Voltage regulation in stand-alone microgrids with storage units : a multi-variable H-infinity control approach

Abstract : This study presents a multi-variable robust control scheme for voltage regulation in a diesel-photovoltaic (PV)-supercapacitor hybrid power generation system operating in stand-alone mode. By applying H-infinity control theory, an H-infinity-based voltage controller is proposed to robustly force the voltage magnitude of a point of common coupling (PCC) such as to satisfy dynamic specifications. A cascaded two-level control structure, where this controller is considered like an upper control level and provides references to classical PI-based current tracking controllers placed on a lower control level, is developed. The specific engineering demands of microgrid (MG) operation are cast into an H-infinity control formalism. Effectiveness of the proposed voltage robust control strategy is demonstrated through a series of closed-loop time-domain simulations carried out in MATLAB®/Simulink®.
Type de document :
Communication dans un congrès
CIRED - 2018 Workshop on Microgrids and local energy communities, Jun 2018, Ljubljana, Slovenia
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https://hal.archives-ouvertes.fr/hal-01696517
Contributeur : Antoneta Iuliana Bratcu <>
Soumis le : mardi 30 janvier 2018 - 14:36:15
Dernière modification le : lundi 9 avril 2018 - 12:22:39

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  • HAL Id : hal-01696517, version 1

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Quang Linh Lam, Antoneta Iuliana Bratcu, Delphine Riu. Voltage regulation in stand-alone microgrids with storage units : a multi-variable H-infinity control approach. CIRED - 2018 Workshop on Microgrids and local energy communities, Jun 2018, Ljubljana, Slovenia. 〈hal-01696517〉

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