GE 850 - Page 305

CHAPTER 6: PROTECTION SETPOINTS CURRENT ELEMENTS
850 FEEDER PROTECTION SYSTEM – INSTRUCTION MANUAL 6–37
Figure 6-13: Ground Directional Voltage-polarized Characteristics
Path: Setpoints > Protection > Group 1(6) > Current > Ground Directional OC 1(X)
FUNCTION
Range: Disabled, Enabled
Default: Disabled
SIGNAL INPUT
Range: dependant upon the order code
Default: CT Bank 1-J1
This setting provides the selection for the current input bank. The default bank names
can be changed in: Setpoints > System > Current Sensing > [Name] > CT Bank Name.
827805X1.CDR
VAG
(reference)
VBG
VCG
-Ig line
Ig line
ECA line
-ECA line
LA
LA
LA
LA
ECA
FWD LA
line
FWD Operating
Region
REV Operating
Region
FWD LA
line
REV LA
line
REV LA
line
-3V_0 line
3V_0 line