The article discusses the prospects for the development of the heat and power industry in the Republic of Uzbekistan. It was noted that according to the development concept of the Republic of Uzbekistan until 2035, the expected growth in electricity consumption in the Republic will be approximately from 2000 to 3156 kWh/person. This growth in electricity production is planned to be achieved by increasing the production of renewable energy sources (RES) in the structure of generating capacities from 12.7% to 19.7% by 2025, upgrading existing plants, building new combined-cycle gas plants (CCGPs) and further construction of a nuclear power plant (NPP). Given that in the coming years to 85% of the thermal and electric energy in the Republic is generated in thermal power stations that use natural energy resources such natural gas, coal and fuel oil, and also given the greater depreciation of equipment stations and as a consequence their low efficiency, the authors emphasize the importance of using to generate these types of energy modern combined cycle technology. It is indicated that currently there is a wide technical and industrial cooperation of the main foreign gas turbine manufacturers in the world. In the world, the main manufacturers of such equipment are three companies - General Electric (USA), Siemens - Westinghouse (Germany - USA) and Alstom (France, Switzerland, Sweden). Variants of combined steam and gas turbine units (GTU) have been developed. As a result of the GTU operation, the gases used in the installation were proposed to be used in the steam power cycle. Advantages of CCGP: combined-cycle plants can achieve an electric efficiency of more than 60 %. For comparison, the efficiency of steam power plants operating separately is usually in the range of 33-4 %, for gas turbine plants - in the range of 28-42 %; low cost per unit of installed capacity; combined-cycle plants consume significantly less water per unit of electricity generated compared to steam power plants; short construction time (9-12 months); there is no need for constant fuel supply by railway or sea transport; compact dimensions allow you to build directly at the consumer (factory or inside the city), which reduces the cost of power lines and transportation of electric energy; more environmentally friendly compared to steam power plants. The disadvantages of CCGP include: the need to filter the air used for fuel combustion; restrictions on the types of fuel used. As a rule, natural gas is used as the main fuel, and diesel fuel is used as a backup fuel. The use of coal as fuel is only possible in installations with in-cycle coal gasification, which greatly increases the cost of building such power plants. This implies the need to build expensive fuel transportation communications - pipelines; seasonal capacity restrictions. maximum performance in winter. However, despite the listed disadvantages of CCGP, at this stage of development of the Republic, combined-cycle plants can produce electricity with a high efficiency, thereby significantly saving natural gas. Approximate calculations show that the technical re-equipment of the domestic heat power industry using gas-turbine and combined-cycle technologies and environmental protection equipment developed in the world will allow saving natural gas annually in the amount of approximately 1010 m3, which in monetary terms will amount to 3 trillion soums. In General, it is concluded that 1.to solve the country's energy problems, it is necessary to accelerate the introduction of REI, technically re-equip the domestic heat and power industry using gas turbine and combined-cycle technologies developed in the world. 2.in power plants where the fuel balance contains a large proportion of fuel oil or coal, but there is also natural gas, in an amount sufficient to power the gas turbine, it may be advisable to thermodynamically more efficient gas turbine superstructures. 3.to implement the tasks of modernization and reconstruction, involve the private sector in the energy sector on the basis of public-private partnership. Create the necessary regulatory framework and technical infrastructure.
| Mualliflar | Abbasov, Yorkin, Umurzakova , Muyassar, Аббасов , Ёркин, Умурзакова , Муяссар, Аббосов , Ёрқин, Умрзақова , Муяссар |
|---|---|
| Jurnal | Жамият ва инновациялар / Общество и инновации / Society and innovations |
| Nashr sanasi | 2020-11-18 |
| Jild | 1 |
| Son | 2 |
| Betlar | 10-22 |
| Til | Rus |
| DOI | 10.47689/2181-1415-vol1-iss2-pp10-22 |
DOI: 10.47689/2181-1415-vol1-iss2-pp10-22 · Maqolaning asl sahifasi
Тепловая электрическая энергия, Тепловые электрические станции, Гидроэнергетика, Гелиотермальные установки, Парогазовые технологии Топливно, Энергетические ресурсы, Газотурбинные установки, К.П.Д., Heat, Electrical energy, Thermal power plants, Hydropower, Solar thermal installation, Combined-cycle technology, Fuel and energy resources, Steam-turbine stations, Gas-turbine stations, Efficiency, Иссиқлик, Електр енергияси, Иссиқлик електр стансиялари, Гидроенергетика, Қуёш иссиқлик ўрнатиш, Буғ-газ технологияси, Ёқилғи ва енергия ресурслари, Буғ-турбина қурилмалар, Газ-турбина қурилмалар, Самарадорлик
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