| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide an islanding operation detecting method capable of maintaining the sensitivity of detecting islanding operation at excellent or comparatively excellent state as a whole while reducing the effect on a power system, irrespective of the state of islanding operation. <P>SOLUTION: In this islanding operation detecting method, a plurality of kinds of islanding operation detecting systems for applying electrical variation for detecting isolating operation to a power system, and the isolating operation detecting systems are combined with each other to remove or reduce a dead zone in detection of isolating operation. <P>COPYRIGHT: (C)2009,JPO&INPIT</p> |
