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This paper discusses the design and analysis of a 380/12 V DC-DC high efficient LLC converter having a power output of 750W. The ripple in output voltage is brought down to 0.09V. It works with an efficiency of 96.1 percent at full load, 97.2 percent efficiency at 50 percent load and 91.2 percent efficiency at 10 percent load. Since zero voltage and zero current switching are used, losses are reduced...
Solar is a kind of new energy, and photovoltaic power generation is an important way of distributed generation; FREEDM system is a kind of Energy Internet model, which is presented by Professor Alex Q. Huang from North Carolina State University in 2008. Combining the advantages of photovoltaic power generation and FREEDM system, this paper proposes a kind of grid-connected photovoltaic power generation...
This paper is concerned with the design and simulation of a pulse width modulation (PWM) rectifier for three-phase Permanent Magnetic motor drive. Based on the mathematical model of PWM rectifier, the dual-close-loop engineering design with decoupled feed-forward control is applied in the 3-phase voltage source rectifier. The objective to be reached is to realize unity power factor at the input ac...
Half-bridge DC-DC converter with a current doubler rectifier is suited for low-voltage high-current on-board DC-DC converters. Due to the fact that peak-current-mode cannot be directly applied to the conventional half-bridge DC-DC converter, the voltage-mode control is most likely utilized. However, in this case, the DC current sharing between two inductors of the current-doubler rectifier cannot...
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