Schweitzer Engineering Laboratories SEL-421-4 - Table 8.39 Phase-Distance Element Time Delay; Table 8.40 Mho Ground-Distance Element Reach

8.16
SEL-421 Relay Instruction Manual Date Code 20171021
Settings
Group Settings
Make corresponding zone n = 1–5 settings in Table 8.39 for any ZnP settings that
are made in Table 8.37 or Table 8.38 .
The number of pickup settings in Table 8.40 is dependent on Group setting
E21MG := 1–5. When E21MG := N, no settings are made for Table 8.40.
XP5 Zone 5 Reactance (ohms, secondary)
(OFF, 0.05–64  secondary) 5 A
(OFF, 0.25–320  secondary) 1 A
OFF OFF 0.01
RP5 Zone 5 Resistance (ohms, secondary)
(OFF, 0.05–150  secondary) 5 A
(OFF, 0.25–750  secondary) 1 A
50.00 250.00 0.01
TANGP
a
Phase Nonhomogenous Corr. Ang (–40 to 40 deg) –7.0 –7.0 0.1
a
Hidden and forced to default if EAVDS = N or E21XP = N.
Table 8.39 Phase-Distance Element Time Delay
Setting Prompt Default Value Increment
Z1PD Zone 1 Time Delay (OFF, 0.000–16000 cycles) 0.000 0.125
Z2PD Zone 2 Time Delay (OFF, 0.000–16000 cycles) 20.000 0.125
Z3PD Zone 3 Time Delay (OFF, 0.000–16000 cycles) 60.000 0.125
Z4PD Zone 4 Time Delay (OFF, 0.000–16000 cycles) OFF 0.125
Z5PD Zone 5 Time Delay (OFF, 0.000–16000 cycles) OFF 0.125
Table 8.40 Mho Ground-Distance Element Reach
Setting Prompt
Default Value
Increment
5 A 1 A
Z1MG Zone 1
(OFF, 0.05–64  secondary) 5 A
(OFF, 0.25–320  secondary) 1 A
6.24 31.2 0.01
Z2MG Zone 2
(OFF, 0.05–64  secondary) 5 A
(OFF, 0.25–320  secondary) 1 A
9.36 46.8 0.01
Z3MG Zone 3
(OFF, 0.05–64  secondary) 5 A
(OFF, 0.25–320  secondary) 1 A
1.87 9.35 0.01
Z4MG Zone 4
(OFF, 0.05–64  secondary) 5 A
(OFF, 0.25–320  secondary) 1 A
OFF OFF 0.01
Z5MG Zone 5
(0.05–64  secondary) 5 A
(0.25–320  secondary) 1 A
OFF OFF 0.01
Table 8.38 Quadrilateral Phase-Distance Element Reach (Sheet 2 of 2)
Setting Prompt
Default Value
Increment
5 A 1 A