Zobrazeno 1 - 10
of 36
pro vyhledávání: '"O. V. Naumov"'
Publikováno v:
Известия высших учебных заведений: Проблемы энергетики, Vol 23, Iss 1, Pp 93-104 (2021)
PURPOSE. To address the problems of the functioning of the SES. To develop algorithms for evaluating the parameters of the efficiency of the functioning of the systems of intra-plant power supply. To investigate the operability of low-voltage shop ne
Externí odkaz:
https://doaj.org/article/c2daba8c8a9c4e63b3711f94dc8871e9
Publikováno v:
Известия высших учебных заведений: Проблемы энергетики, Vol 19, Iss 7-8, Pp 71-77 (2018)
In article calculation of an operating mode of power transformers for determination of optimum loading in case of which the efficiency of the transformer will reach the maximum value is provided, options of increase in efficiency of operation of powe
Externí odkaz:
https://doaj.org/article/3272136279104f27aa2098aac6b47708
Publikováno v:
Известия высших учебных заведений: Проблемы энергетики, Vol 0, Iss 7-8, Pp 92-97 (2017)
The article presents a nomogram for determining the percentage of resistance voltage switchgear and an additional line resistance due to heating of the conductor in the value of the total resistance line shop networks, that allows to specify the valu
Externí odkaz:
https://doaj.org/article/5c71b6a688f84117b79be4d734e2f4f7
Publikováno v:
Известия высших учебных заведений: Проблемы энергетики, Vol 0, Iss 1-2, Pp 53-63 (2017)
In the presented article the nature of emergence losses of idling of power transformers, the reasons of increase in these losses during operation is considered. On the basis of processing statistical data values of these changes are estimated. Need o
Externí odkaz:
https://doaj.org/article/bd31f8ab29734970838179914003f077
Autor:
S. G. Lebedinsky, O. V. Naumov
Publikováno v:
Industrial laboratory. Diagnostics of materials. 87:42-47
The results of experimental studies of the fatigue crack development in 20GFL steel specimens cut from a cast bolster of a freight car are presented. The ratio of the threshold stress intensity coefficient Kth determined from the kinetic diagram of f
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5b49e57d7efabb9b40b4d387c49513b0
https://doi.org/10.26896/1028-6861-2021-87-12-49-54
https://doi.org/10.26896/1028-6861-2021-87-12-49-54
Autor:
E. I. Gracheva, O. V. Naumov
Publikováno v:
Safety and Reliability of Power Industry. 11:325-331
One of the main objectives of the development of modern industry in Russia, along with an increase in the absolute volumes of electric power (EP) production, is to strengthen control over its more rational use. Saving EP and reducing the cost of its
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e369301a5ebf832d8b81c1f5ab10471c
https://doi.org/10.24223/1999-5555-2018-11-4-325-331
https://doi.org/10.24223/1999-5555-2018-11-4-325-331
Publikováno v:
E3S Web of Conferences, Vol 124, p 02006 (2019)
This paper presents calculation of operation modes of power transformers aiming at determination of optimum loading at which the transformer performance coefficient reaches its maximum. Options for increasing the efficiency of power transformers oper
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b2511239aea398c3bec1bdcafe8bcb94
https://www.e3s-conferences.org/articles/e3sconf/pdf/2019/50/e3sconf_ses18_02006.pdf
https://www.e3s-conferences.org/articles/e3sconf/pdf/2019/50/e3sconf_ses18_02006.pdf
Publikováno v:
IOP Conference Series: Materials Science and Engineering. 1129:012017
3D printing technology allows you to obtain parts with a number of characteristics that have great importance for a number of areas, in particular small aircraft. The article presents a statistical and modal analysis of the naca0012 configuration win
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::de914afbafdbc0a267258ccd6750710c
https://doi.org/10.1088/1757-899x/1129/1/012017
https://doi.org/10.1088/1757-899x/1129/1/012017
Publikováno v:
IOP Conference Series: Materials Science and Engineering. 1129:012021
This article discusses the use of 3D printing technology for manufacturing the frame structure of a quadrocopter. The strength of the plastic frame structure is calculated. The results obtained allow us to draw conclusions about the possibility of us
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::68d20e55e536e12898efa042cf77c81c
https://doi.org/10.1088/1757-899x/1129/1/012021
https://doi.org/10.1088/1757-899x/1129/1/012021
Publikováno v:
IOP Conference Series: Materials Science and Engineering. 860:012014
This work is topical, since it allows predicting the physical state of the contact joints of low-voltage switching devices and to avoid their destruction, which occurs due to mechanical and chemical effects on the contacts during operation, leading t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a793bfe689949922a2041674600516ac
https://doi.org/10.1088/1757-899x/860/1/012014
https://doi.org/10.1088/1757-899x/860/1/012014