This study presents a series active power filter based on a single-phase matrix converter. Back-to-back voltagesource converters with nested control loops and passive filters are normally used for this application. A matrix converter, as proposed in this study, allows a simpler implementation both in terms of hardware (no grid filter and no DC link) and of control. Moreover, a novel zero-voltage compensation technique is introduced in order to reduce the distortion around the input voltage zero crossing. Simulations and experiments are used to validate the considered control methods, confirming the feasibility of the proposed architecture.
Single-phase series active power filter with transformer-coupled matrix converter / Buticchi, Giampaolo; Barater, Davide; Concari, Carlo; Franceschini, Giovanni. - In: IET POWER ELECTRONICS. - ISSN 1755-4535. - 9:6(2016), pp. 1279-1289. [10.1049/iet-pel.2015.0443]
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