name
Uskov Anton Evgenyevich
Scholastic degree
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Academic rank
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Honorary rank
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Organization, job position
• Kuban State Agrarian University
старший преподаватель
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Articles count: 16
Сформировать список работ, опубликованных в Научном журнале КубГАУ
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SOLAR PHOTO-ELECTRIC STATIONS AS A BASIC ENERGY SOURCE
DescriptionNowadays, for maintenance of uninterrupted electro supply we found the most actual using sources of re-newed power; however, their application for electro supply of agricultural consumers is limited to a line of ecological and economic problems of the accumulators connected first of all with use. In the article we present one of the variants of the decision of the designated problems
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THE STATIC CONVERTER, REQUIREMENTS AND CONSTRUCTIVE DIFFERENCES
DescriptionIn the article we have considered the basic advantages of the choice of parameters of static converters, as well as the basic classifications of static converters
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Description
The article considers the main types of wind and solar electric installations, and provides a comparative analysis of the renewable energy potential of the Krasnodar region. Currently, people of the Earth cannot live without electricity. Production and consumption of electricity is constantly increasing, and the cost of it is constantly becoming more expensive. The cost of oil production (cost to get oil out of the ground) increases constantly. The cost of electricity is going up because the cost of basic materials, such as copper, is at an unprecedented high level. Such alternative energy sources, such as solar and wind, are real solutions to these problems, moreover, the cost of "traditional" energy sources will only increase. To date, the most popular and invest renewable energy sources are the solar and wind power. Solar energy in the Krasnodar region is more profitable than wind one, despite the fact that the production of solar installations is more expensive. But every year the price of solar energy is reduced and soon will be equal to the price of wind energy, and science and technology do not stand still, so when there is such an abundance of sunlight in the Krasnodar region, the solar installation will pay off much faster
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PHOTOVOLTAIC PLANTS: PROSPECTS, ADVANTAGES, DISADVANTAGES AND THEIR CHARACTERISTICS
DescriptionAnalysis of scientific literature has shown a promising direction in energy saving and in increasing of efficiency of power supplies remote from external networks in Russia is the application of solar photovoltaic power plants. The level of solar radiation on the territory of Russia varies widely from 810 kWh/m2 per year in remote Northern areas to 1,400 kWh/m2 per year in southern areas. We have revealed their main advantages and disadvantages of solar photovoltaic power plants, as well as the purpose, basic features, features selection and operation of inverters and batteries. We have also given a generalized block diagram of three types of solar photovoltaic power plants: autonomous, standby, network. The peculiarities of their work have been presented. To improve the reliability of operation of solar power plants we need to design them according to the modular principle. Modular aggregation has to be applied for stand-alone inverters, where the input and output filters, power electronic circuit and system voltage regulation and protection represent the functional module elements. It is possible to increase significantly the reliability of autonomous inverters and solar PV systems in the complex, using one-phase and three-phase transformers with rotating magnetic field in their design. The advantages and the disadvantages, the peculiarities of the solar PV plants discussed in the article will allow to develop their structural and circuit designs with improved maintenance characteristics in the future
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TO THE QUESTION OF THE ESTIMATION OF THE SOLAR ENERGY
DescriptionIt is known that today one of the promising areas to effectively solve issues of energy saving, is the introduction of renewable energy sources. Despite the fact that the current solar PV stations have the main drawback associated with the high cost, the prospects of their application in autonomous systems of electrosupply are evident when they are used in combined (hybrid) systems. In such systems there may be other types of renewable and traditional sources of electricity. In addition, they produce heat. We have disclosed prospects of solar industry, and also, for solar energy assessment, we have examined analytical expressions allowing defining the energy derived from solar radiation for specific surfaces. Calculations start from obtaining statistical data gathered at meteorological stations which keeps records of the intensity of the total (direct plus diffuse) radiation on a horizontal surface, and the intensity of direct solar radiation. The article presents features of the calculation taking into account the climatic and territorial conditions on the example of the Krasnodar region. The given calculation procedure is the first stage for designing solar power plants. Further, the total capacity is determined by electricity consumers, as well as the quality requirements of electricity, including continuity of supply, embarking to the construction of the block diagram electricity supply. In this scheme, we must provide primary and backup power sources. It selects the main equipment of solar power plant (solar panels, inverters, storage batteries)
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TO THE QUESTION OF THE MAIN PERFORMANCE CRITERIA CALCULATION FOR ELECTRIC POWER STATIC CONVERTERS
DescriptionWidespread in autonomous systems, including uninterrupted power supply systems, there are power static (electronic) convertors: rectifiers and inverters, used to match the parameters of the electric power source and the load; they also have a function of voltage stabilizers. Important question is the calculation of key performance criteria at the design stage: power losses, efficiency, reliability, weight and size (for electrical transport systems). The article discusses the methodology of the simplified calculation of the basic criteria of efficiency of inverters and rectifiers. There are schematic electrical diagrams of power rectifiers and inverters, and the basic analytical expression for a simplified calculation of the basic criteria of efficiency of the converters, including their output filters. Each year, we improve the technical characteristics of the probes using new element base, allowing reducing the level of electromagnetic interference generated by power electronic devices. We have also shown perspective directions of the development of power converter technology by using one-phase and threephase transformers with rotating magnetic field in their creation (therefore we increase reliability of operation and efficiency). A promising direction is the construction of converters and autonomous systems in a modular complex, where (in addition to increased system reliability) we simplify its operation, including service