Sel SEL-421 - Quad Ground Distance Element Reach

R.10.18
SEL-421 Relay Reference Manual Date Code 20111215
Settings
Group Settings
The number of pickup settings in Table 10.36 is dependent on Group setting
E21XG := 1
–5. When E21XG := N, no settings are made for Table 10.36.
Z4MG Zone 4
(OFF, 0.05–64  secondary) 5 A
(OFF, 0.25–320  secondary) 1 A
OFF OFF
Z5MG Zone 5
(0.05–64  secondary) 5 A
(0.25–320  secondary) 1 A
OFF OFF
Table 10.36 Quad Ground Distance Element Reach
Default Value
Label Prompt 5 A 1 A
XG1 Zone 1 Reactance
(OFF, 0.05–64  secondary) 5 A
(OFF, 0.25–320  secondary) 1 A
OFF OFF
RG1 Zone 1 Resistance
(0.05–50  secondary) 5 A
(0.25–250  secondary) 1 A
12.48 62.4
XG2 Zone 2 Reactance
(OFF, 0.05–64  secondary) 5 A
(OFF, 0.25–320  secondary) 1 A
OFF OFF
RG2 Zone 2 Resistance
(0.05–50  secondary) 5 A
(0.25–250  secondary) 1 A
18.72 93.6
XG3 Zone 3 Reactance
(OFF, 0.05–64  secondary) 5 A
(OFF, 0.25–320  secondary) 1 A
OFF OFF
RG3 Zone 3 Resistance
(0.05–50  secondary) 5 A
(0.25–250  secondary) 1 A
3.64 18.2
XG4 Zone 4 Reactance
(OFF, 0.05–64  secondary) 5 A
(OFF, 0.25–320  secondary) 1 A
OFF OFF
RG4 Zone 4 Resistance
(0.05–50  secondary) 5 A
(0.25–250  secondary) 1 A
31.2 156
XG5 Zone 5 Reactance
(OFF, 0.05–64  secondary) 5 A
(OFF, 0.25–320  secondary) 1 A
OFF OFF
RG5 Zone 5 Resistance
(0.05–50  secondary) 5 A
(0.25–250  secondary) 1 A
50 250
XGPOL
a
a
Make setting only when Group setting EADVS := Y.
Quad Ground Polarizing Quantity (I2, IG) I2 I2
TANG
a
Nonhomogeneous Correction Angle
(–40.0 to +40.0 degrees)
–3 –3
Table 10.35 Mho Ground Distance Element Reach (Sheet 2 of 2)
Default Value
Label Prompt 5 A 1 A