| 摘要 |
PROBLEM TO BE SOLVED: To solve such a problem that a work for switching the display screen is complicated for an operator, and it is desirable to be able to easily compare the information of a protection relay at self-end or the information of a protection relay at other end, and to provide a protection relay in which a plurality of types of information can be compared easily.SOLUTION: A protection relay includes a display section having a plurality of screen display regions, and a self-end information output section for outputting the self-end display information, i.e., the display information of a self-end protection relay, to the display section. The display section displays the self-end display information, outputted by the self-end display information output section, in time series for every screen display region. |
