发明授权
US07580272B2 Power source apparatus 有权
电源设备

Power source apparatus
摘要:
A boost chopper circuit converts AC power to DC voltage and supplies the DC voltage to a load. The boost chopper circuit includes a switching element and a reactor. A controller ON/OFF controls the switching element based on a comparison result in an interval of the former half of a half cycle of the AC power between a detected input current by a input current detector and a current instruction value of a modeling waveform obtained by reducing a harmonic component of a predetermined order from the current waveform.
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