Power conversion device and control method thereof

Details Power conversion device and control method thereof Power conversion device and control method thereof

2009-07-21

2011-11-15

Berhane, Adolf (Department: 2838)

Electric power conversion systems

Current conversion

With condition responsive means to control the output...

C363S017000, C363S021020, C363S132000

Reexamination Certificate

active

08059434

ABSTRACT:
A power conversion device is provided for converting a DC voltage to an alternating current corresponding to an AC voltage according to the AC voltage, which includes a power conversion unit and an output unit. The power conversion unit converts the DC voltage to a high-frequency current having two envelops corresponding to the waveform of the AC voltage. The output unit includes an inductive circuit, a full-wave rectifying circuit, an inverter circuit and a filter circuit. The inductive circuit provides two induced currents according to the high-frequency current, wherein one induced current and the high-frequency current are in phase, and the other induced current and the high-frequency current are in antiphase. The full-wave rectifying circuit full-wave rectifies the two induced currents. The inverter circuit alternatively transfers the two full-wave rectified induced currents, and thus output an output current. The filter circuit filters the output current to provide the alternating current.

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