Impedance source inverters have experienced a fast evolution since the first release of the Z-source inverter in 2003. This evolution is not limited to improving the structure of the different topologies but also includes their modulation and control schemes in order to reinforce their performance from many perspectives. Accordingly, many modulation schemes have been proposed in different research activities, but the full differences among these modulation schemes, including their effect on the switching losses, are not clear yet to the researchers. Hence, this research activity is aimed at introducing a comprehensive review of these different modulation schemes employed for the three-phase impedance source inverters, which is enhanced with a comparative assessment. In this paper, different modulation schemes are classified and reviewed, introducing an important benchmark in order to identify the basic differences between these modulation schemes. In other words, from this paper, the concept of classifying the different modulation schemes and the mandatory equations to implement each scheme can easily be drawn. Moreover, this review is essential for the next part, i.e., Part II, in which a comparative assessment is introduced.

Modulation Schemes of the Three-Phase Impedance Source Inverters—Part I: Classification and Review

Ahmed Abdelhakim;P. Mattavelli
2018

Abstract

Impedance source inverters have experienced a fast evolution since the first release of the Z-source inverter in 2003. This evolution is not limited to improving the structure of the different topologies but also includes their modulation and control schemes in order to reinforce their performance from many perspectives. Accordingly, many modulation schemes have been proposed in different research activities, but the full differences among these modulation schemes, including their effect on the switching losses, are not clear yet to the researchers. Hence, this research activity is aimed at introducing a comprehensive review of these different modulation schemes employed for the three-phase impedance source inverters, which is enhanced with a comparative assessment. In this paper, different modulation schemes are classified and reviewed, introducing an important benchmark in order to identify the basic differences between these modulation schemes. In other words, from this paper, the concept of classifying the different modulation schemes and the mandatory equations to implement each scheme can easily be drawn. Moreover, this review is essential for the next part, i.e., Part II, in which a comparative assessment is introduced.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11577/3291233
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