Dead-zone digital controllers for improved dynamic response of low harmonic rectifiers

Abstract

This paper introduces a simple digital control method that enables fast regulation of the output voltage in low harmonic rectifiers with power factor correction (PFC). The method is based on the use of an insensitive region, i.e., "dead-zone," in analog-to-digital conversion, for elimination of the output capacitor voltage ripple in the feedback loop. The… (More)

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