| 摘要 |
PROBLEM TO BE SOLVED: To keep fans for cooling a power conversion section in an operable state.SOLUTION: An inverter device includes a power conversion section CNV for converting DC power to AC power and superimposing the AC power converted onto a commercial power system 3, and fans FN1, FN2 operable to lower the temperature of the power conversion section CNV when the temperature of the power conversion section CNV is equal to or higher than a predetermined value. After the detection of a predetermined or longer period of operation stop of the fans FN1, FN2, the fans FN1, FN2 are forced to operate. |
