| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a technology for supplying power regardless of variation in power after a joint by coupling a plurality of AC codes. <P>SOLUTION: Phase differences between respective AC voltages at AC codes 3 and 4 connected, respectively, with two AC supply sources 1 and 2 are detected at a plurality of detecting sections 9. When there is a phase difference of 180°, a connection switching section 10 switches the phase of any AC code 4 to become in-phase. Output sides of a plurality of AC codes substantially brought into in-phase are coupled at a coupling section 5 comprising a transformer, for example, so that power is supplied from its secondary side to a load. <P>COPYRIGHT: (C)2007,JPO&INPIT |
