| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a distributed power supply system capable of being prevented from becoming parallel-off from a system simultaneously when system voltage drops instantaneously. <P>SOLUTION: In a distributed power supply device controlling an inverter circuit 10 based on a control signal obtained by comparing a prescribed carrier signal with a three-phase voltage command signal so as to convert DC power into AC power to supply the AC power to a power system in a three-phase AC power source 1, a three-phase fundamental wave signal is generated from a system voltage of the three-phase AC power source 1, a fundamental cosine wave signal is generated from the three-phase fundamental wave signal, a third harmonic signal is generated from the fundamental cosine wave signal and the three-phase fundamental wave signal, and the three-phase voltage command signal is generated by adding the three-phase fundamental wave signal and the third harmonic wave signal. <P>COPYRIGHT: (C)2013,JPO&INPIT |
