SYSTEMS AND METHODS FOR OPERATING AN AC/DC CONVERTER WHILE MAINTAINING HARMONIC DISTORTION LIMITS

Alternating current to direct current (AC/DC) converter control systems and methods are operable to source high values of DC loads or source low values of DC loads while maintaining harmonic distortion limits. An exemplary embodiment receives direct current (DC) load information corresponding to a D...

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Bibliographische Detailangaben
Hauptverfasser: SAXENA SUNIT KUMAR, MAHAJAN DEEPAK BHIMRAO
Format: Patent
Sprache:eng
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Zusammenfassung:Alternating current to direct current (AC/DC) converter control systems and methods are operable to source high values of DC loads or source low values of DC loads while maintaining harmonic distortion limits. An exemplary embodiment receives direct current (DC) load information corresponding to a DC load drawn from an alternating current (AC) network by an AC/DC converter, wherein the AC network also sources a plurality of AC loads, and wherein harmonics output from the AC/DC converter is limited to at least a specified harmonic distortion limit; compares the DC load information with a load threshold; in response to the DC load information being at least equal to the load threshold, operates the AC/DC converter under continuous conduction mode (CCM) control; and in response to the DC load information being less than the load threshold, operates the AC/DC converter under critical conduction mode (CRM) control.