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Digitally Controlled Boost PFC Converter with Improved Output Voltage Controller

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Abstract

A novel digital voltage controller for boost PFC converters is proposed in this paper. If a fast voltage compensator is applied to control the DC output voltage, the DC output voltage ripple, pulsating at twice the grid frequency, causes a third harmonic of considerable magnitude in the line current. The new controller samples the DC-bus voltage at all zeroes of its ripple, resulting in a fast voltage control algorithm that guarantees a low total harmonic distortion in the line current. The performance of the proposed voltage controller is compared to other voltage controllers, by using a prototype of a digitally controlled boost PFC convertor.

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Authors and Affiliations

  1. Department of Electrical Energy, Systems and Automation (EESA), Electrical Energy Laboratory (EELAB), Ghent University, Sint-Pietersnieuwstraat 41, 9000, Gent, Belgium

    Frederik M. L. L. De Belie, Koen De Gussemé, Wouter R. A. Ryckaert & Jan A. A. Melkebeek

  2. Inverto N.V., Jacques Parijslaan 8, 9940, Evergem, Belgium

    David M. Van de Sype

Authors
  1. Frederik M. L. L. De Belie
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  2. David M. Van de Sype
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  3. Koen De Gussemé
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  4. Wouter R. A. Ryckaert
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  5. Jan A. A. Melkebeek
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Correspondence to Frederik M. L. L. De Belie.

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De Belie, F.M.L.L., Van de Sype, D.M., De Gussemé, K. et al. Digitally Controlled Boost PFC Converter with Improved Output Voltage Controller. Electr Eng 89, 363–370 (2007). https://doi.org/10.1007/s00202-006-0013-7

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  • DOI: https://doi.org/10.1007/s00202-006-0013-7

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