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[5, 2015] 

Journal of Electrical Engineering, Vol 66, 5 (2015) 287-291 DOI: 10.1515/jee-2015-0047

CURRENT SOURCE BASED ON H-BRIDGE INVERTER WITH OUTPUT LCL FILTER

Vojtech Blahnik – Jakub Talla – Zdenek Peroutka

   The paper deals with a control of current source with an LCL output filter. The controlled current source is realized as a single-phase inverter and output LCL filter provides low ripple of output current. However, systems incorporating LCL filters require more complex control strategies and there are several interesting approaches to the control of this type of converter. This paper presents the inverter control algorithm, which combines model based control with a direct current control based on resonant controllers and single-phase vector control. The primary goal is to reduce the current ripple and distortion under required limits and provides fast and precise control of output current. The proposed control technique is verified by measurements on the laboratory model.

Keywords: LCL output filter


[full-paper]


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