Zobrazeno 1 - 10
of 14
pro vyhledávání: '"A. B. Utegulov"'
Publikováno v:
Ceramics, Vol 6, Iss 4, Pp 2295-2306 (2023)
This article investigates the structures and conductive properties of polycrystals of Na3Fe2(PO4)3 obtained by solid-state and melt synthesis methods using concentrated optical radiation. It has been established that in the melt synthesis method, the
Externí odkaz:
https://doaj.org/article/18aef23f373d41dca7b9d79ebef63b05
Autor:
null A. I. Ogarkova, null Jelena Titko, null A. B. Utegulov, null I. V. Koshkin, null V. Yu Sapa
Publikováno v:
Bulletin of Toraighyrov University. Energetics series. :253-266
"This article considers experimental confirmation of quantitative characteristics of factors influencing the determination of the distance to the fault location in networks with an isolated neutral voltage of 6(10)-35 kV. Experiments were carried out
Autor:
null A. I. Ogarkova, null V. P. Markovskiy, null K. V. Tatmyshevskiy, null A. B. Utegulov, null I. V. Koshkin
Publikováno v:
Bulletin of Toraighyrov University. Energetics series. :283-296
"This scientific article examines the measurement method for determining the location of damage in a 6(10) kV cable line in a network with an isolated neutral. The method involves the use of location devices when measuring distances to the site of de
Autor:
null A. I. Ogarkova, null V . P. Markovskiy, null K. V. Tatmyshevskiy, null A. B. Utegulov, null I. V. Koshkin
Publikováno v:
Bulletin of Toraighyrov University. Energetics series. :263-275
The article is devoted to the analysis of emergency modes in a network with an isolated neutral of 6(10)-35 kV.. The purpose of the work is to develop a mathematical model of an electrical network with a voltage of 6(10)-35 kV when calculating a sing
Publikováno v:
E3S Web of Conferences, Vol 220, p 01032 (2020)
In the work experimental studies of the developed method for determining the insulation parameters in an asymmetric electrical network by a voltage up to 1000 V at mining enterprises were carried out. It is based on measuring the module values of lin
Publikováno v:
Journal of Mining Science. 52:325-331
This article presents the results of experimental studies on a coal mine. According to the results, the current of single phase-to-earth fault in the network under 1000 V has a value less than the current of the residual current device set point. Thi
Publikováno v:
IOP Conference Series: Materials Science and Engineering. 643:012062
The article presents the results of studies of some natural factors on the productivity of solar cells. In the study of output characteristics, the dependence of the generation of electrical energy on the number of incident solar radiation on photoel
Publikováno v:
IOP Conference Series: Materials Science and Engineering. 313:012014
Autor:
B. B. Utegulov
In the work the study of the developed method was carried out for reliability by analyzing the error in indirect determination of the insulation parameters in an asymmetric network with an isolated neutral voltage above 1000 V. The conducted studies
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::98dc6e91c1df3e978c4a3ac07dd1d7d3
https://hdl.handle.net/10995/62658
https://hdl.handle.net/10995/62658
Autor:
B. B. Utegulov
Publikováno v:
2016 2nd International Conference on Industrial Engineering, Applications and Manufacturing (ICIEAM).
The paper proposes an algorithm of a mathematical model of devices for digital protection from single-phase earth faults in 6–10 kV networks with automatic change of setpoint. It is achieved using the Mealy machine (Moore machine) for formalization