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Design of an Analog Quasi-Steady-State Nonlinear Current-Mode Controller for Single-Phase Active Power Filter

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5 Author(s)
Miret, J. ; Dept. of Electron. Eng., Tech. Univ. of Catalonia, Vilanova i la Geltru, Spain ; Luis Garcia de Vicuna ; Castilla, M. ; Matas, J.
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The injection of sinusoidal current to an electrical grid is nowadays possible with the use of active power filters (APFs). With quasi-steady-state (QSS) nonlinear controllers, these power filters provide low grid-current-harmonic content with simple-control analog implementation. This paper focuses on the design of a QSS nonlinear controller for a single-phase APF. A complete analysis based on the sliding-mode-control theory is given. From the analysis, a set of control-design guidelines is presented to select the gains and parameters of the control scheme. Selected experimental results are reported to validate the theoretical design procedure.

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Industrial Electronics, IEEE Transactions on  (Volume:56 ,  Issue: 12 )