Applications of Two Level SVPWM in the Cascade Multilevel Carrier-Based PWM

Zuo Ming Liu; Zi Qiang Xi; Chen Guang Yu

doi:10.4028/www.scientific.net/AMM.556-562.1939

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 556-562Applications of Two Level SVPWM in the Cascade...

Applications of Two Level SVPWM in the Cascade Multilevel Carrier-Based PWM

Abstract:

First of all, this paper speculates that the essence of the space vector pulse width modulation (SVPWM) is the injection of some kind of zero sequence component through the theoretical analysis. Increasing the range of output voltage and reducing the switching loss are the optimization it can realize, the essential realization method is implemented by changing the placement of zero space vector. Then the method is applied to the cascade multilevel carrier modulation. The main work of this paper is to analyze the relation between SVPWM and the carrier PWM in the two level converter, then add the discrete modulation into the cascade multilevel carrier modulation to verify that the space vector modulation can be realized in cascade multilevel and can get similar results with the two level.

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Periodical:

Applied Mechanics and Materials (Volumes 556-562)

Pages:

1939-1944

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.556-562.1939

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Online since:

May 2014

Authors:

Zuo Ming Liu*, Zi Qiang Xi, Chen Guang Yu

Keywords:

Cascade Multilevel, Component, Space Vector Modulation, Zero-Sequence Component

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References

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