Zobrazeno 1 - 10
of 105
pro vyhledávání: '"Dovgun, A."'
Publikováno v:
Известия высших учебных заведений: Проблемы энергетики, Vol 26, Iss 1, Pp 77-92 (2024)
RELEVANCE. The large proliferation of various nonlinear loads has led to serious power-quality related problems in power systems. THE PURPOSE. In this paper, we consider design procedure of broadband passive filters with flat frequency characteristic
Externí odkaz:
https://doaj.org/article/4dd90da05db94bd7a2654ed6c72432d8
Publikováno v:
Известия высших учебных заведений: Проблемы энергетики, Vol 24, Iss 4, Pp 77-89 (2022)
THE PURPOSE. Harmonic resonance has become a serious problem of shunt capacitor banks for reactive power and voltage support. Effective solution to damp out the capacitor-caused resonance is the series connection of capacitor bank with harmonic dampi
Externí odkaz:
https://doaj.org/article/a4ae1e05cd234dbd90871c18a579818f
Publikováno v:
Известия высших учебных заведений: Проблемы энергетики, Vol 23, Iss 6, Pp 42-52 (2022)
THE PURPOSE. Broadband passive filters (BBF) are an effective measure to mitigate harmonic resonance in power systems with nonlinear harmonic producing loads. The disadvantage of simple second-order broadband filters are pure selectivity and excessiv
Externí odkaz:
https://doaj.org/article/3cd958bb07824955bd64cd3c1af29a99
Publikováno v:
Известия высших учебных заведений: Проблемы энергетики, Vol 22, Iss 6, Pp 3-15 (2021)
THE PURPOSE. Мutipulse rectifiers are widely used as a nonlinear loads in industrial distribution systems. The advantage of mutipulse rectifiers is low harmonic emission and high power factor. However input currents of mutipulse rectifiers have a wi
Externí odkaz:
https://doaj.org/article/c0cfae1abb294792bff8ec68c8d85872
Publikováno v:
Optoelectronic Information-Power Technologies. 44:13-18
Conditions for optimal stabilization of diffusive stochastic dynamic systems with external disturbances have been obtained. The purpose of this work is to find the stabilization conditions of diffusive stochastic dynamic systems with external random
Publikováno v:
Optoelectronic Information-Power Technologies. 43:5-10
The conditions of asymptotic stability of the trivial solution of stochastic diffusion dynamic systems of automatic regulation with external disturbances are obtained. In work is to find criteria for the absolute stability of solutions of stochastic
Publikováno v:
Известия высших учебных заведений: Проблемы энергетики, Vol 0, Iss 1-2, Pp 11-19 (2017)
Using the differential method for calculating the heat and mass transfer, numerical studies of thermal and aerodynamic parameters in the firebox tube furnaces with acoustic gas burners flame grazing at different amounts tiered burners on the side wal
Externí odkaz:
https://doaj.org/article/ba0d1b772b2d496a841dc4b6a44c97c6
Autor:
Valery Dovgun, Sergei Temerbaev, Maxim Chernyshov, Viktor Novikov, Natalia Boyarskaya, Elena Gracheva
Publikováno v:
Energies, Vol 13, Iss 18, p 4915 (2020)
This paper presents distributed power quality conditioning system to compensate current and voltage distortions in three-phase four-wire networks caused by unbalanced non-linear single-phase loads. The proposed conditioning system consists of several
Externí odkaz:
https://doaj.org/article/6f684d038abb4cf39b5deb54cec0a767
Publikováno v:
E3S Web of Conferences, Vol 209, p 07003 (2020)
The purpose of the investigation is to analyze resonant modes in electric power systems that feed the traction load, to study the mutual influence of the traction network and the external power supply system. Simulation model of the power supply syst
Externí odkaz:
https://doaj.org/article/c998fac55d2d447f880a5364d8fa1ed2
Publikováno v:
E3S Web of Conferences, Vol 178, p 01009 (2020)
The article considers a hybrid power quality conditioner (HQPC) for 3-phase 4-wire systems with a distributed modular structure. Some conditioner modules provide compensation for the component currents and voltages that form the negative and zero seq
Externí odkaz:
https://doaj.org/article/aadf9cec7552422380a721234ed66ec5