Abstract
The present work examines average relative capital investment and fuel consumption for electric and thermal energy supply of the combined-cycle plants having 30–125 MW gas turbines commissioned at Russian thermal power plants in 2015–2020. In this work, we used general calculation methods of average relative capital investments and fuel consumption for the electrical and thermal energy supply using power equipment of thermal power plants. To assess the scope of commissioning gas turbines incorporated into the combined-cycle plants, they were classified into three groups by electrical power: 30–59 MW, 60–99 MW and 100–125 MW. The scope of commissioning gas turbines incorporated into the Russian combined-cycle plants in 2015–2020 was analysed. The average relative capital invest-ment in combined-cycle plants having 30–125 MW gas turbines, as well as the average specific fuel consumption for the electrical and thermal energy supply, were calculated. The calculations were carried out for each part of combined-cycle plants integrated into thermal power plants with a breakdown by seven Unified Energy Systems of Russia. The quantita-tive commissioning of gas turbines is compared for the periods from 2010 to the economic crisis of 2014 and after 2014 to the present: a ~2.5-fold decrease is demonstrated. A preliminary evaluation of the increase in average relative capital investment in combined-cycle plants having gas turbines of the same electric power was performed.
Highlights
Determination of average relative capital investment of 30–125 MW combined-cycle plants commissioned at Russian thermal power plants in 2015–2020
The present work examines average relative capital investment and fuel consumption for electric and thermal energy supply of the combined-cycle plants having 30–125 MW gas turbines commissioned at Russian thermal power plants in 2015–2020
Целью данных исследований являлось определение «средних удельных капитальных вложений и средних удельных расходов топлива на отпуск электрической и тепловой энергии для введенных за этот период блоков парогазовых установок (ПГУ) по объединенным энергетическим системам (ОЭС) Российской Федерации (РФ), а также их анализ и сравнение с данными по вводам в эксплуатацию газовых турбин» [9] за период с 2010 по 2014 г
Summary
Determination of average relative capital investment of 30–125 MW combined-cycle plants commissioned at Russian thermal power plants in 2015–2020. The present work examines average relative capital investment and fuel consumption for electric and thermal energy supply of the combined-cycle plants having 30–125 MW gas turbines commissioned at Russian thermal power plants in 2015–2020. The average relative capital investment in combined-cycle plants having 30–125 MW gas turbines, as well as the average specific fuel consumption for the electrical and thermal energy supply, were calculated. P. Determination of average relative capital investment of 30–125 MW combined-cycle plants commissioned at Russian thermal power plants in 2015–2020. ВВЕДЕНИЕ Газотурбинные установки (ГТУ), работающие в составе парогазовых установок (ПГУ) или эксплуатируемые как отдельное энергетическое оборудование, активно применяются в энергетике как в России, так и в других странах. ГТУ могут входить как в состав тепловых электрических станций (ТЭС), так и эксплуатироваться как отдельное энергетическое производство, работая на собственные нужды или общие электрические и тепловые сети. ГТУ часто эксплуатируются в режиме когенерации, обеспечения потребителей электрической и тепловой энергией [6,7,8]
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