Multiple Resonant Controllers for Uninterruptible Power Supplies-A Systematic Robust Control Design Approach

This paper deals with the synthesis problem of multiple resonant controllers for uninterruptible-power-supply systems in a robust control framework. The controller parameters aiming the tracking of sinusoidal reference signals (with zero steady-state error) and the rejection of harmonic components o...

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Bibliographic Details
Published inIEEE transactions on industrial electronics (1982) Vol. 61; no. 3; pp. 1528 - 1538
Main Authors Pereira, Luis Fernando Alves, Flores, Jeferson Vieira, Bonan, Guilherme, Coutinho, Daniel Ferreira, da Silva, Joao Manoel Gomes
Format Journal Article
LanguageEnglish
Published IEEE 01.03.2014
Subjects
Harmonic analysis
Harmonic rejection
Inverters
linear matrix inequality (LMI)
Load modeling
multiple resonant controllers
Pulse width modulation
sinusoidal reference tracking
uninterruptible power supply (UPS)
Uninterruptible power systems
Voltage control
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Summary:This paper deals with the synthesis problem of multiple resonant controllers for uninterruptible-power-supply systems in a robust control framework. The controller parameters aiming the tracking of sinusoidal reference signals (with zero steady-state error) and the rejection of harmonic components of the output voltage (when supplying energy to time-varying nonlinear loads) are determined by means of a convex optimization problem subject to a set of linear-matrix-inequality constraints. Results from a 5.0-kVA experimental setup are considered to illustrate and validate the proposed approach.
ISSN:0278-0046
1557-9948
DOI:10.1109/TIE.2013.2259781