Details

Title

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

Journal title

Archives of Electrical Engineering

Yearbook

2017

Numer

No 2 June

Keywords

Electrical and Electronic Engineering

Divisions of PAS

Nauki Techniczne

Abstract

<jats:title>Abstract</jats:title><jats:p>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.</jats:p>

Publisher

Polish Academy of Sciences

Date

2017

Identifier

eISSN: 2300-2506 ; ISSN: 1427-4221

DOI

10.1515/aee-2017-0028

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