GE D90 Plus Instruction Manual page 202

GROUPED PROTECTION ELEMENTS
194
Figure 149: Phase time overcurrent voltage restraint characteristic
Select the Settings > Protection > Elements > Group 1 > Current > Phase TOC menu item
to open the phase time overcurrent configuration window.
Figure 150: Phase time overcurrent configuration settings
The following settings are available for each phase time overcurrent element.
Function
Range: Enabled, Disabled
Default: Disabled
This setting enables and disables the phase time overcurrent protection element.
Signal Source
Range: LINE (SRC 1), BKR 1 (SRC 2), BKR 2 (SRC 3)
Default: LINE (SRC 1)
This setting selects the signal source for the phase time overcurrent protection element.
Input
Range: Phasor, RMS
Default: Phasor
This setting selects how phase current input quantities are interpreted by the D90
Inputs can be selected as fundamental phasor magnitudes or total waveform RMS
magnitudes as required by the application.
PLUS
D90 LINE DISTANCE PROTECTION SYSTEM – INSTRUCTION MANUAL
CHAPTER 7: PROTECTION
Plus
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