Journal Article10.1109/TIE.2014.2308163
Analytical Method for Pattern Generation in Five-Level Cascaded H-Bridge Inverter Using Selective Harmonic Elimination
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TL;DR: This paper proposes an analytical procedure for computation of all pairs of valid switching angles used in pattern generation in five-level H-bridge cascaded inverters and returns the exact boundaries of all valid modulation index intervals.
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Abstract: This paper proposes an analytical procedure for computation of all pairs of valid switching angles used in pattern generation in five-level H-bridge cascaded inverters. The proposed procedure eliminates harmonic components from inverter output voltage and, for each harmonic, returns the exact boundaries of all valid modulation index intervals. Due to its simple mathematical formulation, it can be easily implemented in real time using a digital signal processor or a field-programmable gate array. In this paper, after a detailed description of the method, simulation and experimental results demonstrate the high quality of achievable results.
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Citations
A Review of Multilevel Selective Harmonic Elimination PWM: Formulations, Solving Algorithms, Implementation and Applications
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Optimal Design of New Cascaded Switch-Ladder Multilevel Inverter Structure
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A New General Multilevel Converter Topology Based on Cascaded Connection of Submultilevel Units With Reduced Switching Components, DC Sources, and Blocked Voltage by Switches
TL;DR: A new cascade topology for multilevel converter is introduced in this paper which comprises series connection of several submultilevel units and it is shown that the total peak voltage on switches in the proposed topology is less than other structures.
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Reduction of Power Electronic Elements in Multilevel Converters Using a New Cascade Structure
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