Research on Limit-Trajectory Over-Modulation Strategy of Two Stage Matrix Converter

Jing Lu; Ming Shen

doi:10.4028/www.scientific.net/AMM.599-601.1648

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 599-601Research on Limit-Trajectory Over-Modulation...

Research on Limit-Trajectory Over-Modulation Strategy of Two Stage Matrix Converter

Abstract:

Aim at solving the problem is poor quality of waveforms and that of complicated modulation strategy in two stage matrix converter. The method is that Limit-Trajectory over-modulation strategy is adopted in inverter to ensure linear modulation in all over-modulation regions and space vector pulse width modulation is adopted in rectifier. This simpler control algorithm reduces memory space and linear calculation is instead of look-up table. Simulation show that the voltage transfer ratio can be improved from 0.866 to 0.95 and the quality of output waveforms is greatly enhanced.

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Periodical:

Applied Mechanics and Materials (Volumes 599-601)

Pages:

1648-1651

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.599-601.1648

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Online since:

August 2014

Authors:

Jing Lu*, Ming Shen

Keywords:

Limit-Trajectory Over-Modulation, Two Stage Matrix Converter, Voltage Transfer Ratio

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