DEVICE FOR CHANGING A THREE-PHASE DISPLAY IN ELECTRONIC PROTECTIVE RELAY

摘要

PURPOSE: Three phase display changing system of the electronic relay measuring tools simply can vary the display type of three phase power source into the user discretion. CONSTITUTION: The display mode setting part(150) adjusts the display sequence of the angular inputted from outside as the user discretion. It software, the display permutation(170) varies the display sequence of the angular inputted according to the display mode of the display mode setting part from outside.