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Solar and fuel cells are widely used, as renewable electrical power source need transformer-less DC/DC coupling converters. One of the promising types of DC/DC converters is the D-square DC/DC converter that extends significantly the conversion range in comparison with a classical DC/DC converter. Two control strategies: the traditional modulation and the sliding-mode control, for a novel D-square...
AC/DC converter systems generally have two stages: an input power factor correction (PFC) boost ac/dc stage that converts input ac voltage to an intermediate dc voltage while reducing the input current harmonics injected to the grid, followed by a dc/dc converter that steps up or down the intermediate dc-bus voltage as required by the output load and provides high-frequency galvanic isolation. Since...
A single-switch dual-output buck DC/DC converter with digital time-multiplexing control (TMC) technique is presented in this paper. Adaptive weighted voltage control (WVC) is introduced over the existing fixed WVC for power conversion and it is capable of flexibly and dynamically distributing output voltage errors. The digital TMC is implemented by a low cost micro-controller. Simulation and experimental...
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