Figure 42. A logic diagram explaining how the voltage supervised Sensitive Earth function
works.
Disable Trip check box
When checked, the output of the Inverse Section only activates the
Alert/DNP
status
and will not trip the IntelliRupter fault interrupter. However, a Sensitive Earth Element
Definite Time Trip event still can trip the IntelliRupter fault interrupter.
Delay Timer
The
Delay Timer
starts when the logic shown on the screen has been satisfied. The
Delay Timer
stops timing when this logic is no longer satisfied and begins resetting
per the
Delay Timer Reset Time
setting. (Range: 0-600 seconds; Step: 0.1; Default: 1)
Delay Timer Reset Time
When the
Delay Timer
stops timing, it begins resetting per the
Delay Timer Reset
Time
setting. (Range: 0-600 seconds; Step: 0.1; Default: 1)
S&C Instruction Sheet 766-530 61
Protection Setup