| 摘要 |
<P>PROBLEM TO BE SOLVED: To suppress variation in amplitude of an AC voltage being applied to a load device rationally. <P>SOLUTION: A voltage variation suppressor is interposed between an AC power supply and a load device and supplies an AC voltage outputted from the AC power supply to the load device while suppressing variation in AC voltage amplitude. The device comprises a section for comparing the amplitude in each period of the AC voltage outputted from the AC power supply with a reference voltage and outputting a voltage showing the difference sequentially, a section for generating a compensation voltage having an amplitude of the voltage showing the difference and being synchronized with an AC voltage outputted from the AC power supply, and a section for supplying the compensation voltage to the load device while being superimposed on the AC voltage outputted from the AC power supply. <P>COPYRIGHT: (C)2009,JPO&INPIT |
