Patent ID: 11888411
Assignee: MITSUBISHI ELECTRIC CORPORATION
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 2:
3. The power conversion device according to claim 1, wherein
the main circuit power supply device includes N number of the voltage-division power storage elements connected in series, and the voltage adjustment circuits whose number is not less than 2 and not greater than (N−1), N being an integer not less than 3,
the N number of voltage-division power storage elements connected in series are connected in parallel to the main circuit power storage element,
a set of the voltage-division power storage elements is composed of n number of the voltage-division power storage elements, n being an integer in a range of 2≤n≤(N−1), and
a kth one of the voltage adjustment circuits from a positive side of the main circuit power storage element is connected to the set of voltage-division power storage elements composed of kth to (k+n−1)th ones of the voltage-division power storage elements from the positive side of the main circuit power storage element, k being an integer in a range of 1≤k≤(N−1).