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A Venturini based modulation technique for a new isolated AC/AC power converter

Nasir, Usman; Rivera, Marco; Costabeber, Alessando; Wheeler, Patrick

Authors

Usman Nasir Usman.Nasir@nottingham.ac.uk

Marco Rivera

Alessando Costabeber alessandro.costabeber@nottingham.ac.uk

Patrick Wheeler pat.wheeler@nottingham.ac.uk



Abstract

The Future Global Electricity Network is expected to have large integration of renewable generators, and to be widely interconnected. As a consequence, the multi-modular bidirectional AC/AC power conversion architectures will play a major role in improving power flow controllability, power quality and availability. This paper proposes a new power converter topology suitable for AC/AC conversion in medium and high voltage applications, based on the matrix concept. The proposed topology combines the advantages of matrix converters with those of modular converters, providing high modularity and scalability, reduced weight and volume, minimum number of conversion stages and minimum energy storage. Galvanic isolation is provided at medium frequency, reducing size and cost of the transformer. The paper introduces the converter concept and commutation strategy and proposes a modified Venturini modulation in order to provide a per-switching cycle control of the Volt-Second balance across the transformer.

Publication Date Dec 22, 2016
Peer Reviewed Peer Reviewed
APA6 Citation Nasir, U., Rivera, M., Costabeber, A., & Wheeler, P. (2016). A Venturini based modulation technique for a new isolated AC/AC power converter
Keywords isolated AC/AC; Venturini Modulation; cycloconverter; 4-step commutation; Voltage-Time Balance
Publisher URL http://ieeexplore.ieee.org/document/7794115/
Related Public URLs http://www.iecon2016.org/
Copyright Statement Copyright information regarding this work can be found at the following address: http://eprints.nottingh.../end_user_agreement.pdf
Additional Information © 2016 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.

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Copyright Statement
Copyright information regarding this work can be found at the following address: http://eprints.nottingham.ac.uk/end_user_agreement.pdf





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