Protective Elements
Parameter Description Setting range Default Menu path
dZ/dt Rate of impedance change per time
(secondary value). This setting is essential
to enable the device to distinguish between
a power swing and a system fault.
2.0 - 1000.0Ω/s 300Ω/s [Protection
Para
/<1..4>
/PSB
/General
Settings]
Mho
Pos.Imp.Reach
MHO characteristic: Positive Impedance
Reach (secondary value).
0.2 - 750.0Ω 10.0Ω [Protection
Para
/<1..4>
/PSB
/Characteristic]
Mho
Pos.Imp.Angle
MHO characteristic: Positive Impedance
Angle
60 - 90° 90° [Protection
Para
/<1..4>
/PSB
/Characteristic]
Mho
Offs.Imp.Reach
MHO characteristic: Offset Impedance Reach
(secondary value).
0.0 - 750.0Ω 10.0Ω [Protection
Para
/<1..4>
/PSB
/Characteristic]
Mho
Offs.Imp.Angle
MHO characteristic: Offset Impedance Angle 240 - 270° 270° [Protection
Para
/<1..4>
/PSB
/Characteristic]
Blinder A Blinder (left) of the impedance zone
(characteristic), defined as a value on the R-
axis (secondary value).
-375.0 - 0.0Ω -2.5Ω [Protection
Para
/<1..4>
/PSB
/Characteristic]
Blinder B Blinder (right) of the impedance zone
(characteristic), defined as a value on the R-
axis (secondary value).
0.0 - 375.0Ω 2.5Ω [Protection
Para
/<1..4>
/PSB
/Characteristic]
861 MCDGV4 DOK-HB-MCDGV4-2E