ABB REL670 - Additional Distance Protection Directional Function for Ground Faults ZDARDIR; Directional Impedance Element for Mho Characteristic ZDMRDIR (21 D); Directional Impedance Quadrilateral, Including Series Compensation ZDSRDIR (21 D); Directional Impedance ZDRDIR (21 D)

11.6.3.8 Directional impedance ZDRDIR (21D)
Main menu/Test/Function status/Impedance protection/
DirectionalImpedance(RDIR)/ZD
Displays one instance of ZDRDIR (21D) showing one measurement indicating the
status of pickup signals.
11.6.3.9
Directional impedance element for mho characteristic ZDMRDIR (21D)
Main menu/Test/Function status/Impedance Protection/
DirectionalImpedance(RDIR,21D)/ZDM
Displays instances of ZDMRDIR (21D).
11.6.3.10 Directional impedance quadrilateral, including series compensation
ZDSRDIR (21D)
Main menu/Test/Function status/Impedance Protection/
DirectionalImpedanceSC(RDIR,21D)/ZDS
Displays instances of ZDSRDIR (21D).
11.6.3.11 Additional distance protection directional function for ground faults
ZDARDIR
Main menu/Test/Function status/Impedance protection/MhoDirectionEF(RDIR)/
ZDA
Displays the output data of ZDARDIR function.
11.6.3.12 Mho Impedance supervision logic ZSMGAPC
Main menu/Test/Function status/Impedance protection/
MhoImpSupervisionLogic(GAPC)/ZSM
Displays the output data of ZSMGAPC function.
11.6.3.13 Automatic switch onto fault logic ZCVPSOF
Main menu/Test/Function status/Impedance protection/AutomaticSOTF(PSOF)/
SFV
Displays one measurement (TRIP).
Section 11 1MRK506276-UUS B
Test the IED
76
Operator's manual