| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a power conversion apparatus for suppressing secondary harmonics vibration of transmission power which occurs due to asymmetrical accident, and stably supplying electric power. <P>SOLUTION: The apparatus is provided with a first transformer converting three phase AC power supplied from one three phase power system into independent first to third single phase AC powers, first to third AC/DC/AC conversion means which independently convert first to third single phase AC powers into DC power, and converting DC power into fourth to sixth single phase AC powers, a second transformer converting fourth to sixth single phase AC powers into three phase AC power and supplying it to the other three phase power system and a control means for controlling the first to third AC/DC/AC conversion means so that transmission current suppressing secondary harmonics vibration is supplied to respective phases in the other three phase power system. <P>COPYRIGHT: (C)2007,JPO&INPIT |
