pressed this button will turn red and display
Stop. Pressing Stop at any time will stop the
test and turn the outputs off.
3.8.4.8 Differential Relay Polarizing Test Results
This screen displays the results upon test completion. No data may be entered in this screen.
Figure 58 Differential Polarizing Test Screen
This test is suggested by some relay manufacturers. Three currents channels in parallel will be
used and there is no need for detecting a change in state of the relay contact. Accordingly, the
test itself consists in applying a large amount of current for a very short time.
The bottom of the screen has common buttons.
File:
This selection will take the user to the File
Manager.
Batt Sim Off / Batt Sim On:
This selection will turn the Battery Simulator On
and Off.
Test Menu:
This selection will return the controller to the
Test Menu Screen.
Main Menu:
This selection will return the controller to the
Main Menu:
Start / Stop:
This selection will apply the set quantities
displayed and begin the test. After Start is
pressed this button will turn red and display
Stop. Pressing Stop at any time will stop the
test and turn the outputs off.
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