Zobrazeno 1 - 10
of 344
pro vyhledávání: '"D. A. Polyakov"'
Publikováno v:
Вестник интенсивной терапии, Iss 2 (2024)
АКТУАЛЬНОСТЬ: Экстренные операции аортокоронарного шунтирования (АКШ) сопряжены с риском постперфузионного системного воспалительног
Externí odkaz:
https://doaj.org/article/88fe7bbed68e4b6cb059fd695e43f1f5
Publikováno v:
Вестник интенсивной терапии, Iss 2 (2024)
АКТУАЛЬНОСТЬ: Частота развития, спектр и патофизиологические взаимосвязи основных клинических проявлений системного воспалительного
Externí odkaz:
https://doaj.org/article/b6d00757820f4680a80cb0b55ecc8bee
Publikováno v:
Омский научный вестник, Vol 6 (180), Pp 26-32 (2021)
The paper is devoted to partial discharge measurement and analysis in switchgear bushings. PD bushing structure analysis is described to assess possible defect sources in bushings. An experimental 10 kV bushing sample with the natural defect is o
Externí odkaz:
https://doaj.org/article/938238769c264415a5abc667e8e75dd1
Publikováno v:
Омский научный вестник, Vol 6 (180), Pp 33-40 (2021)
The paper simulates the electric field intensity picture in the cable with one and several defects. Modeling has shown that the presence of several closely spaced defects does not lead to an increase in the electric field intensity in comparison
Externí odkaz:
https://doaj.org/article/2cb4d724508f42fabb32658b77790dd5
Publikováno v:
Омский научный вестник, Vol 1 (175), Pp 46-49 (2021)
The paper investigates the existing mathematical models of insulation destruction. It has been determined that most of the models for assessing the residual life of insulation are based on models of thermal and thermo oxidative destruction of insu
Externí odkaz:
https://doaj.org/article/2ea35daf2e5846ae8bb46efc459913c2
Publikováno v:
Омский научный вестник, Vol 6 (174), Pp 63-68 (2020)
The article describes the study of the characteristics of partial discharges (PD) in various types of artificial defects in cable lines. A total of 13 types of insulation defects are considered. The PD measurements are carried out using a high AC
Externí odkaz:
https://doaj.org/article/59c44e58d7ce40619f876d1fa04e3903
Publikováno v:
Омский научный вестник, Vol 6 (174), Pp 69-73 (2020)
The studies of the service life and residual life of various insulating materials are described. The known mathematical models of insulation aging applicable to AC power cable lines are considered. Based on the models and the previously proposed
Externí odkaz:
https://doaj.org/article/34acc89022b74c109753e45a7b779343
Publikováno v:
Омский научный вестник, Vol 1 (169), Pp 32-38 (2020)
The diagnostics of overhead power lines is an important issue in the modern electric power industry. Sometimes supporting insulators are destroyed by external factors. Cracks in insulators can cause the destruction of the insulator, which increase
Externí odkaz:
https://doaj.org/article/bba3c06b85e440aeb7272bc17d4bd64d
Publikováno v:
Омский научный вестник, Vol 1 (169), Pp 39-44 (2020)
The article investigates partial discharges (PD) as a mechanism of insulation destruction. Some of the known mathematical models of insulation aging take into account the effect of partial discharges. These models are based on the dependence of par
Externí odkaz:
https://doaj.org/article/130d950a8f084bbcaf170ccea088d899
Publikováno v:
Омский научный вестник, Vol 6 (168), Pp 70-74 (2019)
Technological interruptions reduce in power supply companies is an important problem of electrical power engineering. The service life of power cables is one of the parameters that significantly affects the occurrence of breakdowns in cable insula
Externí odkaz:
https://doaj.org/article/40474d1d1ef54fbab8ac93f40ebb7cee