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A new control scheme for a hybrid two-stage matrix converter


S. Mariéthoz

IEEE IECON, Industrial Electronics Conf., Paris, France, pp. 5347 - 5353

Matrix converters have no boost capabilities and their output voltage amplitude is therefore reduced compared to back-to-back inverter topologies. Moreover, they are sensitive to grid voltage fluctuations and distur- bances and the voltage transfer ratio is further reduced un- der such grid perturbations. The introduction of a H-bridge in the DC-link of the two-stage matrix converter results in a topology that allows to overcome these drawbacks by the means of an appropriate control. The present paper pro- poses a new control scheme that minimizes the losses and control complexity of the latter topology. This results in a converter that has higher voltage transfer ratio and similar energetic efficiency than the conventional two-stage matrix converter together with a low sensitivity to grid unbalances.


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S. Mariéthoz

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% Autogenerated BibTeX entry
@InProceedings { Xxx:2006:IFA_2628,
    author={S. Mari{\'e}thoz},
    title={{A new control scheme for a hybrid two-stage matrix
    booktitle={IEEE IECON, Industrial Electronics Conf.},
    pages={5347 -- 5353},
    address={Paris, France},
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