Zobrazeno 1 - 10
of 23
pro vyhledávání: '"Kovernikova, Lidiia"'
Autor:
Kovernikova Lidiia
Publikováno v:
E3S Web of Conferences, Vol 461, p 01013 (2023)
Non-sinusoidal voltage in electrical networks is one of the most pressing problems in the field of power quality. In non-sinusoidal modes in electrical networks, in addition to losses of active power at the fundamental frequency, i.e. at the 1-st har
Externí odkaz:
https://doaj.org/article/f98eceafc8f3484bba436a6c150621a6
Autor:
Kovernikova Lidiia
Publikováno v:
E3S Web of Conferences, Vol 384, p 01011 (2023)
The amount of electronic equipment is increasing in created smart grids. This equipment introduces distortions into the electrical network, due to which the voltages at the network nodes, and hence the currents, become nonsinusoidal. The paper is dev
Externí odkaz:
https://doaj.org/article/e1114fd3c97e41cebcc8384dda0f2039
Autor:
Hung Bui Ngoc, Kovernikova Lidiia I.
Publikováno v:
E3S Web of Conferences, Vol 289, p 01001 (2021)
Poor power quality creates big problems. With the poor power quality, the service life of the equipment is reduced. In connection with the creation and development of intelligent electrical power systems and the digital economy, the requirements for
Externí odkaz:
https://doaj.org/article/9376519bb4594dc2838ce849b6307467
Autor:
Van Cuong Ngo, Kovernikova Lidiia I.
Publikováno v:
E3S Web of Conferences, Vol 289, p 01002 (2021)
The parameters of electrical network modes do not correspond the requirements GOST 32144-2013 of Russian and the National technical regulation of Vietnam. In real operating conditions in electrical networks in non-sinusoidal and unbalanced modes ther
Externí odkaz:
https://doaj.org/article/a96ce22498d44abea6b20824325cf545
Autor:
Zapanov Oleg V., Kovernikova Lidiia I.
Publikováno v:
E3S Web of Conferences, Vol 209, p 07012 (2020)
Joint Stock Company (JSC) “Mine Aleksandrovsky” is located in the Mogochinsky district of the Trans-Baikal Territory. “Mine Aleksandrovsky” concluded an energy supply agreement with JSC “Chitaenergosbyt” for the purchase of electric energ
Externí odkaz:
https://doaj.org/article/8b524ffbd669424e9f63ef60acbddeef
Publikováno v:
E3S Web of Conferences, Vol 216, p 01069 (2020)
The coal grading plants in Vietnam extensively apply asynchronous motors with frequency control. They consume reactive power and non-sinusoidal current from the supply network. The nonsinusoidal currents and voltages lead to additional energy losses
Externí odkaz:
https://doaj.org/article/3716f13d22c242a1aae87ed8b2a396eb
Autor:
Kovernikova Lidiia I.
Publikováno v:
E3S Web of Conferences, Vol 209, p 07006 (2020)
Resonance modes at harmonic frequencies in electrical networks are a serious problem. They arise due to the availability of electrical equipment with capacitive and inductive elements. The values of the harmonics of currents and voltages increase at
Externí odkaz:
https://doaj.org/article/f249d109b37c49b08015c5d1f8b1a931
Autor:
Kovernikova, Lidiia I., Cuong, Ngo Van, Voropai, Nikolai, Stennikov, Valery, Senderov, Sergey
Publikováno v:
AIP Conference Proceedings; 2022, Vol. 2552 Issue 1, p1-8, 8p
Autor:
Van Cuong Ngo, Kovernikova Lidiia I.
Publikováno v:
E3S Web of Conferences, Vol 114, p 04005 (2019)
The parameters of electrical network modes often do not meet the requirements of Russian GOST 32144-2013 and the guidelines of Vietnam. In the actual operating conditions while there is the non-sinusoidal mode in electrical networks voltage and curre
Externí odkaz:
https://doaj.org/article/466294a2a4d14c7e9e8830b7c1443c56
Autor:
Hung Bui Ngoc, Kovernikova Lidiia I.
Publikováno v:
E3S Web of Conferences, Vol 114, p 04006 (2019)
Coal mining is one of the important economic sectors in Vietnam. Power supply systems of coal mines and open-cuts are complex. They have multiple levels of voltages and different types of loads. New electrical equipment usually works alongside with t
Externí odkaz:
https://doaj.org/article/db34f6dd3d794b5e835eb727c2abe3fc