Use of a full wave correct-by-design command to control a multilevel modular converter

Soulat, Romain; Hérault, Guillaume; Labrousse, Denis; Revol, Bertrand; Feld, Gilles; Lefebvre, Stéphane; Fribourg, Laurent

doi:10.1109/epe.2013.6634448

Cited by 1 publication

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“…For = 5, 7, the Decomposition procedure is well-suited to the flying capacitor topology: the pattern length input k is 2 × ( − 1) where is the number of levels of the converter, and the depth input d is 1, which means that the decomposition is found after a single bisection. Note however that such simple decompositions of the state space do not necessarily exist for other topologies: for multilevel modular converter toplogy [7], we had to propose in [13] a different and specialized algorithm which takes additionally into account the value of the intensity state.…”

Section: Final Remarksmentioning

confidence: 99%

Correct-by-design Control Synthesis for Multilevel Converters using State Space Decomposition

Feld

Fribourg²,

Labrousse

et al. 2014

Electron. Proc. Theor. Comput. Sci.

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High-power converters based on elementary switching cells are more and more used in the industry of power electronics owing to various advantages such as lower voltage stress and reduced power loss. However, the complexity of controlling such converters is a major challenge that the power manufacturing industry has to face with. The synthesis of industrial switching controllers relies today on heuristic rules and empiric simulation. The state of the system is not guaranteed to stay within the limits that are admissible for its correct electrical behavior. We show here how to apply a formal method in order to synthesize a correct-by-design control that guarantees that the power converter will always stay within a predefined safe zone of variations for its input parameters. The method is applied in order to synthesize a correct-by-design control for 5-level and 7-level power converters with a flying capacitor topology. We check the validity of our approach by numerical simulations for 5 and 7 levels. We also perform physical experimentations using a prototype built by SATIE laboratory for 5 levels.

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Section: Final Remarksmentioning

confidence: 99%

Correct-by-design Control Synthesis for Multilevel Converters using State Space Decomposition

Feld

Fribourg²,

Labrousse

et al. 2014

Electron. Proc. Theor. Comput. Sci.

Self Cite

View full text Add to dashboard Cite

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Use of a full wave correct-by-design command to control a multilevel modular converter

Abstract: This paper proposes a method to synthesize a full wave control applied to a multilevel modular converter (MMC). This method guarantees the output waveform and the balancing of the capacitors. Numerical simulations and experiments are used to check the validity of the approach.

Cited by 1 publication

References 10 publications

Correct-by-design Control Synthesis for Multilevel Converters using State Space Decomposition

Correct-by-design Control Synthesis for Multilevel Converters using State Space Decomposition

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