| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a power circuit having the function of detecting an abnormality of power voltage and preventing the breakage of parts, the generation of abnormal noise and the like, and to provide an air conditioner with the power circuit. <P>SOLUTION: The power supply includes an input terminal connected with a power voltage, a drive power generating means for generating drive power for controlling an apparatus on the basis of the power voltage fed to the input terminal, a waveform-detecting means for detecting a feeding voltage waveform based on the power voltage fed to the input terminal, an abnormality- determining means for determining whether there is an abnormality on the basis of the feeding voltage waveform detected by the waveform detecting means, and an output control means for controlling the drive power generated from the drive power generating means when the abnormality of power supply is detected by the abnormality-determining means. <P>COPYRIGHT: (C)2003,JPO |
