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Bidirectional power flow in energy storage facilities is common and required. Energy supply from energy storages and energy imbursement back to the storages and preferably at high-efficiency are basic operations for these kinds of equipment. Since the boom growth on uninterruptable power supplies for critical loads and electric vehicles, storages, especially batteries, are in deep demands nowadays...
This paper presents an analysis of high efficiency feasibility at wide load in LLC-SRC Resonant Converter. LLC-SRC Resonant Converter could be achieved zero voltage switching turn on by resonant scheme. A fixed deadtime must be larger than the discharge time for the effective drain-source capacitance of Mosfet during switching off. Ensure that parasitic capacitance of the half bridge including Mosfet's...
This paper presents a novel interleaved and isolated DC to DC buck converter with high voltage ratio. The converter consists of a half-bridge converter and a forward converter which are connected in parallel with a common load. As being one of interleaved DC to DC converters, it has smaller output current ripples within wide duty ratio, and it also has isolated input/output parts and higher voltage...
A high-order switching surface for boundary control of inverters is presented in this paper. The concept is based on using the natural response of the power stage to formulate a logarithmic function to approximate the ideal switching surface. With the proposed control method, the inverter exhibits better dynamic responses than the ones with the first-order or recently proposed second-order switching...
A high efficiency DC/DC converter for low output voltage/high output current applications is proposed in this paper. To substantially enhance efficiency, a current-doubler synchronous rectifier is combined with the asymmetrical half-bridge converter retaining inherent zero voltage switching property. Power losses of the primary switches and the secondary rectification stage can be significantly reduced...
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