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The paper presents an approach to the development of microgrid on the basis of renewable energy sources for settlements in the Central European part of Russia not connected to centralized electrical network providing comfortable level of the population living. The paper determines the annual power consumption and energy as well as firm capacity which are to be provided by microgrid. The optimum relationship...
The paper presents the research results of interaction of inert gas (argon) plasma jet containing chemically active impurity vapors with the surface of silicon melt under the conditions of its high turbulence to determine the optimal conditions for purification of silicon for solar cells. The interconnection between the plasma parameters (current, power) and the rate of surface mass transfer of the...
One of the major lines of solar energy development is the creation of environmentally friendly, wasteless and cheap solar-grade silicon production technology. Currently the main silicon production technologies are based on reduction of silicon hydrogen chloride compounds: trichlorosilane, tetrachlorosilane, monosilane. These technologies use harmful and potentially dangerous compounds in quantity...
Results of the fulfilled calculations have shown that the design with a moving magnetic beam and a fixed magnetic field concentrator provides an increase of the magnetic sensitivity approximately in 2 times in comparison to the design without concentrators, besides inertial resistance of the switch does not change. It allows stating that usage of magnetic concentrators is an effective method of the...
The paper reports the tests results of ruthenium contacts coatings of magnetically controlled MEMS switches. During the tests the contact resistance was measured and the lifetime of MEMS switches was evaluated. After testing the analysis of the form and contact surface structure using SEM-method was carried out. The experiment results showed that the application of ruthenium nanolayers as the contact...
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