Schweitzer Engineering Laboratories SEL-311L, Instruction Manual, Page: 397 / 734

S
ETTINGS
S
HEET Page 3
OF
30
FOR THE
SEL-311L R
ELAY
(APP = 311L)
Date
R
ELAY
S
ETTINGS
(S
ERIAL
P
ORT
C
OMMAND
SET
AND
F
RONT
P
ANEL
)
Date Code 20011112
Line Parameter Settings (See
Settings Explanations
in
Section 9
)
Positive-sequence line impedance magnitude
(0.05–255.00
W
secondary {5 A nom.};
0.25–1275.00
W
secondary {1 A nom.})
Z1MAG =
Positive-sequence line impedance angle (5.00–90.00 degrees) Z1ANG =
Zero-sequence line impedance magnitude
(0.05–255.00
W
secondary {5 A nom.};
(0.25–1275.00
W
secondary {1 A nom.})
Z0MAG =
Zero-sequence line impedance angle (5.00–90.00 degrees) Z0ANG =
Line length (0.10–999.00, unitless) LL =
Distance Element Zones Enable Settings
Mho phase distance element zones (N, 1–4, 1C–4C) (see Figures 3.26–3.28) E21P =
Mho ground distance element zones (N, 1–4) (see Figures 3.29–3.31) E21MG =
Quadrilateral ground distance element zones (N, 1–4)
(see Figures 3.32–3.34) E21XG =
Instantaneous/Definite-Time Overcurrent Enable Settings
Phase element levels (N, 1–3) (see Figure 3.42) E50P =
Residual ground element levels (N, 1–4) (see Figure 3.45) E50G =
Negative-sequence element levels (N, 1–4) (see Figure 3.46) E50Q =
Time-Overcurrent Enable Settings
Phase element (Y, N) (see Figure 3.47) E51P =
Residual ground element (Y, N) (see Figure 3.48) E51G=
Negative-sequence element (Y, N) (see Figure 3.49) E51Q=
Other Enable Settings
Directional control (Y, AUTO)
(see
Directional Control Settings in Section 4 )
E32 =
Out-of-Step (Y, N) (see Figure 3.41) EOOS =
Load encroachment (Y, N) (see Figure 4.3) ELOAD =
Switch-onto-fault (Y, N) (see Figure 5.5) ESOTF =
Voltage elements (Y, N) (see Figures 3.50, 3.51, 3.52, and 3.53) EVOLT =
Synchronism check (Y, N) (see Figures 3.53 and 3.54) E25 =
Frequency Elements (N, 1–6) E81 =
Fault location (Y, N) (see Table 12.1 and Fault Location in Section 12 ) EFLOC =
Loss-of-potential (Y, Y1, N) (see Figure 4.1) ELOP =