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| Titre: | Sliding mode control with fixed switching frequency for four-wire shunt active filter |
| Auteur(s): | Hamoudi, Farid
Chaghi, A. Aziz
Amimeur, Hocine
Merabet, El Kheir |
| Mots-clés: | Current harmonics compensation
Four-wire active filter
Sliding mode control
Switching frequency
Discrete Control
Electric power distribution systems
Elementary differentials
Equivalent control
Filter current control
Fixed switching frequency
Four-wire
Hysteresis comparator
Lyapunov stability
Neutral currents
Phase currents
Reactive power compensation
Shunt active power filters
Signals generation
Sliding modes
Sliding surface
Variable hysteresis band
Voltage source inverter |
| Date de publication: | 2011 |
| Editeur: | The Korean Institute of Electrical Engineers |
| Collection/Numéro: | Journal of Electrical Engineering and Technology/ Vol.6, N°5 (2011);pp.647-657 |
| Résumé: | The present paper proposes a sliding mode control with fixed switching frequency for three-phase three-leg voltage source inverter based four-wire shunt active power filter, to improve phase current waveform, neutral current mitigation and reactive power compensation in electric power distribution system. The performed sliding mode for active filter current control is formulated using elementary differential geometry, and the discrete control vector is deduced from the sliding surface accessibility using the Lyapunov stability. The problematic of the switching frequency has been treated considering hysteresis comparators for the switched signals generating. In this way, a variable hysteresis band has been established as a function of the sliding mode equivalent control and a predefined switching frequency in order to keep this one always constant. The proposed control has been verified with computer simulation which showed satisfactory results for the above objectives |
| URI/URL: | http://dlibrary.univ-boumerdes.dz:8080123456789/1851 |
| ISSN: | 19750102 |
| Collection(s) : | Publications Internationales
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