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    • ISSN: 1793-821X
    • Frequency: Quarterly (2013-2014); Bimonthly (Since 2015)
    • DOI: 10.18178/JOCET
    • Editor-in-Chief: Prof. Haider F. Abdul Amir
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JOCET 2017 Vol.5(6): 443-447 ISSN: 1793-821X
DOI: 10.18178/JOCET.2017.5.6.413

Modeling and Optimization of Active Power Filter Based on a Switched Linear System

Hui Song, Eun-Sung Gil, Kwan-Ho Chun, and Sang-Ho Park
Abstract—In this paper, modeling of a three-phase Active Power Filter (APF) considering hybrid dynamics is investigated. A shunt active filter is considered to compensate for the current disturbances from the utility load. Power electronic circuits using APFs are considered as hybrid systems, and the concepts and theories of switched linear systems are introduced to model converter control systems. First, a three-phase converter system is equivalent to a switch linear system (ESLS) based on space vector pulse-width modulator (SVPWM) theory. Then, an ESLS is further transformed into a linear equivalent switch linear system by linearization. Finally, an energy-to-energy (EE) controller is designed.

Index Terms—Active power filter, switched linear system, pulse width modulated.

Hui Song, Eun-Sung Gil and Kwan-Ho Chun are with Chungnam National University, South Korea (e-mail: khchun@cnu.ac.kr).
Sang-Ho Park is with Power system lab at the KEPCO Research Institute, South Korea.

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Cite:Hui Song, Eun-Sung Gil, Kwan-Ho Chun, and Sang-Ho Park, "Modeling and Optimization of Active Power Filter Based on a Switched Linear System," Journal of Clean Energy Technologies vol. 5, no. 6, pp. 443-447, 2017.

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