| 摘要 |
The object of the present invention is to provide a high-quality and high-efficiency AC power device. The present invention provides a high-quality and high-efficiency AC power device. The AC power device includes a switching inverter for generating the standard signal control of AC voltage, and a power amplifier. The AC voltage outputted from the switching inverter of the AC voltage generating mechanism is overlapped with a DC compensating voltage. This overlapped DC compensating voltage is used as a power amplifier to execute power driving for the output to the load. At the same time, the power loss amount output signal of the power amplifying section of this power amplifier is used as a negative feedback control signal for output to the switching inverter, and the sum of this signal and the standard signal for generating AC voltage is used to control the switching inverter. |
