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A New Single-phase Symmetrical Cascade Multilevel Inverter with Low Number of Power Switches

Publish Year: 1397
Type: Journal paper
Language: English
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Document National Code:

JR_IJE-31-8_010

Index date: 1 December 2019

A New Single-phase Symmetrical Cascade Multilevel Inverter with Low Number of Power Switches abstract

In this paper a new 5-level single phase symmetrical cascade multi-level inverter is proposed. The proposed topology contains combination of unidirectional and bidirectional power switches based on output voltage level number. The number of power switches and withstanding voltage of powers witches were reduced related to the other topologies. This configuration can be extended to the n-level inverter. In symmetrical case of proposed inverter the 5th harmonic output voltage will be eliminated. The performance analysis of the proposed inverter using suitable switching algorithm for producing the 5-level output voltage was confirmed by simulation and experimental results.

A New Single-phase Symmetrical Cascade Multilevel Inverter with Low Number of Power Switches Keywords:

cascade inverter , multi , Level , harmonic distortion , bidirectional switches , unidirectional switches and harmonic elimination

A New Single-phase Symmetrical Cascade Multilevel Inverter with Low Number of Power Switches authors

mehdi arehpanahi

, tafresh university

Dariush paknia

Electrical Engineering, tafresh university