| 摘要 |
PROBLEM TO BE SOLVED: To provide a power conversion system composed of plural sets of inverters that receive power from a common DC power supply and operate independently, wherein a faulty inverter can be quickly replaced with a normal one without stopping the whole power conversion system.SOLUTION: The power conversion system 60 shown in Fig.1 comprises disconnectors 25, 35, 45 and 55 and electromagnetic contactors 26, 36, 46 and 56 which constitute a first switch circuit and electromagnetic contactors 27, 37, 47 and 57 which constitute a second switch circuit, so that the inverter can be quickly replaced with a normal inverter unit. |
