MENTOR 12 USER’S MANUAL SECTION 3: ADVANCED CONTROL – Page 71
Execution
The execution of the configured Pulse Ramp starts immediately
when you press the key marked “Execute” on the configuration
screen, skipping to the execution screen. Here a window is
displayed where you can see how the ramp is executed. The
scale of the elected magnitude is presented on the y-axis and
the time scale on the x-axis. Both scales and their divisions are
automatically calculated and cannot be edited by the user.
When the selected trip condition occurs, the test stops, the
power outputs disconnect after the selected switch time and a
yellow-colored vertical line appears on the execution screen,
indicating the moment when the trip occurred. If other trip
signals have occurred during the test execution but they have
not been considered valid because they have occurred outside
the fault state, they will also appear on the graphic, exactly
where they took place.
Furthermore, on the bottom of the screen on the results
window, the following test results appear:
• The TRIP TIME, which shows the time that has
elapsed in seconds between the moment when the
increase occurs where the trip has occurred and the
moment when this trip occurs, which is, in effect, the
relay trip time at that specific value.
• The TRIP VALUE (level), which shows the value in
its relative unit that causes the relay to trip.
• The total DURATION of the test (END), which shows the total time used by
the function to carry it out.
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