Patent ID: 11888396
Assignee: TOKYO INSTITUTE OF TECHNOLOGY AND
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 4:
5. The chopper circuit according to claim 4, further comprising:
a semiconductor power converter control unit configured to control a power conversion operation of the at least one semiconductor power converter to output a current containing a direct-current component and an alternating-current component having a predetermined period; and
a switch control unit configured to control one of the first switch unit and the second switch unit to be ON and control the other switch unit to be OFF, the switch control unit being configured to perform switching from ON to OFF and switching from OFF to ON for the first switch unit and the second switch unit when a value of a current output from the at least one semiconductor power converter is controlled to be not more than a predetermined value by the semiconductor power converter control unit.