Zobrazeno 1 - 10
of 76
pro vyhledávání: '"V. F. Novikov"'
Autor:
Ngoc Dan Vu, V. F. Novikov
Publikováno v:
Известия высших учебных заведений: Проблемы энергетики, Vol 22, Iss 6, Pp 202-210 (2021)
THE PURPOSE. In order to control the technical condition of oil-filled electrical equipment, a number of new analytical methods have recently been created to determine the ultra-low concentrations of impurity compounds in transformer oil. An analysis
Externí odkaz:
https://doaj.org/article/10073161e5c047febf6c7f26d46d011e
Publikováno v:
Известия высших учебных заведений: Проблемы энергетики, Vol 22, Iss 6, Pp 211-220 (2021)
THE PURPUSE. The paper considers the influence of the nature of organic solvents on the process of separation of an antioxidant additive added to transformer oil at a concentration of up to 0.40% by weight, and organic solvents used as selective extr
Externí odkaz:
https://doaj.org/article/a54b302a35ed4158b3f68d19f40958e1
Autor:
Duy Hung Nguyen, V. F. Novikov
Publikováno v:
Известия высших учебных заведений: Проблемы энергетики, Vol 22, Iss 5, Pp 107-115 (2020)
THE PURPOSE. Transformer oil is widely used in high-voltage electrical equipment and acts as a dielectric and also as a cooling medium. It consists of a complex mixture of hydrocarbon compositions with various impurity compounds. During the operation
Externí odkaz:
https://doaj.org/article/e0cf4e2aeb20425085426a26356c7e54
Autor:
Vu Ngoc Dan, V. F. Novikov
Publikováno v:
Известия высших учебных заведений: Проблемы энергетики, Vol 22, Iss 2, Pp 19-26 (2020)
Much attention is paid to the consideration of the causes of transformer oil aging under the influence of technogenic and natural factors. The paper insulation destruction mechanism is considered, as a result of which furan compounds are formed that
Externí odkaz:
https://doaj.org/article/abd0a75bd35d426caeba6d5eb3aab296
Autor:
K. F. Khalitov, V. F. Novikov
Publikováno v:
Известия высших учебных заведений: Проблемы энергетики, Vol 20, Iss 1-2, Pp 122-127 (2018)
For the series of molecules type ЭХ3 (Э = N, As, Sb; X = F, Cl, Br, J) obtained quantitative relations between the values of the quadrupole coupling constants e2Qq and parameters J and μэ3-, characterizing the relative magnitude of the spatial r
Externí odkaz:
https://doaj.org/article/b96189ed83894e1888222f18e5237b1d
Autor:
A. A. Kartashova, V. F. Novikov
Publikováno v:
Известия высших учебных заведений: Проблемы энергетики, Vol 0, Iss 1-2, Pp 46-52 (2017)
Authors considered the question of selection of the optimal sorbent for gas chromatographic determination of impurity compounds in transformer oils. As promising sorbents are offered compositions with fixed liquid phase based on arilarsinovyh acids.
Externí odkaz:
https://doaj.org/article/4cd8cd246eb74300bc0a8f7ce923f37e
Autor:
A. A. Kartashova, V. F. Novikov
Publikováno v:
Известия высших учебных заведений: Проблемы энергетики, Vol 0, Iss 1-2, Pp 122-128 (2017)
Thin-layer chromatography is one of the most common methods for the determination of furan derivatives in transformer oils. The article suggested improvement in the method by the use of thin-layer plates based on zeolite materials and a variety solve
Externí odkaz:
https://doaj.org/article/5a1d8f63f122427282b2efc7fe37c883
Autor:
V. F. Novikov
Publikováno v:
Nauka ta progres transportu, Vol 57, Iss 3, Pp 88-96 (2015)
Purpose.To reduce labor costs and the amount of computer time in the design of linear synchronous motors with excitation from a source of a constant magnetic field of high-speed ground transportation it is necessary to use engineering methods. The pu
Externí odkaz:
https://doaj.org/article/b2a009b7922943608c8202522365f967
Autor:
K. R. Muratov, V. F. Novikov, S. M. Kulak, R. A. Sokolov, R. F. Safargaliev, S. A. Musikhin, V. V. Probotyuk
Publikováno v:
Russian Journal of Nondestructive Testing. 59:141-148
Publikováno v:
Herald Of Technological University. 26:18-21