Zobrazeno 1 - 10
of 104
pro vyhledávání: '"Branislav Dobrucky"'
Publikováno v:
Energies, Vol 17, Iss 11, p 2720 (2024)
This paper deals with the quasi-instantaneous determination (in a single-step response time) of apparent, active, and reactive (i.e., blind and distortion) power mean values including the total power factor, total harmonic distortion, and phase shift
Externí odkaz:
https://doaj.org/article/dfe39fc97fdd41f68d8bdb7f7b7ce1d7
Publikováno v:
Applied Sciences, Vol 13, Iss 7, p 4162 (2023)
This scientific paper presents a novel modified non-approximative method for instantaneously calculating state variables in a compact form. The method provides a direct solution in the discrete time domain, allowing for the specification of state var
Externí odkaz:
https://doaj.org/article/5e6883c406604a84ac37071fa7a438e3
Publikováno v:
Applied Sciences, Vol 12, Iss 22, p 11659 (2022)
This paper deals with the quasi-instantaneous determination of an apparent-, active-, and reactive (i.e., blind and distortion) power mean values, including total power factor, total harmonic distortion, and phase shift of fundamentals of power elect
Externí odkaz:
https://doaj.org/article/9e80edd1c08a4c33a3eba78892d20784
Publikováno v:
Elektronika ir Elektrotechnika, Vol 26, Iss 3, Pp 28-35 (2020)
The paper deals with an application of combined techniques of dynamical voltage restorer (DVR) and uninterruptible power supply (UPS) that make possible both the short voltage sags compensation, as well as longer power supply interruptions, under the
Externí odkaz:
https://doaj.org/article/0ab53c80c5834fe9a37d55731645bbfd
Publikováno v:
Communications, Vol 22, Iss 2, Pp 73-78 (2020)
The paper deals with a modeling and simulation of the direct AC-AC propulsion system and compares two matrix converter concepts with five-phase traction induction motors (IM) for the hybrid electric vehicle (HEV). The simulation results of [3x5] matr
Externí odkaz:
https://doaj.org/article/61979027d64340499eec7db0cd18406b
Publikováno v:
Elektronika ir Elektrotechnika, Vol 25, Iss 4, Pp 29-35 (2019)
The paper deals with a novel enhanced connection of AC/AC powertrain for HEV hybrid vehicles. The substantial contribution of such a connection is the absence of 4QC auxiliary converter needed for autonomous and hybrid operational modes and its compe
Externí odkaz:
https://doaj.org/article/7dbb28576a4a4b14a5134ab5f951f6d9
Publikováno v:
Advances in Electrical and Electronic Engineering, Vol 16, Iss 3, Pp 253-260 (2018)
The paper deals with a novel enhanced connection of AC/AC powertrain for Hybrid Electric Vehicles (HEV). The substantial contribution of such a connection is the absence of 4QC auxiliary converter needed for autonomous and hybrid operational modes an
Externí odkaz:
https://doaj.org/article/3bac89d27b7d42cab395c585b2a5c643
Publikováno v:
Energies, Vol 14, Iss 10, p 2781 (2021)
The paper deals with the determination and compensation of non-active torques of parallel HEV using an auxiliary electrical PMSM or IM motor. The non-active oscillating torque generating by the ICE engine was estimated, and consequently, the compensa
Externí odkaz:
https://doaj.org/article/62cf9e774e4d44f3a43b926632b10f8a
Publikováno v:
Energies, Vol 11, Iss 10, p 2761 (2018)
This paper deals with the control of current phase advancing in single-leg voltage source inverters (VSI) and matrix converters with a two-phase output. The phase shift of the current in the auxiliary phase is set with the use of switched capacitors.
Externí odkaz:
https://doaj.org/article/c7782f79b01a4b329fdfca5824646aa5
Publikováno v:
Communications, Vol 15, Iss 3, Pp 43-47 (2013)
The paper introduces a novel method of analysis and modelling of power electronic converters. Z-transform, numerical series (sequences) are used for both steady and transient states investigation of converters. The new impulse switching functions are
Externí odkaz:
https://doaj.org/article/067efc2efd72421abc7e8bf8e13f3104