| 摘要 |
<P>PROBLEM TO BE SOLVED: To prevent a trip accident of no fuse breaker in a distribution board. <P>SOLUTION: A trip proximity signal of an NFB is reported in the timing exceeding a preset current value while holding the peak value of a detected current by always supervising the current value of the no fuse breaker, so that coping with prevention of the trip accident of the NFB can be executed. <P>COPYRIGHT: (C)2004,JPO |
