Justification of the power of the heat pump used in the cooling system of the steam turbine condenser of the CCGT-CHP
THE PURPOSE. Determination of the permissible power of the heat pump (HP) used in the cooling system of the steam turbine condenser for a thermal power plant (TPP) based on double-circuit combined-cycle gas turbine (CCGT).METHODS. Mathematical modeling of the operating modes of a heating CCGT with a...
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| Format: | Article |
| Language: | English |
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Kazan State Power Engineering University
2022-05-01
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| Series: | Известия высших учебных заведений: Проблемы энергетики |
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| Online Access: | https://www.energyret.ru/jour/article/view/2154 |
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| author | M. A. Treshcheva I. D. Anikina D. A. Treshchev |
| author_facet | M. A. Treshcheva I. D. Anikina D. A. Treshchev |
| author_sort | M. A. Treshcheva |
| collection | DOAJ |
| description | THE PURPOSE. Determination of the permissible power of the heat pump (HP) used in the cooling system of the steam turbine condenser for a thermal power plant (TPP) based on double-circuit combined-cycle gas turbine (CCGT).METHODS. Mathematical modeling of the operating modes of a heating CCGT with a HP in the cooling system was used as a research method. The research was conducted using statistical data on technical parameters and economic indicators of CCGT-450, for climatic and market conditions of St. Petersburg. The research of the most characteristic modes of operation of the main power equipment, in the annual context, was carried out. The maximum permissible capacity of the HP, from the point of view of the organization of stable heat supply to the consumer, available low-potential resources and breakeven operation of TPP in the electricity market was determined.RESULTS. It was found that lowpotential energy resources in the cooling system of the steam turbine condenser are formed in significant volumes and the thermal power of the consumer is consistently high, including in summer. Therefore, market restrictions related to the break-even operation of TPP in the wholesale electricity market are the most essential condition determining the permissible level of HP power. It was found that for the object of study, with an average annual electrical capacity of 650 MW, the maximum power of the HP is 160 MW.CONCLUSION. The main factors limiting the permissible level of HP power were analyzed using the example of a real power facility. A direct connection between the maximum capacity of the HP and external economic conditions, as well as the level of energy efficiency of the TPP equipment was established. This approach can be used to select and justify the HP capacity regardless of the location region, the type of power system, the cost of energy resources, market conditions, as well as the type and characteristics of the equipment used. |
| first_indexed | 2024-03-12T05:31:57Z |
| format | Article |
| id | doaj.art-e7a222f855744104bfbc361a649e7624 |
| institution | Directory Open Access Journal |
| issn | 1998-9903 |
| language | English |
| last_indexed | 2024-03-12T05:31:57Z |
| publishDate | 2022-05-01 |
| publisher | Kazan State Power Engineering University |
| record_format | Article |
| series | Известия высших учебных заведений: Проблемы энергетики |
| spelling | doaj.art-e7a222f855744104bfbc361a649e76242023-09-03T06:54:07ZengKazan State Power Engineering UniversityИзвестия высших учебных заведений: Проблемы энергетики1998-99032022-05-01241617310.30724/1998-9903-2022-24-1-61-73822Justification of the power of the heat pump used in the cooling system of the steam turbine condenser of the CCGT-CHPM. A. Treshcheva0I. D. Anikina1D. A. Treshchev2Peter the Great St. Petersburg Polytechnic UniversityPeter the Great St. Petersburg Polytechnic UniversityPeter the Great St. Petersburg Polytechnic UniversityTHE PURPOSE. Determination of the permissible power of the heat pump (HP) used in the cooling system of the steam turbine condenser for a thermal power plant (TPP) based on double-circuit combined-cycle gas turbine (CCGT).METHODS. Mathematical modeling of the operating modes of a heating CCGT with a HP in the cooling system was used as a research method. The research was conducted using statistical data on technical parameters and economic indicators of CCGT-450, for climatic and market conditions of St. Petersburg. The research of the most characteristic modes of operation of the main power equipment, in the annual context, was carried out. The maximum permissible capacity of the HP, from the point of view of the organization of stable heat supply to the consumer, available low-potential resources and breakeven operation of TPP in the electricity market was determined.RESULTS. It was found that lowpotential energy resources in the cooling system of the steam turbine condenser are formed in significant volumes and the thermal power of the consumer is consistently high, including in summer. Therefore, market restrictions related to the break-even operation of TPP in the wholesale electricity market are the most essential condition determining the permissible level of HP power. It was found that for the object of study, with an average annual electrical capacity of 650 MW, the maximum power of the HP is 160 MW.CONCLUSION. The main factors limiting the permissible level of HP power were analyzed using the example of a real power facility. A direct connection between the maximum capacity of the HP and external economic conditions, as well as the level of energy efficiency of the TPP equipment was established. This approach can be used to select and justify the HP capacity regardless of the location region, the type of power system, the cost of energy resources, market conditions, as well as the type and characteristics of the equipment used.https://www.energyret.ru/jour/article/view/2154energy resourcesenergy efficiencyheat pumpthermal power plantelectricity marketregional electric power industry |
| spellingShingle | M. A. Treshcheva I. D. Anikina D. A. Treshchev Justification of the power of the heat pump used in the cooling system of the steam turbine condenser of the CCGT-CHP Известия высших учебных заведений: Проблемы энергетики energy resources energy efficiency heat pump thermal power plant electricity market regional electric power industry |
| title | Justification of the power of the heat pump used in the cooling system of the steam turbine condenser of the CCGT-CHP |
| title_full | Justification of the power of the heat pump used in the cooling system of the steam turbine condenser of the CCGT-CHP |
| title_fullStr | Justification of the power of the heat pump used in the cooling system of the steam turbine condenser of the CCGT-CHP |
| title_full_unstemmed | Justification of the power of the heat pump used in the cooling system of the steam turbine condenser of the CCGT-CHP |
| title_short | Justification of the power of the heat pump used in the cooling system of the steam turbine condenser of the CCGT-CHP |
| title_sort | justification of the power of the heat pump used in the cooling system of the steam turbine condenser of the ccgt chp |
| topic | energy resources energy efficiency heat pump thermal power plant electricity market regional electric power industry |
| url | https://www.energyret.ru/jour/article/view/2154 |
| work_keys_str_mv | AT matreshcheva justificationofthepoweroftheheatpumpusedinthecoolingsystemofthesteamturbinecondenseroftheccgtchp AT idanikina justificationofthepoweroftheheatpumpusedinthecoolingsystemofthesteamturbinecondenseroftheccgtchp AT datreshchev justificationofthepoweroftheheatpumpusedinthecoolingsystemofthesteamturbinecondenseroftheccgtchp |