Comprehensive assessment of system efficiency and competitiveness of nuclear power plants in combination with hydrogen complex |
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| Affiliation: | 1. Institute of Advanced Optical Technologies ? Thermophysical Properties (AOT-TP), Department of Chemical and Biological Engineering (CBI) and Erlangen Graduate School in Advanced Optical Technologies (SAOT), Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Paul-Gordan-Straße 8, 91052 Erlangen, Germany;2. Professorship Applied Thermodynamics, Faculty of Mechanical Engineering, Technische Universität Chemnitz, Reichenhainer Straße 70, 09126 Chemnitz, Germany;3. Institute of Chemical Reaction Engineering (CRT), Department of Chemical and Biological Engineering (CBI), Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Egerlandstraße 3a, 91058 Erlangen, Germany;1. New Energy Materials Research Center, College of Materials and Environmental Engineering, Hangzhou Dianzi University, Hangzhou 310018, PR China;2. School of Materials Science and Engineering, Zhejiang University, Hangzhou 310027, PR China;3. Shanghai Synchrotron Radiation Facility, Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai 201203, PR China;1. School of Chemical Engineering and Technology, Xi''an Jiaotong University, Xi''an, Shaanxi, 710049, PR China;2. Instrument Analysis Center of Xi''an Jiaotong University, Xi''an, Shaanxi 710049, PR China;1. Department of Chemistry and Chemical Technologies, Università della Calabria - Via Pietro Bucci 14/D, Rende CS, 87036 Arcavacata di Rende (CS), Italy;2. National Reference Centre for Electrochemical Energy Storage (GISEL)-INSTM, Via G. Giusti 9, 50121, Firenze, Italy;3. Coriolan Dr?gulescu” Institute of Chemistry - Bv. Mihai Viteazul, No.24, RO-300223, Timisoara, Romania;4. Department of Physics, Università della Calabria, Via Pietro Bucci cubo 31C, 87036 Arcavacata di Rende (CS), Italy;5. CNISM - Consorzio Nazionale Interuniversitario per le Scienze fisiche della Materia, Via della Vasca Navale 84, 00146 Roma (RM), Italy;6. Consiglio Nazionale delle Ricerche, Istituto di Nanotecnologia (Nanotec)-UoS Cosenza, Via Ponte P. Bucci, Cubo 31C, 87036 Arcavacata di Rende, CS, Italy;1. National and Local Joint Engineering Research Center of Lithium-ion Batteries and Materials Preparation Technology, Key Laboratory of Advanced Battery, Materials of Yunnan Province, Faculty of Materials Science and Engineering, Kunming University of Science and Technology, Kunming, 650093, China;2. Faculty of Metallurgical and Energy Engineering, Kunming University of Science and Technology, Kunming, 650093, China |
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| Abstract: | The strategy provides construction and commissioning of a number of new nuclear power units for the development of nuclear energy in Russia. The share of nuclear power plants increase in the energy systems of Russia is predicted from 19 to 22% in the future, up to 2050. Nuclear power plants planned to involve in the primary frequency control at the same time. All these circumstances exacerbate the problem of providing nuclear power plants with a basic electrical load in the night period, including during the daily period. The energy strategy of Russia provides for the production of hydrogen by low-carbon methods, one of which is water electrolysis using nuclear power. Hydrogen production is included in the development strategy of the at operating Russian NPPs. Hydrogen production planned at the Kola NPP by water electrolysis. Thus, the article provides a rationale for the effectiveness of combining nuclear power plants with a hydrogen complex based on the production of hydrogen by electrolysis of water. The effectiveness substantiated of the new principle of combination with overheating of the working fluid steam turbine cycle of the NPP taking into account the safety of handling hydrogen. A new system proposed for the combustion of hydrogen in oxygen, which makes it possible to overheat the working fluid of the NPP steam turbine cycle with undissociated steam, which significantly reduces the content of unreacted hydrogen in the working fluid flow. In addition, a system was developed and proposed for removing unreacted hydrogen and oxygen from the steam phase of the working fluid of the NPP steam turbine cycle. Thermodynamic and technical-economic new estimates are presented and analyzed of the efficiency of combining NPP with a hydrogen complex. |
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| Keywords: | Nuclear power plant Hydrogen complex System efficiency Competitiveness Safety |
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