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Integral anti-windup is crucial for controlling converters subjected to constrains by the dc-link voltage. However, little literature is available about anti-windup if PR-controllers are applied. This paper presents a new approach to tackle this problem by controlling damping of the resonator. Another aim is to analyze why one common anti-windup strategy for PI-controllers, that reduces the input of the integrator, also works for PR-controllers. Even though the proposed damping anti-windup showed a somewhat lesser performance than the conventional one, it ensured stability. The newly proposed strategy is inherently stable and thus easy to tune. In particular, it is a reliable anti-windup for DSP-controlled converters.
Date of Conference: Aug. 30 2011-Sept. 1 2011