Patent ID: 11949322
Assignee: TOSHIBA MITSUBISHI—ELECTRIC INDUSTRIAL SYSTEMS CORPORATION
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 3:
4. The power conversion device according to claim 3, wherein
the first cell set to the m-th cell set are connected in series in an order of the first cell set to the m-th cell set,
each of the first control device to the m-th control device calculates the cell set phase representative value of the voltage values of the unit converters included in a cell set in each of the first arm to the third arm, each of the cell sets being controlled by a corresponding one of the first control device to the m-th control device,
the integer k is equal to or greater than 2 and equal to or less than (m−1),
the k-th control device receives a first phase representative value of cell set phase representative values calculated by the first control device to the (k−1)-th control device from the (k−1)-th control device, and transmits a value representing the cell set phase representative value calculated by the k-th control device and the first phase representative value to the (k+1)-th control device,
the k-th control device receives a second phase representative value of cell set phase representative values calculated by the (k+1)-th control device to the m-th control device from the (k+1)-th control device, and transmits a value representing the cell set phase representative value calculated by the k-th control device and the second phase representative value to the (k−1)-th control device, and
the k-th control device calculates the phase representative value in each of the first arm to the third arm based on the first phase representative value, the cell set phase representative value calculated by the k-th control device, and the second phase representative value.