Victoria 3010, Australia;1. School of Metallurgy, Northeastern University, Shenyang 110819, China;2. College of Materials Science and Engineering, Chongqing University, Chongqing 400044, China;1. Ajou University, Department of Public Administration, 206 Worldcup-ro, Yeongtong-gu, Suwon, Gyeonggi-do 16499, Republic of Korea;2. Changwon Research Institute, City Planning Research Center, 848 Wonidae-ro, Sungsan-gu, Changwon-si, Gyeongsangnam-do 51500, Republic of Korea;3. Gwangju-Junnam Research Institute, Todam Rich Tower 7～8F, 56, Ujeong-ro, Naju-si, Jeollanam-do, 58217, Republic of Korea;4. Sungkyul University, Department of Public Administration, 53 Sungkyuldaehak-ro, Manan-gu, Anyang, Gyeonggi-do 14097, Republic of Korea;1. School of Electrical Engineering, Xi''an University of Technology, Xi''an 710048, China;2. School of Electrical and Electronic Engineering, Nanyang Technological University, 639798, Singapore |
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| Abstract: | This paper performs a thermo-economic assessment of a multi-generation system based on solar and wind renewable energy sources. This system works to generate power, freshwater, and hydrogen, which consists of the following parts: the solar collectors, Steam Rankine subsystem, Organic Rankine subsystem, desalination part, and hydrogen production and compression unit. Initially, the effects of variables including reference temperature, solar radiation intensity, wind speed, and solar cycle mass flow rate, which depend on weather conditions and affect the performance of the integrated system, were investigated. The thermodynamic analysis results showed that the overall study's exergy efficiency, the rate of hydrogen and freshwater production, and total cost rate are 33.3%, 7.92 kg/h, 1.6398 kg/s, and 61.28 $/h, respectively. Also, the net power generation rate in the Steam and Organic Rankine subsystems and wind turbines are 315 kW, 326.52 kW, and 226 kW, respectively. The main goal of this study is to minimize the total cost rate of the system and maximize the exergy efficiency and hydrogen and freshwater production rate of the total system. The results of optimization showed that the exergy efficiency value improved by 20.7%, the hydrogen production rate increased by 1%, and the total cost rate value declined by 2%. Moreover, the optimum point is similar to a region in Hormozgan province, Iran. So, this region is proposed for building the power plant. |
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| Keywords: | Solar energy Parabolic through collectors Wind energy PEM electrolyzer Humidifier dehumidifier desalination |
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