Patent ID: 11888386
Assignee: MITSUBISHI ELECTRIC CORPORATION
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 1:
2. The power conversion device according to claim 1, wherein
the controller
provides pulse width modulation control on each of the three single-phase inverters based on a corresponding one of the mean voltage commands,
superimposes the common voltage component on each of the three mean voltage commands to make a first mean voltage command equal to a first voltage in a time period during which the first mean voltage command is greater than the first voltage, the first mean voltage command having a highest value among the three mean voltage commands, the first voltage having a maximum value of voltages caused to be output by the single-phase inverters, and
superimposes the common voltage component on each of the three mean voltage commands to make a second mean voltage command equal to a second voltage in a time period during which the second mean voltage command is less than the second voltage, the second mean voltage command having a lowest value among the three mean voltage commands, the second voltage having a minimum value of the voltages caused to be output by the single-phase inverters.