| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an uninterruptible power supply device that is easily initialized and in which sharing of load does not fluctuate due to aged deterioration. <P>SOLUTION: The uninterruptible power supply includes: a communicating means (I/F 20j) that transmits and receives predetermined information to and from other uninterruptible power supplies; a first controlling means (first control circuit, 20h) that controls output state according to information from some other uninterruptible power supply, received by the communicating means; a second controlling means (second control circuit, 20i) that refers to information related to the relevant uninterruptible power supply's situation of output and controls an output state; and a selecting means (first control circuit 20h and second control circuit 20i) that selects control by the second controlling means in normal operation and control by the first controlling means in operation other than normal operation. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
