| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide an accident-point standardizing device of a gas insulation power apparatus that not only specifies a gas section which has been subjected to an accident and but also determines the detailed occurrence position in the gas section, the position of which it occurs, when an internal ground fault and short-circuit accident occur in a gas insulation power apparatus. <P>SOLUTION: Two detectors 6a and 6b are arranged at a suitable interval in one gas section. A signal processor 7 specifies the accident occurring position in the gas section, based on the speed of pressure wave generated by arc by accident occurrence, the time difference between the timings, when detectors 6a and 6b detect a phenomenon caused by the accident occurrence, and the arrangement interval of the detectors. <P>COPYRIGHT: (C)2010,JPO&INPIT</p> |
