A static and dynamic model of a space vector modulated matrix-reactance frequency converter

Szcześniak, Paweł

doi:10.1016/j.epsr.2013.10.020

Cited by 18 publications

(22 citation statements)

References 11 publications

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“…(2) The Space Vector Modulation (SVM) technique is the most frequently used modulation strategy for MC applications [14,22]. The instantaneous space vector representation of load voltages (u OL ) and source currents (i S ) in the MC is presented as follows: The SVM method for the MC has been described many times in various publications (e.g., [14,22]). In this article there will be indicated only the basic formulas, useful for creating mathematical models.…”

Section: Principles Of the Proposed Solutionmentioning

confidence: 99%

“…The required modulation duty cycles for the corresponding "nonzero vectors" are given by Eqs. (4) [22]:…”

Section: Principles Of the Proposed Solutionmentioning

confidence: 99%

“…The main problem in providing a detailed mathematical description of the analyzed HT is the inclusion of the modulation pattern of the MC switches. The proposed modelling process will be based on the state-space average model [22,23].…”

Section: Principles Of the Proposed Solutionmentioning

confidence: 99%

“…The presented mathematical model is based on the state-space equations for the averaged variables which are described by (7) [22].…”

Section: Modelling Theorymentioning

confidence: 99%

“…The main purpose of this paper is to describe the basic operations, based on the averaged mathematical model [22,23] and simulation investigation, of the proposed HT with a space vector modulated (SVM) matrix converter. The simulation and theoretical results will be analysed and compared.…”

Section: Introductionmentioning

confidence: 99%

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A modelling of AC voltage stabilizer based on a hybrid transformer with matrix converter

Szcześniak

2017

Archives of Electrical Engineering

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This article presents a study of an AC voltage stabilizer based on a three-phase hybrid transformer combined with a matrix converter. The proposed solution is used to control AC voltage amplitude and phase shift. By adjustment of these voltage parameters we can reduce the effects of overvoltage, voltage dips or lamp flicker. Such negative phenomena are very significant, particularly from the perspective of the final consumer and sensitive loads connected to the power network. Often the voltage in the power system can be adjusted using a mechanical or thyristor controlled regulator, which in a stepwise manner switches the taps of the electromagnetic transformer. The method for obtaining continuous control of the voltage magnitude and phase shift with the use of a conventional transformer with two output windings and a matrix converter is presented in this paper. The operating principles, mathematical model and properties of the proposed voltage stabilizers are discussed in this paper. The main part of the article will be devoted to the mathematical model which is based on an averaged equation. Computer simulation results are presented and compared with the results of a mathematical study.

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