Abstract
This article examines the influence of energy storage on the possibility of increasing the efficiency of a power plant on the example of the model of the power system of the Taimyr coal basin. The main elements of the power system calculated in this paper included: household consumers (township of Dixon), industrial consumers (coal mining enterprises), sources of thermal and electric energy (coal-fired combined heat and power plant). Storage equipment was selected for the storage of thermal and electrical energy in the power system, such as energy storage systems based on lithium-ion batteries and hot water storage tanks. The changes in the operation modes of the combined heat and power plant during the introduction of battery systems in the power system were evaluated, and the efficiency of the combined heat and power plant was calculated for various modes of energy storage.
Highlights
The consumption of heat and electricity by industrial and household consumers of energy is uneven during the day
The study was conducted on a mathematical model of the power system, namely the power system of the Taimyr coal basin.A model for calculating the operating modes of the CHPP was developed in an Excel program
The main elements of the power system include the town of Dixon, mining coal enterprises, coal-fired steam turbine CHPP with rated electric power of 82 MW, and a rated thermal power of 153 MW (177.4 Gcal/h).The values of thermal and electric load of consumers are determined by aggregated indicators
Summary
The consumption of heat and electricity by industrial and household consumers of energy is uneven during the day. Use of energy storage systems.The first direction is related to the concepts of the "Internet of energy" and "demand response" The disadvantage of this direction is the restriction for consumers in the use of energy, which can negatively affect technological processes and creates a number of problems for consumers [1, 8].The second direction is associated with the use of two or more generation sources, one of which is the main. The third direction is associated with the use of energy storage systems in energy systems
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