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A MCU-based charger for the LiFeO4 battery pack is implemented in this paper. The main circuit is a full-bridge phase-shift converter. The user can select the charging strategy and observe the state of charge (SOC) of the battery from the operation interface. Moreover, the proposed charger system communicates with the battery management system via the I2C interface, and generates the charging current...
This paper analyses and designs a new soft-switching single-phase high power factor voltage-doubler rectifier. The proposed rectifier combines the conventional pulse-width-modulation technique, soft commutation technique and instantaneous average line current control to promote the circuit performance. Comparison with conventional boost rectifier, the proposed rectifier own double voltage function...
This paper investigates a high voltage pulse driver for driving carbon nanotube field emission lamp (CNT-FEL) based on a two-switch flyback topology. The proposed driver incorporates an energy recovery circuit to feedback the excess energy to DC bus, thus eliminating the arcing phenomenon caused by the traditional DC driving and improving the system efficiency. Analytical modeling, complete design...
This paper analyses and designs a zero-current-switching single-phase high power factor voltage-doubler rectifier. The proposed rectifier combines the conventional pulse-width-modulation technique, soft commutation technique and instantaneous average line current control to promote the circuit performance. Comparison with conventional boost rectifier, the proposed rectifier own double voltage function...
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