| 摘要 |
PROBLEM TO BE SOLVED: To provide a power converter in which capacitors are protected from overvoltage.SOLUTION: A unit converter 1 includes: a plurality of switching elements 2 connected in series; a DC capacitor 4 which is connected in parallel to the plurality of switching elements 2 connected in series; and active clamp circuits 6 that protect the DC capacitor 4 from an overvoltage state. |
