The comparative effectiveness of serving peak loads in the variants of providing nuclear power plants with a base load

The purpose of the study is to estimate the efficiency of long-distance heat supply from nuclear power plants with the ability to vary the production of heat and electricity. The method of multi-factor system analysis taking into account the real cost of products produced: electricity, network water for heating and hot water supply were used. Differences in revenue from sales of heat and electricity in different months of the heating period, day and night, and also taking into account the forecast for the future, were taken into account. It is shown that only the price method of accounting for production at nuclear power plants by products can really assess the effectiveness of the multi-product production of NPPs.

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Efficiency of flexible operation of cogeneration nuclear power plants

Khrustalev

Garievskii

2020

J. Phys.: Conf. Ser.

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Evaluation of the efficiency of thermal power plants in variable modes taking into account equipment wear

Garievskii

2020

J. Phys.: Conf. Ser.

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A significant share of nuclear generation in total electricity production, an increase in the share of renewable energy sources (wind, solar, etc.), variable electricity consumption schedules and changes in electricity prices in the market necessitate the use of thermal power plants in load control mode. Using the method of calculating equivalent operating hours to account for the reduction of the service life of the main equipment, the efficiency of thermal power plants in variable modes was studied. The equivalent operating hours of the K-300-240 turbine and the prime cost of electricity of the steam turbine power unit were calculated when operating in the nominal and sliding steam pressure mode depending on the level of unloading and the rate of change of output power.

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Study of Thermal Characteristics of a Solid Insulated Cylindrical Heat Accumulator

Purdin¹,

Gariaev²

2023

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Аннотация. В работе обоснована актуальность исследования тепловых характеристик твердого изолированного цилиндрического аккумулятора теплоты, показаны основные направления научно-технических работ в области аккумулирования теплоты. Представлена постановка и обобщенная методика численного решения задачи о распространении колебаний температуры от внутренней поверхности твердого изолированного цилиндрического аккумулятора теплоты. Проведены расчеты и анализ зависимостей средней массовой температуры, теплового потока, их амплитуд и фаз в зависимости от периода колебаний и относительного внутреннего радиуса. Даны определения аккумулятору и стабилизатору теплоты, коэффициенту аккумуляции теплоты. Проведено режимное исследование аккумуляторов теплоты и сделаны выводы об области их эффективной работы. Отмечены характерные особенности теплообмена в твердых изолированных цилиндрических аккумуляторах теплоты.Ключевые слова: теплообмен, аккумуляция теплоты, тепловые волны, установившиеся колебания температуры Благодарности. Работа выполнена при финансовой поддержке Министерства науки и высшего образования России, государственное задание № FSWF-2023-0017.

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The comparative effectiveness of serving peak loads in the variants of providing nuclear power plants with a base load

Cited by 4 publications

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Efficiency of flexible operation of cogeneration nuclear power plants

Efficiency of flexible operation of cogeneration nuclear power plants

Evaluation of the efficiency of thermal power plants in variable modes taking into account equipment wear

Study of Thermal Characteristics of a Solid Insulated Cylindrical Heat Accumulator

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