| 摘要 |
An inverter power supply device having first and second inverter units operated in series or parallel operation, and a controller to control said inverter units, wherein one output terminal of the first inverter unit is connected to one output terminal of the second inverter unit, and another output terminal of the first inverter unit and another output terminal of the second inverter unit are connected to high-voltage-load connection terminals, the one output terminal and the other output terminal of one of the inverter units are connected to one and the other of low-voltage-load connection terminals, a switch is connected between the high-voltage-load connection terminals, and said controller controls said inverter units so that outputs of said units are added together in phase and applied between the high-voltage-load connection terminals when said switch is turned off, and the outputs of said units are added together in phase and applied between the low-voltage-load connection terminals when said switch is turned on.
|
