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According to the requirement of fuel cell generation system, this paper presents a new single-stage and boost-voltage grid-connected inverter, as well as the signal modulation diagram in a line cycle. In the proposed inverter, one of the bridge legs is shared with a boost converter. The boost inductor current is designed in discontinuous conduction mode, which can effectively decrease low-frequency...
A new scheme of cascaded inverter configuration with separated filters is proposed in this paper. Compared to the structure with centralized filter, it has the same output performance and can be further modularized. Furthermore, it has better fault tolerance ability when open circuit of switches occurred, thus the reliability is enhanced. Analysis based on a four-cell cascaded inverter with separated...
An aircraft shunt active power filter using three-phase four-leg converter is proposed in this paper. The SAPF provide an appropriate solution for the neutral current in three-phase four-wire system and the suitable current controller in higher frequency aircraft power systems. The fixed frequency current controller adopting 3DSVM strategy is applied to balance the asymmetrical current. The simulation...
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