DISPLAYING METHOD FOR TROUBLE OF DISTRIBUTION SYSTEM

摘要

PURPOSE:To know a trouble within a predetermined past time by providing main display means for operating to display at the time of power interruption due to a trouble at a load side, and sub display means for displaying it continuously for a predetermined period of time. CONSTITUTION:A display cover having an inspection window is attached to the center on the bottom of a short-circuit ground-fault display unit. A main display 10 and sub displays 11, 12 are provided in the cover. The display 10 operates to display at the time of power interruption due to the trouble at the load side of a distribution system. On the other hand, the displays 11, 12 operate to display it continuously for a predetermined period of time on the basis of the displaying operation of the display 10 even if the display 10 finishes to display it after the trouble is recovered.