Optimized Non-Dead-Time Control of Inverter with Two-Phase Modulated SVPWM

Ming Xing Zhu; Jing Bo Shi

doi:10.4028/www.scientific.net/AMR.562-564.1531

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 562-564Optimized Non-Dead-Time Control of Inverter with...

Optimized Non-Dead-Time Control of Inverter with Two-Phase Modulated SVPWM

Abstract:

In the inverter control system, two-phase modulated space vector pulse width modulation (SVPWM) algorithm has the advantages of minimum switch loss and higher utilization of direct current (DC) bus voltage. Non-dead-time control strategy can eliminate the problems of the dead time effects. But the traditional non-dead-time control strategy heavily depends on the current zero-crossing detection, which may cause the output voltage distortion or even a short circuit. Based on the analysis of the reason for the distortion, a new optimized non-dead-time control method is proposed. Two methods for the detection of the overlapping area are enumerated. The conclusions are confirmed by the simulation results with MATLAB/ SIMULINK.

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Periodical:

Advanced Materials Research (Volumes 562-564)

Pages:

1531-1536

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.562-564.1531

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Online since:

August 2012

Authors:

Ming Xing Zhu, Jing Bo Shi

Keywords:

Optimized Non-Dead-Time Control, Overlapping Area, Two-Phase Modulation, Zero-Crossing Point

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