Assessment of Thermodynamic Efficiency of the Belarusian Energy System. Part 1
The energy system is one of the foundations of a modern state, so, the need for its successful development and functioning is beyond doubt. In this regard, an objective assessment based on a set of indicators (viz. economic, energy and thermodynamic) is relevant. However, the traditional assessment...
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| Format: | Article |
| Language: | Russian |
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Belarusian National Technical University
2023-02-01
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| Series: | Известия высших учебных заведений и энергетических объединенний СНГ: Энергетика |
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| Online Access: | https://energy.bntu.by/jour/article/view/2232 |
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| author | V. N. Romaniuk A. A. Bobich T. V. Ryzhova T. V. Bubyr V. V. Yanchuk Y. S. Yatsukhna |
| author_facet | V. N. Romaniuk A. A. Bobich T. V. Ryzhova T. V. Bubyr V. V. Yanchuk Y. S. Yatsukhna |
| author_sort | V. N. Romaniuk |
| collection | DOAJ |
| description | The energy system is one of the foundations of a modern state, so, the need for its successful development and functioning is beyond doubt. In this regard, an objective assessment based on a set of indicators (viz. economic, energy and thermodynamic) is relevant. However, the traditional assessment of the operation of the energy system is carried out on the basis of such characteristics as the specific consumption of conventional fuel for electricity generation and heat release, which does not provide a comprehensive picture and is not always applied correctly. In this article, for the first time on the basis of the exergetic method, the calculation of the exergetic efficiency is considered. The use of this indicator makes it possible to obtain an objective assessment of the thermodynamic efficiency of such a complex formation as the energy system of a modern country in the easiest way. As an example, the unified energy system of Belarus in general and condensing power plants in particular have been analyzed for a fairly long period (2000–2021) and in various characteristic time periods. The method of calculating the exergetic efficiency is described. The results obtained are presented graphically. Attention is paid to the issue of the acceptability of the error when generalizing data on the initial flows of primary energy resources and product flows of centralized generating sources of the energy system. The contribution of condensing power plants to the total volume of electricity generation is analyzed, the most advanced of them are determined from a thermodynamic point of view. The calculation of their energy and exergetic indicators was carried out; the changes associated with the commissioning of the Belarusian NPP were considered. The conclusion is made that further reconstruction of energy sources of the power system in order to reduce the relative weight of natural gas in the incoming part of the energy balance to 50 % is expedient. This can be achieved by increasing the thermodynamic efficiency. |
| format | Article |
| id | doaj-art-2eade91b1a4947648f778e856380e70d |
| institution | Kabale University |
| issn | 1029-7448 2414-0341 |
| language | Russian |
| publishDate | 2023-02-01 |
| publisher | Belarusian National Technical University |
| record_format | Article |
| series | Известия высших учебных заведений и энергетических объединенний СНГ: Энергетика |
| spelling | doaj-art-2eade91b1a4947648f778e856380e70d2025-02-03T05:20:03ZrusBelarusian National Technical UniversityИзвестия высших учебных заведений и энергетических объединенний СНГ: Энергетика1029-74482414-03412023-02-01661445610.21122/1029-7448-2023-66-1-44-561839Assessment of Thermodynamic Efficiency of the Belarusian Energy System. Part 1V. N. Romaniuk0A. A. Bobich1T. V. Ryzhova2T. V. Bubyr3V. V. Yanchuk4Y. S. Yatsukhna5Belаrusian National Technical UniversityBelаrusian National Technical UniversityBelаrusian National Technical UniversityBelаrusian National Technical UniversityBelаrusian National Technical UniversityBelаrusian National Technical UniversityThe energy system is one of the foundations of a modern state, so, the need for its successful development and functioning is beyond doubt. In this regard, an objective assessment based on a set of indicators (viz. economic, energy and thermodynamic) is relevant. However, the traditional assessment of the operation of the energy system is carried out on the basis of such characteristics as the specific consumption of conventional fuel for electricity generation and heat release, which does not provide a comprehensive picture and is not always applied correctly. In this article, for the first time on the basis of the exergetic method, the calculation of the exergetic efficiency is considered. The use of this indicator makes it possible to obtain an objective assessment of the thermodynamic efficiency of such a complex formation as the energy system of a modern country in the easiest way. As an example, the unified energy system of Belarus in general and condensing power plants in particular have been analyzed for a fairly long period (2000–2021) and in various characteristic time periods. The method of calculating the exergetic efficiency is described. The results obtained are presented graphically. Attention is paid to the issue of the acceptability of the error when generalizing data on the initial flows of primary energy resources and product flows of centralized generating sources of the energy system. The contribution of condensing power plants to the total volume of electricity generation is analyzed, the most advanced of them are determined from a thermodynamic point of view. The calculation of their energy and exergetic indicators was carried out; the changes associated with the commissioning of the Belarusian NPP were considered. The conclusion is made that further reconstruction of energy sources of the power system in order to reduce the relative weight of natural gas in the incoming part of the energy balance to 50 % is expedient. This can be achieved by increasing the thermodynamic efficiency.https://energy.bntu.by/jour/article/view/2232energy systemexergyexergetic efficiencythermodynamic efficiencyanalysiscondensing power plantsbelarusian npp |
| spellingShingle | V. N. Romaniuk A. A. Bobich T. V. Ryzhova T. V. Bubyr V. V. Yanchuk Y. S. Yatsukhna Assessment of Thermodynamic Efficiency of the Belarusian Energy System. Part 1 Известия высших учебных заведений и энергетических объединенний СНГ: Энергетика energy system exergy exergetic efficiency thermodynamic efficiency analysis condensing power plants belarusian npp |
| title | Assessment of Thermodynamic Efficiency of the Belarusian Energy System. Part 1 |
| title_full | Assessment of Thermodynamic Efficiency of the Belarusian Energy System. Part 1 |
| title_fullStr | Assessment of Thermodynamic Efficiency of the Belarusian Energy System. Part 1 |
| title_full_unstemmed | Assessment of Thermodynamic Efficiency of the Belarusian Energy System. Part 1 |
| title_short | Assessment of Thermodynamic Efficiency of the Belarusian Energy System. Part 1 |
| title_sort | assessment of thermodynamic efficiency of the belarusian energy system part 1 |
| topic | energy system exergy exergetic efficiency thermodynamic efficiency analysis condensing power plants belarusian npp |
| url | https://energy.bntu.by/jour/article/view/2232 |
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