| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a fault detection device of a GIS that can exactly detect an energizing current for discriminating an internal fault of the GIS by using a simple accessory (attachment) without touching the inside of the GIS. <P>SOLUTION: A Rogowsky coil 21 is installed so as to annularly surround a lead conductor 11 of the GIS 10, and the Rogowsky coil is arranged in a position that surrounds a protrusive insulating bushing 12 formed at a conductor lead-out part (111) of the GIS 10, thus detecting the energizing current for discriminating the internal fault of the GIS. <P>COPYRIGHT: (C)2006,JPO&NCIPI</p> |
