Abstract
The technology of use of electric power of the wind power plants for direct replacement of fuel in the thermal cycles of the heat power plants is offered in the paper. The technology avoids solving the problems of ensuring the quality of electricity and the operational redundancy of the wind power in the power systems, as well as permits combining the achievements of traditional (gas turbine and steam and gas technologies, combined-cycle technologies and heating) and non-traditional renewable energy. The energy and environmental effects from the application of the proposed technology are shown, the technological advantages of the proposed schemes are considered, providing them with a wide scope of practical use both in local and in large power systems. The implementation and development of the proposed technology will allow extending and expanding business for manufacturers of steam turbine and gas turbine equipment, including the transition to the hydrogen power. The proposed technologies are protected by the patent.
Highlights
The wind energy, due to its wide prevalence and relatively high energy flux density, is the most promising resource of all non-traditional and renewable energy sources (RES) for many countries, including Russia
The proposed integrated scheme of power supply on the basis of CHP and wind power plants (WPP) allow combining achievements of traditional and renewable energy, and not to oppose them to each other, as it is usually done in practice, when WPP has to compete with fuel-efficient CCGT-CHP
Substitution, for example, 50% of the fuel used in CCGT-CHP with the unstabilized electricity of WPP is more favorable in the respect energetics than two-fold increase in the efficiency of the gas turbine part of the CCGT-CHP, because the same fuel consumption of thermal and electrical capacity of CCGT+WPP will be higher
Summary
The wind energy, due to its wide prevalence and relatively high energy flux density, is the most promising resource of all non-traditional and renewable energy sources (RES) for many countries, including Russia. The experience of Denmark, the country that has achieved the greatest success in the use of the wind energy (20% of the electricity consumed by the country, is generated at the wind farms), indicates that the problem of regulating the current and voltage of the wind farms is the main one [4, 8] This is despite the fact, that Denmark has strong electrical connections with Europe and is characterized by large power of the hydropower plants. The comparative analysis shows that power systems, which have a significant potential for using the wind farms in Russia, are small and often based on one or more small diesel power plants In such EPSs, the quality of electricity, as a rule, is low even without wind farms, and they do not have the ability to damp additional power fluctuations in the power system, which places high demands for generating sources, including the stability of the power output and the quality of electricity. The most efficient for the climatic conditions of Russia heating (cogeneration) technology is used in the heat supply sector that provides significant savings of the organic fuels, obtained in the process of the combined production of thermal and electric energy at the cogeneration plants (CHPs)
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