Patent ID: 11916434
Assignee: TOSHIBA MITSUBISHI—ELECTRIC INDUSTRIAL SYSTEMS CORPORATION
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 2:
3. The power conversion device according to claim 2, wherein
the chopper and the capacitor constitute a bidirectional chopper,
the power conversion device further comprises:
a converter that converts AC power supplied from an AC power supply into DC power; and
an inverter that converts DC power supplied from the converter or the bidirectional chopper into AC power and supplies the AC power to an AC load,

the inverter and the AC load constitute the DC load, and
the bidirectional chopper stores a part of the DC power generated by the converter in the power storage device when the AC power supply is normal, and supplies the DC power of the power storage device to the converter when a power failure of the AC power supply occurs.