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An extra-high voltage gain, non-isolated dual charge-pump DC-DC multilevel boost converter is described in this paper. The proposed converter circuit is divided into two parts: dual charge-pump switched-inductor cell and a multilevel converter. A detailed analysis of operating modes and characteristics of the converter were presented and verified by the experimental results of the prototype circuit...
Renewable energy sources such as Photovoltaics (PVs) and Fuel Cells (FCs) generate DC voltage/current and have a high internal resistance/nonlinear V/I dependence, which is why a digitally controlled power electronic interface is always needed to facilitate connection to an AC grid and maximum power extraction. This paper evaluates four single-stage power electronic converters for PVs: the traditional...
The current source inverter (CSI) is preferred to interface a renewable source such photovoltaics (PV) to the AC power grid because it can provide smooth current source in the DC side, which fits to the PV behaviour and also steps-up the voltage from DC side to AC side, which allows smaller and safer DC voltage levels to be used. However, the CSI has the problem that during an AC grid fault, it cannot...
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