Selection of Heat Pump Capacity Used at Thermal Power Plants under Electricity Market Operating Conditions

Treshcheva, Milana; Аникина, Ирина; Сергеев, В. В.; Skulkin, Sergey; Treshchev, D. A.

doi:10.3390/en14010226

Cited by 10 publications

(3 citation statements)

References 29 publications

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“…The type of fuel used (X1) has the smallest sum of ranks, thus being the most significant factor affecting the specific fuel consumption (X3) [ 34 ], the specific water consumption (X5) [ 46 ], the composition and structure of toxic emissions (X19) [ 41 ], the composition and structure of discharges of pollutants into water bodies (X29) [ 42 , 45 ], specific production-related waste generation (X39) and their hazard class (X41) [ 44 ]. In view of the different costs of fuels, it also influences the cost of energy production, for example, the average cost of 1 Btu of coal in 2021 in the United States averaged $1.98, compared to $4.98 for 1 Btu of natural gas [ 47 ].…”

Section: Resultsmentioning

confidence: 99%

Screening of Factors for Assessing the Environmental and Economic Efficiency of Investment Projects in the Energy Sector

Karaeva

Magaril²,

Kiselev³

et al. 2022

IJERPH

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In view of the current agenda in the field of climate and environmental conservation, the requirements for environmental project appraisal are being tightened: the evaluation of environmental indicators of project implementation should be carried out on a par with indicators of its economic performance. Current approaches to the assessment of environmental and economic efficiency do not completely cover the negative environmental impacts of a project’s implementation, and this reduces the effectiveness of the evaluation. Therefore, it is necessary to develop a system of environmental indicators that will address the specifics of the industry. This is made possible on the basis of determining a list of key factors that should be included in the evaluation system. The purpose of this study is to determine the most significant factors for establishing a simple yet thorough assessment framework to evaluate the efficiency of energy investment projects. Research methodology includes an a priori ranking method and analysis of interrelations between factors. Based on the results obtained, the authors have formed a list of key factors that could become the basis of a future system of environmental indicators for the efficiency assessment of energy projects.

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Section: Resultsmentioning

confidence: 99%

Screening of Factors for Assessing the Environmental and Economic Efficiency of Investment Projects in the Energy Sector

Karaeva

Magaril²,

Kiselev³

et al. 2022

IJERPH

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“…It causes a considerable reduction in the electric power supply to the market, and, consequently, income of electric power sales. This may negatively impact the competitiveness of the generating company using HP equipment at TPP [38,39].…”

Section: Methodsmentioning

confidence: 99%

Heat Pump Capacity Selection for TPPs with Various Efficiency Levels

et al. 2022

Self Cite

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The variety of possible solutions for the integration of heat pumps (HP) into the circuits of generation facilities dictates the need for preliminary selection of the most promising options. Determining the maximally economically efficient HP capacity may be the key limiting factor for the potential range of solutions. The purpose of the study is to analyze the influence of the type of power equipment of a thermal power plant (TPP) on the choice of HP capacity. In the course of the study, we identified factors that can influence the choice of HP capacity. The correlation between the limitation of the maximum capacity of HP (from the point of view of break-even operation in the electricity market) from the electric capacity and the efficiency of the TPP equipment was established. The ranges of HP capacity for the most common types of TPP power equipment in the Russian Federation were determined. The maximum HP capacity for TPPs based on a steam turbine unit (STU) of type K-300-170- 1P was determined. The method proposed in the paper allows limiting the number of circuits options, as well as TPPs and external conditions suitable for the use of HP. Firstly, under the conditions of a given power system and fuel prices, it is possible to determine the type of power equipment of a TPP in combination with which HP can be used. Secondly, under the conditions of a given power system and type of equipment, the maximum fuel price at which HP can be used at thermal power plants can be determined. Thirdly, under the conditions of a given type of equipment and fuel price, it is possible to select an energy system (region) in which it is possible to build a TPP with HP. It was found that increasing the efficiency of thermal power plant equipment contributes to increasing the HP power capacity and expanding the range of external conditions under which the use of HP becomes rational. It was verified that for TPP equipment of a given type, the use of HP is more rational when operating in cogeneration mode. It was found that, all other conditions being equal, an essential factor determining the range of HP capacity is the electric capacity of TPPs.

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“…Based on the studies mentioned above, the EB and HP promote the operation flexibility of CHP units, but their economic potential is significantly affected by the capacity, efficiency, and price in the electricity market [23,24]. Therefore, it is necessary to optimize the configuration of the EB or the HP if a CHP plant expects to participate in the peak-shaving ancillary service market to achieve better economic benefits.…”

Section: Introductionmentioning

confidence: 99%

Optimal Configuration of Power-to-Heat Equipment Considering Peak-Shaving Ancillary Service Market

Yu,

Zhou,

et al. 2023

Energies

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The serious problem of wind power curtailment in northern China has created a pressing need to enhance the peak-shaving ability of the power system. As the main source of power supply in northern China, combined heat and power (CHP) units have significant potential for peak-shaving. Currently, the Chinese government encourages CHP plants to increase their peak-shaving capacity by installing power-to-heat (P2H) equipment. In addition, the government has implemented auxiliary service market policies to encourage CHP plants to provide peak-shaving services. In order to maximize economic benefits for CHP plants, this paper proposes an optimal configuration method of P2H equipment with the static payback time (SPT) as the objective function. Cost and income models of installing the P2H equipment are constructed by taking into account the auxiliary service market policies. The peak-shaving income model of the CHP plant is derived emphatically as a key part of the proposed method. Finally, the district heating region in Jilin province is used as a case study example. The results show that adding the P2H equipment is significantly effective in improving the peak-shaving ability of CHP units, and investing in heat pumps is more cost-effective than electric boilers. The proposed method can be applied to other northern regions relying on CHP units for central heating, providing a valuable solution to the problem of wind power curtailment in these regions.

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Selection of Heat Pump Capacity Used at Thermal Power Plants under Electricity Market Operating Conditions

Cited by 10 publications

References 29 publications

Screening of Factors for Assessing the Environmental and Economic Efficiency of Investment Projects in the Energy Sector

Screening of Factors for Assessing the Environmental and Economic Efficiency of Investment Projects in the Energy Sector

Heat Pump Capacity Selection for TPPs with Various Efficiency Levels

Optimal Configuration of Power-to-Heat Equipment Considering Peak-Shaving Ancillary Service Market

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