Abstract

AbstractThrough the last three decades, Passivity-Based Control (PBC) has been positioned as an important framework for the control of nonlinear systems, and PBC design has been widely used for controlling switched-mode power converters. In this paper, a power-based controller is derived for the indirect stabilization of the average constant voltage in the dc-side and unity power-factor in the ac-side for the boost full bridge converter. These control objectives are achieved for both the rectifier and the regenerative operating mode, since the AC-DC power converter is operating in bidirectional power flow. Moreover, the approach used here is based on the Brayton-Moser framework which naturally renders the conditions of stability and tuning of control parameters. Simulated result confirm the validity of theoretical design.

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