Zobrazeno 1 - 10
of 17
pro vyhledávání: '"A. N. Ladygin"'
Autor:
Aleksandr N. Ladygin
Publikováno v:
Вестник Пермского национального исследовательского политехнического университета. Геология. Нефтегазовое и горное дело. 20:192-200
In the course of hydrocarbon deposit development, formation water starts entering the wells over time. An increasing produced water volume has a negative impact on economic indicators of oilfield developments and leads to other hazardous consequences
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ca3c1b4d1929ff9889183111e03a213d
https://doi.org/10.15593/2224-9923/2020.2.9
https://doi.org/10.15593/2224-9923/2020.2.9
Publikováno v:
Russian Electrical Engineering. 91:362-367
An analysis of methods for controlling the current of an asynchronous electric motor in a frequency-controlled electric drive is performed. The disadvantages of a control system with relay current controllers that provide system operation in the “c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::812ac3c1d7ca303c67a82f281b5e0429
https://doi.org/10.3103/s106837122006005x
https://doi.org/10.3103/s106837122006005x
Publikováno v:
Vestnik MEI. 1:49-54
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0e549c918878bc79c20e7db754e0b944
https://doi.org/10.24160/1993-6982-2020-1-49-54
https://doi.org/10.24160/1993-6982-2020-1-49-54
Publikováno v:
2020 27th International Workshop on Electric Drives: MPEI Department of Electric Drives 90th Anniversary (IWED).
Results of designing of a control mode by the frequency-regulated electric drive of the sucker-rod pump with the induction motor are presented. The designing purpose is increasing energy efficiency of pump electric drive at the expense of electrical
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4f0adb36a7d9ed60d7de7f1e805f867f
https://doi.org/10.1109/iwed48848.2020.9069584
https://doi.org/10.1109/iwed48848.2020.9069584
Publikováno v:
Vestnik MEI. :125-132
A device securing undisturbed operation of a variable frequency electric drive is developed and investigated. By its purpose, the developed device is an uninterrupted power supply source of a frequency converter (FC UPS) and is intended for being use
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::34db5ba376fe46687e371f7f1dba3de4
https://doi.org/10.24160/1993-6982-2017-6-125-132
https://doi.org/10.24160/1993-6982-2017-6-125-132
Publikováno v:
Russian Electrical Engineering. 86:14-17
Problems of constructing high-speed control systems of electric drives with switch-mode power converters are discussed in the present paper. Historical aspects of the development of these theoretical issues at the Department of Automated Electric Dri
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a93dfc0ce7d1f7520fefb3a26724503b
https://doi.org/10.3103/s1068371215010071
https://doi.org/10.3103/s1068371215010071
Publikováno v:
2017 IEEE 58th International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON).
This paper deal with the problem of improving energy efficiency of variable frequency drive system using regenerative braking unit for energy regeneration to the power line. Results of system experimental investigation and mathematical modeling are a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::49d51c3f0ad44fcd2029641724c458c2
https://doi.org/10.1109/rtucon.2017.8124750
https://doi.org/10.1109/rtucon.2017.8124750
Publikováno v:
Russian Electrical Engineering. 79:676-684
This paper describes the application of artificial intelligence to the synthesis of an efficient speed controller for an indirect field-oriented induction machine drive. In this case, two methods of artificial intelligence are proposed to reproduce t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4faeee49308f9bcf15272c1197b600ff
https://doi.org/10.3103/s1068371208120043
https://doi.org/10.3103/s1068371208120043
Publikováno v:
Russian Electrical Engineering. 78:315-321
An approach to the development of a system of vector control for an asynchronous electric drive adapting to variations of rotor resistance is considered. The approach is based on the “linearizing feedback” method implemented by means of a self-tr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bf72d5bf8aca8c7688b5c900a58f054c
https://doi.org/10.3103/s1068371207060090
https://doi.org/10.3103/s1068371207060090
Autor:
G. P. Kovtun, T.Yu. Rudycheva, A. N. Ladygin, V. V. Klochikhin, V. Ya. Sverdlov, P. D. Zhemanyuk, V. M. Azhazha, Yu.V. Gorbenko, D. G. Malykhin, A. P. Shcherban
Publikováno v:
Scopus-Elsevier
The structure of single crystals of the NV-4 nickel alloy containing 32–36 wt % W is investigated. The temperature gradient at the crystallization front and the velocity of the crystallization front are the variable parameters of directional crysta
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cfc2bae3926c3cda159a4caf448a5eb3
https://doi.org/10.1134/1.1690436
https://doi.org/10.1134/1.1690436