Proposal of a switched high dynamic series voltage regulator for compensating Sags and Swells on AC voltage source

Author

Freitas, P.A.R. ; Guimaraes, E.C. ; Freitas, L.C.G. ; Vieira, J.B. ; Freitas, L.C.

Author_Institution

Nucleo de Pesquisa em Eletron. de Potencia (NUPEP), Univ. Fed. de Uberlandia (UFU), Uberlandia, Brazil

fYear

2013

fDate

2-6 Sept. 2013

Firstpage

1

Lastpage

9

Abstract

This paper proposes a new topological arrangement that consists in connecting the AC voltage source in series with two EIE Buck converters, one to operate in the positive half cycle and the other to operate in the negative half cycle. The control strategy is developed to achieve an AC output voltage within the limits set by standards in order to mitigate problems associated with Sags and Swells on AC voltage supply. Operating principles and the main simulation and experimental results obtained for steady-state and transient operation conditions are presented and validated on a 1 kVA experimental unit.

Keywords

AC-AC power convertors; power supply quality; voltage control; AC voltage source; AC voltage supply; EIE buck converters; high dynamic series voltage regulator; negative half cycle; positive half cycle; voltage sag compensation; voltage swell compensation; Power quality; Power system dynamics; Standards; Switches; Threshold voltage; Voltage control; Voltage fluctuations; AC/AC converter; Voltage Regulator Module (VRM); Voltage sag compensator;

fLanguage

English

Publisher

ieee

Conference_Titel

Power Electronics and Applications (EPE), 2013 15th European Conference on

Conference_Location

Lille

Type

conf

DOI

10.1109/EPE.2013.6631932

Filename

6631932