Zobrazeno 1 - 10
of 84
pro vyhledávání: '"Ryabchenko Vladimir"'
Autor:
Korotchenko Evgeniy, Galiaskarov Irek, Misrikhanov Misrikhan, Ryabchenko Vladimir, Shuntov Andrey
Publikováno v:
E3S Web of Conferences, Vol 584, p 01018 (2024)
The accident rate of gas-insulated switchgears (GIS) is considered. The statistical sample covered 30 110-500 kV switchgear switchgears in a vast region of the European part of the country for the period 2008-2022. Their design features and technical
Externí odkaz:
https://doaj.org/article/743e883de6544d39b4ce70eb99cf61fc
Publikováno v:
E3S Web of Conferences, Vol 461, p 01011 (2023)
The statistical analysis of overhead lines (OHL) of the unified national power grid (UNPG) of the Central European part of the country for the previous 15 years is subjected to statistical analysis. The structure of the failure flow parameter (failur
Externí odkaz:
https://doaj.org/article/66d4039b771d492c81d718a03f4821ff
Autor:
Galiaskarov Irek, Misrikhanov Misrikhan, Ryabchenko Vladimir, Tregubov Eugene, Shuntov Andrey
Publikováno v:
E3S Web of Conferences, Vol 461, p 01012 (2023)
For an electric power system (EPS), as a dynamic system with many inputs and many outputs (Multi Inputs Multi Outputs System − MIMO), compact analytical formulas are obtained for calculating the coefficients of the controller matrix and the observe
Externí odkaz:
https://doaj.org/article/f017805412d74031a3b2b0478f85c3bc
Publikováno v:
E3S Web of Conferences, Vol 216, p 01016 (2020)
The results of forecasting the failure rate (failure frequency) of overhead lines (OHL) 500 kV, presented in the form of a time series with signs of chaos, are presented. Predictive estimates are obtained using methods of singular spectrum analysis,
Externí odkaz:
https://doaj.org/article/e7b3fd8abb864344a1129ef8a21606d8
Publikováno v:
E3S Web of Conferences, Vol 216, p 01015 (2020)
The accident rate of 500 kV overhead lines (OHL) of a large region on a long time interval is researched. Significant fluctuations in the values of their failure rate (failure frequency) are revealed. The specified parameter was analyzed using the ma
Externí odkaz:
https://doaj.org/article/e08d67b2a5b44249909bbcd0ce7def69
Publikováno v:
E3S Web of Conferences, Vol 139, p 01043 (2019)
The accidents cyclicality of 500 kVoverhead lines of a large region over an extended time period was studied. Significant fluctuations in the values of their failure rate (failure frequency) under the impact of natural and socio-economic factors are
Externí odkaz:
https://doaj.org/article/b3304aaf2cf0473c82cc5cda406cc2f5
Publikováno v:
E3S Web of Conferences, Vol 139, p 01069 (2019)
Algorithms for fast and superfast solvers of large systems of linear algebraic equations, used in solving mathematical problems of electric power industry, are proposed. These algorithms are constructed based on a novel method of multistep decomposit
Externí odkaz:
https://doaj.org/article/cf9bce2d94b54ca3a075c4aaacd8403e
Publikováno v:
E3S Web of Conferences, Vol 69, p 02010 (2018)
The algorithms for currents induced in a grounded lightning wire (LW) with single-phase short circuit (SC) calculation are considered. It is shown that the method of short-circuit current and current in LW simultaneous determination gives more correc
Externí odkaz:
https://doaj.org/article/d328d379f86b4cb38ce489b97abb3418
Publikováno v:
E3S Web of Conferences, Vol 58, p 01004 (2018)
A randomized algorithm for computing the invariant zeros of the electric energy system as a dynamical system with many inputs and many outputs (MIMO system), specified in the descriptor form, is proposed. Definitions of invariant zeros are carried ou
Externí odkaz:
https://doaj.org/article/618e3289cfbf4027a8324938ffcdf995
Publikováno v:
E3S Web of Conferences, Vol 58, p 01005 (2018)
A solution is presented for the problem of placing phasor measurement unit to identify the mathematical model of the electric power system in the state space. The criterion for complete observability of the Kalman dynamic system is taken as a basis.
Externí odkaz:
https://doaj.org/article/9e8d68e3ac7c451b8f19e446e4182102