Power converting device supplying AC voltage of a continuous wav

Details Power converting device supplying AC voltage of a continuous wav Power converting device supplying AC voltage of a continuous wav

1998-01-14

1999-10-19

Berhane, Adolf Deneke

Electric power conversion systems

Current conversion

Using semiconductor-type converter

363 60, H02M 75387

Patent

active

059699639

ABSTRACT:
A power converting device includes at least power source section providing a pulsation voltage output of a stepped waveform, and a piezo-electric element for shaping output voltage waveform of the power source section substantially into a sinusoidal waveform and boosting and dropping output voltage value of the power source section. A fundamental wave component of the piezo-electric element is transformed by a boosting and dropping element and a filter element to be applied to a load, whereby it is enabled to apply to the load a required voltage of a substantially continuous waveform, without employing any element of high withstand voltage nor decreasing power conversion efficiency.

REFERENCES:
patent: 5548189 (1996-08-01), Williams
patent: 5675484 (1997-10-01), Shimada
patent: 5705877 (1998-01-01), Shimada
patent: 5761058 (1998-06-01), Kanda et al.

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