Multilevel converters for microwelding based on m-ary system
Multilevel converter constructing and functioning principles. Method of current forming for contact microwelding equipment allows significant decreasing of cells and switches quantity, increasing of energy efficiency with high quality of welded joint.
Подобные документы
The analytical expression for the calculation of the relay mode frequency and power. Development of parameters of electric energy converters. The absence of the phase shift between voltage and current. Solution EMC problems. The reduction of power losses.
статья, добавлен 29.07.2016Development of a method for increasing the energy efficiency of a household refrigerator by intensifying the process of heat removal from the refrigeration unit with modern fans for blowing the surfaces of the compressor and condenser unit of the device.
статья, добавлен 20.06.2020- 3. Structural features and potential risks for the functioning of the energy security system of Ukraine
Processes, elements, components of factors of influence on the state energy security system. Sensitivity of elements of state energy security system to external and internal factors that directly affect the quality of its functioning. The types of risks.
статья, добавлен 08.01.2024 The problem of the inverse conversion of powerful microwave energy into direct current energy is considered. The CWC type [4,5] is discussed, in which two microwave cavities are used, having uniform and fourfold electric fields in the interaction gaps.
статья, добавлен 04.11.2018Methods of construction of the automated test systems of radio-electronic technique objects. The basic directions of improvement of existing test systems. Principles and methods of reception and processing of the diagnostic information for AA SD RET.
статья, добавлен 22.12.2016Adjustable electric drive system based on an asynchronous motor with open windings, powered by two paired inverters, regulated in accordance with synchronous vector modulation algorithms. Modeling systems with different types of vector modulation.
статья, добавлен 02.02.2019As part of the implementation of energy conservation and energy efficiency policies, the introduction and use of renewable energy resources in the housing and communal services sector is one of the promising areas. Geothermal heat pumps structure.
статья, добавлен 20.02.2019Analysis of the use of a combined solar collector for heat supply of buildings to enhance the efficiency of solar system by increasing the surface area of absorption of solar energy. The study of the intensity of the solar radiation on the collector.
статья, добавлен 24.02.2016Assessment of environmental, social and climatic risks of modern Europe. Providing clean energy to the European Union. Development and implementation of an energy sufficiency and efficiency strategy. Expansion of production of renewable energy sources.
статья, добавлен 16.11.2021The operation of the photoconversion system based on dual voltage inverters with synchronous intermittent modulation algorithms. Analysis of systems with two basic types of synchronous intermittent modulation and under different operating conditions.
статья, добавлен 02.02.2019Analysis of physical and numerical modeling of an electron emission and transport processes for different electron-optical energy conversion systems with nanostructured surface electron sources. Review of energy conversion processes with high efficiency.
статья, добавлен 30.07.2016Perspectives of Cyclotron Wave Converter (CWC) of microwaves into DC are discussed in a form of short review. All main parts of CWC (microwave cavity, reverse region and collector) are analyzed. Existing experimental results are briefly described.
статья, добавлен 04.11.2018Calculation of the average neutron energy. The converter of thermal neutrons. The reactor core. Radiography and tomography tumor contour. Project progress MEDAPP. Irradiation of the cell cultures. Determination of biological efficacy of a new beam.
статья, добавлен 06.11.2013The measurement and analysis of the quality of electrical energy in electric grids. The characteristics of the main tools for measuring power quality, the requirements on the measurement of power quality. Instruments to measure the indicators of quality.
статья, добавлен 06.05.2018Important properties of the system power supply. The value of renewable energy to be able to supply electricity when demand is high. Requirements for various energy storage applications, the ability of existing technologies. Energy storage technologies.
статья, добавлен 26.12.2012Finding ways to save energy and improve the energy efficiency of production. Development of the latest renewable sources. Development of the photovoltaic industry, increasing the output power of solar batteries. Reduction of carbon dioxide emissions.
статья, добавлен 30.08.2022History of origin and development of the electrotechnical industry. Characteristics and distribution of transformers, their features and purpose. High voltage DC technology. Consequences of absence of electric energy storage in transmission systems.
контрольная работа, добавлен 20.02.2019The longitudinal direction remains after removal of the known correlation-inducing effects such as elliptic flow and ordinary jet correlations. The analysis of the evolution of the energy density in the system with high density tube-like fluctuations.
статья, добавлен 11.09.2013- 19. Methods for achievment of energy efficiency targets: analysis of experience in the European Union
Identify directions for reforming energy management in support of sustainable development policies in a transition economy. An analysis of the experience of European countries that have gone through the implementation of the concept of energy efficiency.
статья, добавлен 01.12.2017 Presents methods for evaluation and improvement of output quality of an autonomous power supply system. Characteristic of the output impedance of a switching voltage regulator. Research and analysis features of the process setup for measuring impedance.
статья, добавлен 24.05.2018- 21. Design of control signals for three phase matrix converter on the basis of double fourier series
The control signals for the frequency-phase matrix converter. The output control signal converters, on the basis of the expansion of space with the space. Methods of using the double Fourier series expansion of space and time independent variable.
статья, добавлен 22.03.2016 Analysis of current state and prospects of applicability of a high power electron beam technology for manufacturing metallic and nonmetallic composite materials. Study of equipment for high power beam technology and properties of selected compositions.
статья, добавлен 08.02.2017- 23. Solar energy
The essence of the process of using solar energy in the areas of alternative energy. The process of generating electricity using solar cells. The advantages and disadvantages of the introduction of solar energy. The use of photovoltaic installations.
презентация, добавлен 23.12.2013 The current state of renewable energy sources in Ukraine is studied. The indicators of the total capacity of solar energy of Ukraine were analyzed and the rating was determined in Europe by growth rates. Factors influencing the market of energy services.
статья, добавлен 08.01.2024The results of a comprehensive analysis of the implementation of measures for energy saving and use of renewable energy sources in the Republic of Moldova using the MARKAL model. Determining the cost of work on the development of renewable energy sources.
статья, добавлен 02.02.2019