Patent ID: 9293979
Filing Date: 2016-03-22
CPC Classification: H02M

Claim Text:
1. A power conversion apparatus comprising: a power conversion circuit that includes a path configured to form a closed loop by connecting a first switch and a second switch in series, connecting a first capacitor and a second capacitor in series, and connecting the first switch and the second switch respectively to the first capacitor and the second capacitor, to connect a connection point between the first switch and the second switch and a connection point between the first capacitor and the second capacitor through a series circuit of an AC power supply, a low pass filter, an inductor, and a load, and to bypass the AC power supply and the low pass filter; a circuit current detection portion configured to detect a circuit current that flows through the power conversion circuit; a supply voltage detection portion configured to detect a voltage of the AC power supply; and a control portion configured to output pulse signals for alternately opening and closing the first switch and the second switch to the first switch and the second switch based on the circuit current detected by the circuit current detection portion and a supply voltage detected by the supply voltage detection portion so that a current in which a high frequency component is mixed with a low frequency component of the AC power supply flows to the power conversion circuit.