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Two model-based controllers for the quadratic boost converter with different number of sensors are presented and compared. The quadratic boost converter model is a bilinear control system whose linearization has complex right-half plane zeros. Common-use controllers consist in current and voltage control loops and rely on the requirement that the current dynamics is faster than the voltage dynamics...
This paper studies a modified DC-DC boost converter where the input inductance has been replaced by an LCL filter. The voltage conversion ratio of the proposed converter is equivalent to the conversion ratio of a conventional boost converter, and it has only one active switching device. A controller is proposed to regulate the output voltage to a given reference with guaranteed reduced input current...
This paper presents a comparison between two different passive filters for power converters tied to the grid with the application of active power injection. It addresses the L (inductive) filter and the LCL (inductive-capacitive-inductive) filter in single-phase power converters for which are presented the parameter design and modeling. These filters provide coupling of the power converter to the...
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