Search academic texts

Information × Registration Number 0220U103241, 0119U103280 , R & D reports Title Improving the energy efficiency of power supplies for technological equipment popup.stage_title Head Gulakov Serhii V., Доктор технічних наук Registration Date 07-09-2020 Organization Pryazovskyi state technical university popup.description2 In the work, a research is done in the field of studying of complex electrotechnical processes in electrotechnological installations of resistance welding, which consist of interconnected complex of electrotechnical devices, control systems of them, means of improving energy efficiency and productivity, their mathematical and physical model, exploring the possibility of improving parameters and characteristics to ensure their effective work. The problem of creating highly efficient power systems for resistance welding is considered from two sides: − from the need to ensure the electromagnetic compatibility of power supplies for resistance welding machines with an electrical network; − from the need to ensure consistently high quality of welded joints in presence of external disturbances. The use of the developed power sources for resistance welding machines will improve both the efficiency of these sources and the energy efficiency of the electrical networks to which they are connected. The conformity of power supplies of resistance welding machines to the emission of higher current harmonics, which are regulated by international standards (IEC 61000: 3-2, IEC 61000: 3-4, IEC 61000: 3-12, IEEE 519-2014, EN 55015), is necessary when promoting them to world markets. In accordance with this, the goal and objectives of the work are aimed at developing highly efficient power systems for resistance welding, which had high technical and economic indicators and at the same time corresponded to modern standards of electromagnetic compatibility. The work proposed new approaches, which consist in: - development of power sources for resistance welding machines with increased efficiency and improvement of their control systems; - ensuring the improvement of the energy efficiency of electrical networks supplying resistance welding machines, including minimizing power losses in the electrical network, maximizing the power factor and optimizing parameters in accordance with the mod Product Description popup.authors Burlaka Volodymyr Volodymyrovych Gulakov Serhii V. Dyachenko Mikhail Dmitrovich Podnebennaya Svetlana K. Skosyrev Victor Georgievich popup.nrat_date 2020-10-01 Close